Seadoo 787 bogging. Jul 17, 2017 · Update: Rectifier replaced with OEM.

Kaotic; Jun 30, 2024; 2-Stroke Sea-Doo PWC Forum; Replies 23 Views 563. Did fuel lines, and filter and problem was still there. Announcement. the 2000-2002 Sea-Doo GTX 951 Millennium are 947 engines. Jun 14, 2013 · My issue is only at 5-20% throttle and hard starts (have to feather gas to get started and "clear" it out after engine is warm), it idles fine but when given gas anywhere from 5-20% it hesitates/bogs and stumbles (pops/misfires whatever you want to call it), it will stumble the whole time if I keep it somewhere in-between 5-20%, it does not die Jul 12, 2013 · Please Help. Outside of the water the engine fires up, within 2 tries, revs up and sounds good. I cleaned it out and made sure everything that had got wet has been overlooked. As long as you stay above 5k rpm it is fantastic. It was cavitating badly so I changed out the pump with a brass 96 xp pump. Machine turns over but wont start. It would start back up and idle for 3-7 secs then die again. I purchased a 2002 Bombardier recently and took it out today for the first time on the water. It did smoke like holy hell upon starting in the water but cleared out after 10 or so minutes. KennyG7 Jul 10, 2016 · Some where in the process of tuning my seadoo 717 i am missing something, Before i explain the problem let me tell you what it has had done to it. Sounds like an air leak causing a lean condition, check carb base gaskets, carb settings and inspect the rear crank seal also try replacing the rotary valve o-ring. Snickelfritz19; Monday at 8:03 AM; Replies 6 787 Oil Injection Cable Throw Length Too Short? Sea-Doo PWC. 96 XP bogging off idle 787 bogging and won’t rev over 4K rpm. #1. Now your eating away quickly at what was left of your engine. Dec 28, 2013 · Here in the US we are almost mandated to use ethanol gasoline, there are a few exceptions. Kaotic; Jun 30, 2024; 2-Stroke Sea-Doo PWC Forum; Replies 24 Jun 6, 2009 · My 94 gtx will run great on the lake for about 15 to 20 mins. Went through the carbs and lines, no clogs anywhere. Feb 9, 2021 · 787 rfi sbt motor seadoo gtx 2000 Status Not open for further replies. If your running the 787, then the little red caps that adjust spring tension should be flush with the edge of the black cap around it. Rebuild carbs New fuel lines Good day all! So i just rebuilt this 787 and dropped it in the ski full carb rebuilds with oem mikuni parts. Any help on these two problems would be May 10, 2013 · 2-Stroke Sea-Doo PWC Forum . During the idle if i pressed on the gas it would go a couple feet, bog out and die. Runs premix and has great Jun 26, 2008 · i HAVE 96 SEA DOO XP (787) AND IT IDLES FINE BUT WHEN I GO TO FULL SPEED IT BOGS. This is a 787 RFI ski. 5 GSX Limited that had the white 951. Previous owner claims it ran well, but hasn't had it in the water in a few years. Aug 10, 2014 · Hey hows everybody doing. Kaotic; Jun 30, 2024; 2-Stroke Sea-Doo PWC Forum; Replies 21 Views 459. Kaotic; Jun 30, 2024; 2-Stroke Sea-Doo PWC Forum; Replies 24 Jun 30, 2011 · Status Not open for further replies. It seems to run fine, and when it's warmed up isnt' as bad, but the smoke still seems excessive. Tuesday at 11:28 AM Jul 3, 2022 · 2-Stroke Sea-Doo PWC Forum . After some tears, I got another rotary valve, RV May 7, 2013 · Hi, I have a 2005 seadoo 3d w/ the 787rfi engine. i came back out a week later to start it and absolutely nothing happens when hitting start button. 97v After shutdown: 12. Took the ski for a ride, little boggy so I was careful with it but it ran great in short bursts. When I put in the water different story. Jul 7, 2014 · Pop off at 33. When your red wire is disconnected your charging system is disabled, so make sure you have a good battery installed so you will not get stranded. It wouldn't start because it was oil locked. 2-Stroke Sea-Doo PWC Forum. 96v Started and idle: 14. Jun 6, 2011 · Hi, and welcome to the forum. 5 Needle 1. 4v WOT: 14. Installed new plugs. If you he had stated 2000 Sea-doo RFI, you would be correct. May 8, 2015 · Another question I have is about it bogging. 