Seadoo Bogs At Full Throttle

The engine runs poorly at wide open throttle and backfires when backing off throttle. It was running fine, but the bellow on the pressure regulator valve was split so I replaced it. Proper Tuning of Your Mikuni Carburetor. Forgot to check rpm sorry. So i took the slide out of the carb to adjust the needle and noticed they had rigged the throttle stop by grinding it down (to allow full throttle, it comes detuned for some reason. i already changed the fuel filter. I continued to raise throttle all the way up to. The problem is that it won't run right unless the choke is on full and then only for a while until it get's warm and then it will start bogging very badly. They should have left it stock or spent $60. some of the time it has great power and performance. 1999 Sea Doo GTI - Power loss after seconds at full throttle My 1999 GTI was recently serviced to address some power issues and after getting 'er back out on the lake, 1 to 2 hours into using it, I noticed some significant power / fuel flow issues. No leaks, but engine bogs at half to full throttle, almost like it's running out of gas. my 1995 seadoo gtx bogs down at full throttle, and wont go more than 12 mphI've checked the fuel filter, checked the lines for clogging, check the diaphraphm in the fuel pump for blockage, new gas, propeller is in good shape any suggestions?. We usually refer to an exhaust backfire as a "backfire", and backfiring through the carb as "spitting" or "coughing". By the time I got back couple to dock after couple of miles, top speed was 20mph. What are your thoughts? Fuel pump? Jets? Thanks!. When it comes on, it's telling you something is amiss. But these boats also do not bog down. This is an additional reason that we tend to give limited credibility to "non-standardized" partial throttle flow bench signal testing that indicates "no dips in signal strength". 3/4 throttle has higher rpm and goes faster and sounds normal compared to full throttle. The engine starts fine. Facebook gives people the power to share and makes the. Mark as New; Sea-Doo Sport Boats Sea-Doo. It's official less than a week to go for the Northwest off road rage at the mountain top mud bogs. I have an emergency situation and would appreciate any and all input!We took our '98 Speedster to the lake for the weekend and had a blast. We have an 07 OL 800 XT ( that was purchased elsewhere ) come in for some work. I don't know what to do. he tested:-the stator. Click HERE for FREE Sea-Doo part numbers and exploded views. Full peak performance (item 6) is still available. We help you save hundreds and sometimes thousands of dollars on outboard motors, powerheads, lower units, outdrives, gear cases and more! Warranties available!. The main jet affects from 1/2 to full throttle. This is the first run in the water to check for leaks. starts fine. If it is bogging down at 3/4 to full throttle but is running fine up to that. Before I used the boat last week the cranking battery was dead. 5 and then 45. Serial # 5217853. When I put it in the water it starts only at full throttle then. I've used the search bar but have come to the conclusion that my problem is fairly unique. The symptoms are not consistant. Hey i have a rochester 2 barrel marine carb and the issue im having is we cant keep it running with out holding the choke butterly in a certain position. We usually refer to an exhaust backfire as a "backfire", and backfiring through the carb as "spitting" or "coughing". The idle switch is connected to the ECU, and the full throttle switch to the A/T computer. It doesn't take on water any more, but now it does this. Model# E225HSLSCF. Some history, the quad sat for the last ten years and we had to clean the carb thoroughly. In good shape but a few dock rashes on the hull and a rip in the seat Runs good but needs carb work (bogs out when you go half throttle. We have an 07 OL 800 XT ( that was purchased elsewhere ) come in for some work. Happens occationally. Hi i have a 1995 Seadoo GTX 3 seater 2 cycle rotaxRuns and drives starts right up but if i full throttle it bogs out and will stall if i dont let off the gas. We offer a wide variety of services from pre-purchase inspections and regular scheduled maintenance tune-ups to complete system and engine overhauls. The stock main jet is 150 and the stock slow or pilot is a 40. If it stalls it will always start back upUsally runs this way for about 40 minutes or so then will stall at anthing above low cruising speed. I had just cleaned the Exhaust valves, as when I took it for a spin around the lawn, the sled seemed boggy when you got heavy on the throttle (3/4 to full). ) have all been media. Start it back up, and running at around 4 to 5,000 rpm, and it just dies. If I run it without the choke on it is Very boggy and when the throttle is suddenly depressed it will bog down for a good 1-3 seconds before the motor rev's up. Open to any suggestions. Problem CONDITION POSSIBLE CAUSE CORRECTION 3) Ford& Holley Only. I have a Seadoo GTR ski that leaps outta the water. Generally, the telltale sign is good initial throttle response, but shortly thereafter the engine bogs down or flat lines and as the RPM climbs it recovers accelerating normally. Of course the previous year I had all the text book bogging problems of the gray. It also backfires badly. At 25-35 mph, the “spray line” coming off the bottom of the hull started at roughly the middle of the hood length. The engine runs poorly at wide open throttle and backfires when backing off throttle. An Evinrude outboard motor that keeps overheating can be fixed with relative ease. When it first appeared I took it to the local Yamaha dealer who was unable to get the alarm to reappear on the bench, and stated no codes were found, please pay me hundreds of dollars. I can’t go past around 70 on the speedo. Proper carburetor setup and adjustment is essential for peak performance and longer engine life. 12 Reasons a 2 Stroke Cycle Engine Loses Power/Won't Start/