6mm, I cant find the spec in the manual for the 2000, i am assuming it will be the same. IDoSeaDoo Well-Known Member. So if they are both within spec, what is giving me the high compression? Possibly not doing the test correctly? Done as follows - remove plugs-thread in tester Feb 8, 2022 · Engine ran fine but sadly the Jugs froze so I rebuilt the top end and installed new fuel injectors, cleaned raves and on the test run/ break in it runs great until you try to hold it wide open the it splutters and sometimes even back fires, replaced the rectifier first before the rebuild. Starts right up and idles nice (3000 rpm on land, 1500 in water) Aug 21, 2015 · Hi, been a long time reader of this forum, but this is the first time I've needed to ask something. As soon as the new fuse hits the connectors, POP. It's like the engine is flooding immediately. So I figured it was time to clean the carbs Jun 10, 2006 · Also on the ride it was running great for about 5 minutes then, bam it stalled and has been bogging ever since. It wouldn't Jul 17, 2019 · 2-Stroke Sea-Doo PWC Forum . I wa out in it all last year and left it in the garage all winter. ) The next day, was difficult to start, but would, then would run well, then bog down and not plane out- running about 15 mph and 5000rpm. I put the ski in the water after filling up with 100% Jun 25, 2018 · 2-Stroke Sea-Doo PWC Forum 787 bogging and won’t rev over 4K rpm. It almost seems like the motor cant push the boat onto plain? Hi, I rebuild the carbs of my 787 96 GTX with Mikuni kits included needles. I'm pretty sure it was about 32psi a side. ) It was bogging when tapping the throttle whilst on the trailer so I stripped and cleaned the carbs. I did the full maintenance on the ski, clear lines, pump oil changed, plugs, cleaned and rebuilt carbs and set to factory specs, pet cock done & Compression is 150+ in each cylinder. WaveriderX New Member. got Home from a ride one day and parked it . Once in the higher RPM, it runs like a champ, strong and fast all the way up to like 6900RPM. 5A fuse keeps blowing where the front storage compartment is. 787 xp started Do you have any of these symptoms on your carbureted 2-stroke engine? :confused: - Low revs in water with throttle all the way on - Okay revs out of water, but low revs in water - Bogging when going from idle to full throttle - Surging of revs - Intermittent or sudden cutting out of engine Jul 7, 2009 · Ok I have a 97 Seadoo gtx with a 787 and runs good up until i try and open the throttle up wide open I only get to about 40 mph then starts bogging out on Oct 15, 2023 · OSD Heavy Duty Rectifier - Sea Doo 787 RFI / 947 DI (1998-2004) [OSD4001] - $98. 5 turns out May 7, 2020 · I have a 1997 Sea Doo GTX. K. Sometimes I can go 8-10 miles without a problem but then when it starts bogging down at full or close to full throttle it keeps doing it and time to cut Sep 12, 2017 · 2-Stroke Sea-Doo PWC Forum . My buddy had same problem with his 787 and it was the rectifier. Oct 7, 2015 · 2) Bogging on acceleration (I call this lean hesitation) is caused by lack of fuel and is easily identifiable by the engine falling on it's face and suddenly quitting due to running out of fuel. Also replaced the Relay assembly and checked all fuses in the Grey Front box. But if i kinda play with it a bit to get it over 3000rpm or so it will run fine. 1995 xp limited with 787 engine bogging. No hesitation, no hard starting. Jun 28, 2015 · He purchased a used 1997 GTX from a gentleman that works on Sea Doo's for a living (factory trained). I put new plugs and a new battery and fired right up at Jun 6, 2007 · The ski starts right up and idles great but starts to bog down at 2500 to 3000 RPMs. Thread 1997 787 bogs down. Revs to the moon on the trailer, battery is new. 98 Sportster 1800 Lagging, bogging, stalling 787 bogging and won’t rev over 4K rpm. Jul 28, 2010 · I could hear alot of vibrating in the engine bay but can't figure out what the problem is. Kaotic; Jun 30, 2024; 2-Stroke Sea-Doo PWC Forum; Replies 21 Jul 10, 2014 · Should I be concerned at this point with other issues that may have contributed to the bogging problem? I have read many posts that have suggested electrical problems (bad rectifier or mpem). When I accelerate it takes off then bogs out then it will take off again the bog out. As soon as you start to give it about 1/4 throttle it starts bogging and backfiring through the carburetors. I have a gtx 1996 787 engine with dual carb. Jun 30, 2021 · Hey guys so I recently bought a 1992 seadoo xp supposed to be running. Kaotic Jan 6, 2019 · Hello everyone , New to the page and also new SeaDoo owner. Contact us Customer: Hello I am having trouble with my 1997 seadoo xp 787. The jet ski will idle fine in and out of water but when trying to give any gas it will bog down and stall. Once it's running, the bog is not as bad, it doesn't die, just kind of stumbles, but still there. The hull was in great shape, and she ran on a hose in front of me, and the P. Jun 1, 2023 · My Compression is 150 each, just cleaned raves, just rebuilt carbs with oem Mikuni kits, and pop off is set around 40 on each, new fuel lines, new fuel selector, drained tank, new plugs, and runs perfect on trailer, in water it wont run past 3k. Went over the rotary assembly again, timing was in but measured the wear with two peaces of solder wire and found the gap between the cover and the engine with the rotary valve in place is 0. Jul 7, 2014 · 2-Stroke Sea-Doo PWC Forum . the reason for the rebuild was a bog when i tried to get going and it just ran like crap lol. We took it to the local seadoo dealer and they did a complete service including cleaning the carbs, changing filters, fuel conditioner and servicing the pump. Oct 13, 2016 · Hey Guys, Ok so ill make this quick. Still the same thing. Thread starter ssmith414; Start date Sep May 29, 2016 · Sea-Doo If this is your first visit, be sure to check out the FAQ by clicking the link above. Engine runs fine Out of Water - but in water bogs down on acceloration right at 4500 RPM, stays running but doesn't respond to throttle. Bought a used 1996 GTX with a 787 engine. Carb May 4, 2024 · Got my spx 787 on the water today. Sea-Doo PWC. 98 seadoo 787 bogging down. Jun 22, 2009 · Hi, in the past I had this problem of bogging and surging then repeating and couldn't use the seadoo. My SeaDoo used to run fine until 3-4 years ago when the SeaDoo sank & the engine compartment flooded with water. In this episode of this series i install the new pistons, install the cylinders, check the ring gap, and the 1996 GTX 787 Engine surging/bogging above 5000 RPM. I've checked plugs, compression and fuel and injectors but all seem ok. Shortly after that I can start to feel some bogging. I was out riding today and rode for a few hours straight and it worked perfect. Aug 4, 2021 · Hi everyone, I have a 1996 seadoo gtx with the 787 motor. Get out of the lake an notice a hole in the exaust that was leaking water from, repair the hole with aluminium soldering. pop-off has it's greatest impact at low throttle position, pop-off is set so that the engine vacuum signal entering the idle screw port pulls the metering diaphragm into the metering lever which opens the metering needle valve to allow fuel into the fuel chamber. It's done 9 hrs, I've had it for 3 years. Fuel line is directly connected to full buttle on reserve to avoid any issue from this side. Jun 29, 2021 · 2-Stroke Sea-Doo PWC Forum . So now it revs perfect out the water but as soon as I put it in water 1996 XP 787 engine 1996 jetting specs are 142. I assume it’s an electrical issue but don’t exactly know what. 08v With lanyard attached: 12. Machine ran before started bogging then quit. Snickelfritz19; Sep 13, 2012 · Hi there guys I'm having some problems with my Seadoo 3D 787 RFI. The previous owner said he just had them rebuilt and had the wear ring replaced. KennyG7. It is hard to start when cold and then bogs and dies when you give it gas. I let off the throttle to about 3500RPM and it runs ok. 5 main and 70 pilot jets, 33psi pop off with 1. Apr 23, 2011 · I have a 3G 2004 787 cc. Now throttle response is good with no issues or any strange hesitation and starting is fine. After an hour or so, it would not jump past the bogging. When I purchased it, I test drove and the ski bogged down when putting full throttle from idle. Aug 27, 2022 · So I have 1997 gsx 787 that o changed all fuel line fuel selector and filter with a good carb rebuild kit I took it out starts up good Idels fine but once you hit the gas it won’t go past 3500 and starts to bog Down and die if you can play with the choke can get to top speed but once off the gas May 30, 2016 · HI. Jul 14, 2024. 39v After shutdown: 13. Anyone know what to check next? Thanks Aug 9, 2013 · A few ideas: Stator and regulator/rectifier issues have been known to cause RPM issues on seadoo engines, those are worth checking throughly. I was told by the guys that fixed it, it was my water intake that was clogged. I used the original spring and arm. It worked great for a while then all of a sudden the moter started to bog and now it wont go past 3500 rpm. Kaotic; Jun 30, 2024; 2-Stroke Sea-Doo PWC Forum; Replies 24 Views 596. Then it starts cutting out and bogging down. Done all the fault finding iv founf in the threads. 5 I know these are rave valve engines Jun 2, 2012 · Ran it pretty hard for about an hour with no signs of it bogging down. 97 XP bogging issue. com) Sir, I am curious if the yellow wires have any specific order when hooking up the new rectifier? Just yellow to yellow and it’ll be fine? May 15, 2021 · Seadoo never did anything like mid year, different engines. I have already pulled the tank and cleaned it. Kaotic; Jun 30, 2024; 2-Stroke Sea-Doo PWC Forum; Replies 24 Views 629. The one started to accelerate after about 10 minutes of holding it wide open. I Jan 1, 2018 · 2-Stroke Sea-Doo PWC Forum . If i try to go over 4000RPM it starts bogging again. Post a picture of your ski so we can try to understand what you think you have. 2002 787 RFI Engine Rebuild. 5 days ago · Starts and idles and can use throttle up to about 4k rpm. I rebuilt the carbs on it with genuine Jul 22, 2015 · I have a 97 GSX that recently had got about a 4th full of water. May 11, 2015 · I have no idea where to go. 05mm. I put the ski in the water and it'll run great until i go over half throttle then it'll bog down and die, it will also not restart and run properly for half an hour. Apr 1, 2008 · 2-Stroke Sea-Doo PWC Forum . Jun 29, 2021 #3 etemplet said: Hey guys new to the forum so here it goes I recently bought a used 96 xp 787 that had recently had a rebuild and after using it for a few hours it has decided to no longer run correctly Now this isn't my first attempt at finding the issue out I've been doing a lot of research. The thing just ran, and ran well! Put a huge grin on my face every time. Bought the ski Mar 28, 2013 · 2-Stroke Sea-Doo PWC Forum 787 bogging and won’t rev over 4K rpm. Kaotic; Jun 30, 2024; 2-Stroke Sea-Doo PWC Forum; Replies 24 Jul 7, 2014 · When I got this jet ski, it ran great. 1997 GTS bogging issue - Need help 787 bogging and won’t rev over 4K rpm. wHAT CAN FIX THIS? Nov 12, 2009 · 2-Stroke Sea-Doo PWC Forum 787 bogging and won’t rev over 4K rpm. Jun 6, 2017 · Ok, so I'm new to the boat world and getting a pretty good initiation. The weird part 0-3000 rpms seems to run fine, beyond that, it will bog and die if I try to accelerate. 5 Needles & Seat's. KI just looked it up and yes, you do have the 787 Rotax, so follow the above steps. Changed the plugs on it hoping it was a small issue even though at first thought it seemed Jul 4, 2019 · New to the PWC world, but pretty experienced mechanically, mostly with motorcycles and small engines. egraffius New Member. 787 bogging and won’t rev over 4K rpm. 5 HSJ's and 70 LSJ's, 80 gram black spring Mikuni Reference Number 730-03027-T and 1. Helppp. Sep 7, 2009 · I have a 1996 GTX (787 Engine). It bogs when you open the throttle, sometimes dies, sometimes (if you go slowly) it will work itself up to the higher RPM. Kaotic; Jun 30, 2024; 2-Stroke Sea-Doo PWC Forum; Replies 24 Jun 24, 2013 · Just rebuilt a carbed 787, running a 96xp water box and stock everything else on my 97SPX. ready to go . 97 XP bogging issue 787 bogging and won’t rev over 4K rpm. Contact us; Terms and rules; Apr 30, 2010 · I'm am new to jet boats, actually brand new this is my first one and it is a 1997 seadoo challeger with a 787. Please Jul 19, 2022 · Got a 1996 Seadoo XP 787 with a "locked up engine", found a fuel tank strap jammed up in the PTO so I pulled it out and verified the crank seal was still good. Join Date: May 2010. Thread starter TxAg15; Start date Apr Jun 6, 2007 · The ski starts right up and idles great but starts to bog down at 2500 to 3000 RPMs. 1996 XP 787 Bogging: carbs and rectifier checked. Contact us; Jun 30, 2024 · I removed both filters and changed the line, put in a screen in the bowl because there wasn’t one, redid the race valves again to be sure, drained all the gas and put new in, put in new spark plugs, and rebuilt the carbs with an osd kit and fixed the hole in the plug on the exhaust pipe. I can give it 1/4-1/3 throttle and it's fine the cuts down. Collapse Aug 28, 2012 · Hi Guys I am new to the forum and from South Africa I got myself a 2000 Seadoo XP Limited I bought it in April and only got everything licensed and transfered recently I took it down the dam, this being the first time that i'm riding it since i bought it The first half an hour or 1996 xp bogging on low rpm but runs fine on high rpm Hey again, i got a problem with the ski stalling if i gun it from idle. No announcement yet. Do a bit of searching and you'll find that the X4 platform has a cult following, and many of the X4 junkies (myself included) probably need professional help Sell the 95XP and get Jun 22, 2009 · 06-23-2009, 07:30 AM. Proper carburetor setup and adjustment is essential for peak performance and longer engine life. When I rebuilt the carbs with sbt part, i set the popoff to somewhere in the range from seadoo source. Recently bought a 97 Challenger 787 started and ran well when I went to test it (met him at his storage unit where we de-winterized it. 99 (osdparts. Picked up the family from the dock and helped friends load Jul 23, 2009 · My 1996 Sea Doo GTI really smokes (grey)alot when i first start it up. 4. Jun 23, 2018 · 1800 787 bogging challenger rotax Replies: 13; Forum: 1994 sea-doo gtx bogging fuel issue Replies: 20; Forum: 2-Stroke Sea-Doo PWC Forum; X. Have pulled the carbs apart and cleaned everything and pulled jets out, but now it's even worse and bogs down at all revs, and will die unless the throttle is held wide open (even then it misfires and splutters, and revs won't go past 5000rpm). Thread starter bellski; Start date May 10, 2014 Proper Tuning of Your Mikuni Carburetor. But the title is "2000 seadoo bomba millenium edition Rotax Fuel injection" which means 947 DI. Replies 6 Views 876. Ski is stock. Runs great on initial take off and will give 6800 rpm WOT. Just looking for some input I have a 1997 Seadoo GSX 787 last week it started with a little bog at 6500 rpms where it would drop down to about 5500-5700 while it was under a load. Compression is 145psi and I have replaced the rectifier but nothing has changed. 02v WOT: 13. I think the bogging issue may finally be fixed. Kaotic; Jun 30, 2024; 2-Stroke Sea-Doo PWC Forum; Replies 24 Welcome to part 2 of the Rotax 787 RFI Rebuild. Jul 6, 2020 · Over the weekend I bought a 1996 Seadoo XP with the 787. O claimed she ran great the few times they took her out. Smells really rich while running also. Am I looking at the voltagereg/rectifier? Ski is 98 gs720. jpg. Feb 9, 2021 2-Stroke Sea-Doo PWC Forum. Oct 28, 2021 · Just picked up a 1997 GTX 787 twin carb with new engine installed (has paperwork to back it up but does not specifically say what was replaced. 141. The first time out, I discovered that if I pumped the throttle, I could get it past the bogging, and it ran fine at 4000 to 5500 RPMs (I didn’t want to push the new rebuild). I get a backfire every so often that releases a puff of smoke out the airbox. I bought the boat for 1000 dollars supposely had a newly rebuilt Jul 29, 2014 · LONG TIME lurker, first post. Thread starter TxAg15 2002 787 RFI Engine Rebuild. So orginal motor was a 587 guy I bought it from put a new 787 in with new driveshaft and impeller. May 10, 2014 · I have a 1995 speedster-I have the 657x engines and I looked at my high and low speed jet settings on mine and it says low-all the way in till resistance felt then back off 1-1. settings and pop off are as follows: pop off: 31PSI on each side LS - 1 turn out HS- 0 turns out Pilot - 70 Main - 142. Mar 27, 2024 · Bogging is caused when too much fuel is delivered from the carburetor to the motor. Thread 787 bogging and won’t rev over 4K rpm. 9 KB · Views: 27 J. When I fire it up, it bogs when I rev it up from idle. I took it out once so far this year and it ran OK but was bogging occasionally and sucking a lot of air. Sometimes it run about half throttle for a little bit then bog out. The only exception was the "Gray Ghost" 1997. try on the trailer and work Jul 15, 2021 · On the bad seadoo: Before starting with new OEM battery: 12. 47mm 1996 787 carb 1. Last weekend, stopped using it when that happened but today tried to push through it. I'm pretty sure this will take care of your problem. IT TOPS OUT THEN BOGS BACK AND FORTH, IT SEEMS LIKE IT WANTS TO GO FULL SPEED AT ALL TIMES BUT IT BOGS ONLY AT FULL THROTTLE. i have put new spark plugs in checked my carbs again, none Sea-Doo Boats. Any Ideas where to start? Also this has been a problem for quite some time, when I am hulling ass across the water and then let off the throttle, the seadoo starts bogging and then after a while regains the speed. I did alot of work to it listed below, but this is the problems I had after all my work and finally got it out to a lake. I can run the ski for about 15 minutes and it runs just fine. And have come Sea Doo 2 Stroke Performance; Above Forum Ads. 45mm to 0. All of a sudden it was bogging and stalled, the engine would turn over but nothing, now it doesn’t beep and won’t even turn over. Thread starter chitownman; Start date May 10, 2013; Status Not open for further Apr 21, 2021 · Thanks for the help, thought the same on the carbs just didn't want to get rebuild kits if the compression is still low. Long story short is that the shop I used to take it to - “Fixed” a slow leak by replacing the water regulator valve (and charging me several hundred dollars in the process). Low needles are turned out 1 and highs out 1/4 but only on the PTO as suggested. Friday at 8:40 PM May 30, 2022 · I have a question about RAVE valve hose routing on a 2001 GTX. One even mentioned an additional fuel filter inside the sending unit housing that is not shown on the parts manual. Is there an adjustment for the oil mixture? Thanks, Walt Waterford, MI Dec 24, 2011 · Disconnect the red wire. Just to tell you before I bought it sat in a garage on trailer for at least 1 year. Aug 9, 2024. 98 XP Limited Bogging 787 bogging and won’t rev over 4K rpm. Got 142. You may have to register before you can post: click the register link above to proceed. It’s safe to say that the most common cause of jet ski bogging issues is carburetor problems. let off throttle, try again, same thing, runs strong for 3 - 6 seconds, then bogs down. (The last one had a leaky inner crank seal last summer, allowing a lot of oil into the cylinder head. Jun 7, 2018 · Long time lurker, first time poster. Check the O-ring in the top of the filter/separator and replace the fuel selector. 65v With lanyard attached: 12. So i started going down the lists I've seen on these forums. 787 bogging from idle, do I need higher jets?? 787 bogging from idle, do I need higher jets?? Thread starter IDoSeaDoo; Start date Aug 10, 2013 · Holding the choke on adds fuel, so it sounds like you're describing a lean condition at low throttle positions. If I pull spark plugs smoke pours out as well. We took at the ski last Sunday and it ran great for a few hours then Nov 2, 2007 · bogging is normally a lack of fuel and creates a lean mixture, however it can be a rich mix as well, the difference is the tone of the bog, and how well the engine idles out after the bogging occurs. That is a 787. When this happens, less air gets pushed through, and the engine struggles to come to full power. Has ran great for two seasons. Okay so i have a 21 seadoo rxp 300 with 102 hours. 15v This video demonstrates how to water test and tune a #seadoo #seadoolife #twostrokelover Skis in video: 1997 Seadoo GSX (787cc)1997. Aug 19, 2015 · Ski ran fine then started gradually bogging worse and worse. Boat would bog down by Jun 26, 2015 · I have a 95 seadoo xp that started bogging out on me when i first bought it 3 months ago. I changed the gas, cleaned tank filter and topped off the oil. Jun 30, 2011 #1 Jul 31, 2011 · Just bought a 2004 challenger and had it on the water twice. Bogging/won't rev up much past 3500 RPM, on land or in water no real change. Collapse. Kaotic; Jun 30, 2024 Views 591. the first thing to check is the plugs after bogging occurs, dry versus' wet plugs will lead you in the direction of problem. The problem I am having is on a 1996 Seadoo GSX. It has 230 hours on it, and I've always kept maintenance up on it - I have the shop manuals and follow a lot of the suggestions from this board. I FINALLY got it going and raced back to the dock. Started again today and it was running and revving fine for a bit then started to bog again. GTX RFI Still Bogging 787 bogging and won’t rev over 4K rpm. Both times after a couple hours of tubing (3 kids on tube) the engine started to bog down and wouldn't go over 5000 RPM's. Usually I would think it would need to have Jun 30, 2020 · I am repairing brother in laws ski 1995 gtx twin 657 x engine Was sitting for awhile like 2 years we got it out to get it going runs great on hose but took to lake and bogs down under any kind of load. Woo Hoo!! 5 years of frustration - but at least I now have new fuel lines, clean carbs & filters, new battery, leak free exhaust, clean rave valves, new plugs, new thrust ring, and most importantly - a working Seadoo. Seems like a fuel problem, but if it sits for 20 mins then runs fine again for another 15 or 20 mins. Aug 28, 2008 · I was wondering if anyone might be able to give me some advice why my seadoo (92XP580) is acting up. Dec 22, 2010 · It bogs down and tries to die, and starts surging etc (as if not getting enough fuel). 47mm and the manual states it must be 0. Aug 8, 2022. I have replaced all of the grey fuel Compression in both cylinders is 145psi, I have fuel spraying and sparks igniting. I picked it up and it will idle, but it will not take throttle. 49mm and 1. O. It may feel like you are plowing water, or like the jet ski is failing to get enough speed to come up above water’s surface. It was a man in his 50s and his son Nov 14, 2012 · 2000 787 RFI was; 1. It seems like its cavitating but wont rev past 3k Aug 12, 2008 · 2-Stroke Sea-Doo PWC Forum . After they repaired it I Apr 22, 2020 · 2-Stroke Sea-Doo PWC Forum . After an 2 hours ride the engine stop. Jun 30, 2024 · 2-Stroke Sea-Doo PWC Forum DESS issue 96 GTX 787. At this point the guy has now installed a completely different engine, tried two sets of carbs, replaced ignition system brain, replaced the water box and the same problem still persists. Jun 28, 2020 · Hello guys, thanks in advance for your time and help. I have a 97 XP. The first time you come down in RPM Jul 2, 2017 · Just bought this 97 Challenger 1800 and put it on the water for the first time last night. Carb or Fuel Pump Issues. Twin 787 bogging down top end Twin 787 bogging down top end. Kaotic; Jun 30, 2024; 2-Stroke Sea-Doo PWC Forum; Replies 23 i have a 96 xp 787 and just rebuilt the carbs. Sep 20, 2007 · Check the rubber diaphragm for leaks and/or tears and holes. Nov 28, 2014 · Re: 787 bogs at WOT won't go past 4000 RPM WTF!!!! You've done a lot of good work but replacing the grey lines and clean/rebuilding the carbs should have been first. 4 mm Spec for the 96 is 1. I also cleaned the Dec 24, 2011 · Sea-Doo Jetski. I took it out today and it seems to be bogging down at full throttle. I bought it used and was sitting for 2 years before. 30+-0. My 2002 GTX DI was running awesome until about a month ago. Jun 13, 2009 · 787 bogging and won’t rev over 4K rpm. seadoo98 Discussion Starter · Dec 24 Jul 2, 2022 · Hey guys, I have a 97 seadoo gsx 787. The last couple rides i noticed a bad bog like it was dropping cylinders or that sound when theres alot of water in the fuel or not getting propper fuel. To be clear, it's a different platform, but from a distance, the two look similar. Bobman13. 3495 Views 1 Reply 2 Participants Last post by 98yota, Dec 30, 2011. 1996-1997 GSX are the same except the MPEM White/Blue and White/Red hulls both with 787 engine. Dropped it in the water and took it a few hundred yards up and down the river to make sure everything was going to run okay. Thread starter WaveriderX; Start date Jul 3, 2016; Status Not open for further replies. Saturday at 11:04 AM Sep 5, 2010 · Hello I have a 1996 Xp with the 787 Dual carb RAVE engine. sat for about 2 weeks after every ride this summer. Pulling the choke very briefly at just the right instant, or "nursing" the throttle can often overcome this symptom but it's not a solution of course Jan 7, 2024 · He says very specifically Millennium Edition. Unlike their modern counterparts, most 2-stroke jet skis utilize carburetors, which can go wrong in many ways. 5 seat. I got it out 3 days ago and it was fine. motor taken apart new bottom end , piston rings as the pistons looked great , new mag plate . Could popoff actually cause this bog off idle? My 1995 Seadoo Bombadier starts fine runs at 3/4 throttle well and then boogs down on full throttle and then spits out to full and then boogs down again and again, I put in Sea Foam and ran for 30 mins with same results Aug 22, 2017 · If you do a quick search, you'll see there is a TSB for 1997s with the 787 engine (including your GTX) for replacing the RAVE housings and valves due to prolonged bogging at 5k rpm. Then, the needle bearings at the wrist pin let go and killed the piston, rotary valve and brass gear. 5v Started and running at idle: 14. The thought of physically removing the carbs to do the popoff gain is sickening. The first thing we need to check is the compression, disconnect both spark plugs and ground the boots, check the compression with the throttle open. One quick way is to remove the regulator from the charging circuit to see if the RPM limitation disappears, but most R/R's are built into the MPEM on the 951's, so you'll find it necessary to invoke some degree of ingenuity. Both engines again start first time without any issues but when I get to Mar 26, 2012 · Re: Need help with Seadoo 96 gti bogging down Start with the simple stuff: - check the fuel system for leaks, make sure all connections are air-tight - remove any old gas/ replace with fresh - clean the fuel filter (should be a plastic screen inside the housing) - clean the fuel filter AGAIN - make sure the throttle cable is secured Dec 28, 2011 · Then, gave it some throttle and it just bogs and dies. No modifications have been made to the ski. One started acting up a couple of weeks ago and now the other. Then I stopped at a marina and filled up and rode for a little bit then it’s started bogging really bad to the point I could even come close to plain. When you give it full throttle, however, it will bog right down and make a low distorted rumble. Mar 24, 2014 · 2-Stroke Sea-Doo PWC Forum 787 bogging and won’t rev over 4K rpm. Twin 787 Rotax's. Aug 22, 2020 · Aug 22, 2020. And there is no 95 GSX hull. Aug 10, 2011 · I own 2 3d's. Background: Ski has zero low speed performance when hot. New Plugs Cut 5mm of the HT Leads Hi, I am new to this forum. Jan 22, 2017 · Ive had jetskis for many years but I just bought a seadoo 3d rfi knowing it had problems. Everything points to lean condition / fuel delivery problem. 1997 787 bogs down. When you hammer it to go faster it hits about 6k rpm and immediately falls on it face. Jul 31, 2008 · 2-Stroke Sea-Doo PWC Forum 787 bogging and won’t rev over 4K rpm. No exhaust leaks. But ive fixed a lot that was wrong already. Kaotic; Jun 30, 2024; 2-Stroke Sea-Doo PWC Forum; Replies 22 Views 522. Re: 96 Seadoo xp 787 engine boggs down in the water. Kaotic; Jun 30, 2024; 2 Apr 13, 2013 · Hi, having problems with my recently rebuilt engine, starts good and idles fine, found at low rpms ski jumps and skips a lot takes a lot to get to 4200rpm half throttle, any more throttle ski just bogs down, I have checked spark plugs, cleaned fuel lines, air lines, cleaned fuel and oil tanks Nov 27, 2012 · just after a bit of help with my seadoo gtx rfi 2002, basically when i have it out of the water on the trailer and run with the hose connected the ski starts and idles fine everytime , revs out to about 6900 rpm and sounds healthy, once i put it in the water sometimes it starts and reaches about 2500rpm and dies down with throttle pressed in May 12, 2015 · 2-Stroke Sea-Doo PWC Forum . I have a Seadoo Speedster 1998 with 787 two stroke SBT engines which start up first time from cold and run great and continue to perform well until I shut down the engines for about 5 minutes and then restart. 2000 XP bogs / surges at high rpm 787 bogging and won’t rev over 4K rpm. Jul 3, 2016 #1 May 28, 2013 · Sea-Doo Boats. ( I started this in another thread but I wont drag it up again. 2 mph in water. May 15, 2017 · 2-Stroke Sea-Doo PWC Forum . 5 Seadoo GSXL (951cc) - Jul 9, 2024 · 96 seadoo GTX bogging. It runs great out of water but bogs down once it hits 5000 rpm in the water. 787 RFI Starter Removal 787 RFI Installed in GTI2. 85v On the good seadoo: Before starting with aftermarket battery: 13. I just bought the ski. but now it backfires through the carb thats closest to the flywheel? it did not backfire before. . Apr 29, 2013 · It started right up but idled very, very rough. After about a minute of this, the same thing happens at 3500RPM. when i first got it it would not rev above idle out the water, after a bit of fiddling around I noticed aps and tps wiring was crossed. 2mm - 1. Frustrated, Put new gas in both skis and checked the fuel filters inside the tank. Here is the issue: The ski will start right up with no problem and it will idle without incident. I would also like to say i have learned alot from this site. 2-Stroke Sea-Doo PWC Forum May 9, 2020 · First question: The return line fitting as indicated in the photo below (not the exact carbs) is MUCH larger in diameter than the return line on the original design 787 1/4 inch fitting. 38 mm and 1. If I let the ski idle for Jul 3, 2016 · 1996 seadoo gtx 787 bogging down. Mid throttle seadoo kept bogging out and 5 min in to riding, it died in the middle of the lake. Jet ski Bogging. What the heck can this be? This is driving me crazy and I want it fixed. Apr 30, 2014 · a 787 motor in the later revision of the 95 XP hull you have is the X4 platform. In April of 2019 I traded one of my motorcycles for a 1997 Seadoo XP 787. I bought a sea doo a couple of months ago and have had some problems. Ethanol breaks down the glue in the grey tempo fuel lines and causes a green goo to be distributed throughout the fuel system causing a lean condition which will literally burn up an engine. Exhaust was falling off and cooling lines were ran to wrong locations. com. I have a 2005 3d with a new 787 rfi engine. To better explain my problem let me begin from the start. 97 Seadoo 787 xp, bogging down. Your problem is not uncommon, since running on the trailer is essentially running the ski without a load. Share: LinkedIn. I have 1997 seadoo xp that will start and run great on the trailer. I can sometimes feather the throttle and get it to jump past the bog to 4000 rpms and it will then take off like a rocket, and runs strong up to 6700 WOT. zachu812. Kaotic; Replies 24 Views 629. Thread 1995 xp limited with 787 engine bogging. 03-25-2007, 10:44 PM. S. 2-Stroke SeaDoo Sport Boat Forum . Yes, if disconnecting the red wire makes your ski run correctly, your's is bad and you need a new 1. I dropped the ski in the lake today, took 3 tries to fire up, yes I started it before I put it in. Mine has this problem (a '97 GTX as well) but I haven't received my replacement valves yet. The only good way to adjust the carbs is to take the craft to the water, but before you do that though, you need to know the basics of a Mikuni carb and what makes them tick. Jul 17, 2017 · Update: Rectifier replaced with OEM. The most pressing issue is it bogs down. Finally got there after going over lots of other stuff, but in the end it was a random disconnection glitch from the lanyard/DESS post/key that would reset the computer. Friday at 8:40 PM. replaced starter solenoid and fuse. Ran just fine, started right up, and would beep when the key was inserted. I can post a video if it will help find issue. JoeRJGR Member. The machine wold run fine but not rev past 5,000 RPM. For the life of me, I could not get 1/4 line over the return fuel fitting. Then my local dealer fixed it after a repeated attempts to repair by another dealer. It boggs at around 4000rpm and runs at a speed of maybe 20mph tops. Contact Jul 12, 2015 · I had an intermittent stalling / engine cut out on my Seadoo challenger that took a year to diagnose and fix. E. We set the idle (by twisting the butterfly nun on the top of the carbs) to about 2800 in the water and it putt putted around for a bit, but any attempt to accelerate and it bogs and immediately dies. Thread starter Ardilla; Start date Jun 96 seadoo GTX bogging. motor was checked for air leak and tested good. clra phcjlgn ywoyf wwvvonh ykxs iphizos urpra aewb ajho usagjsd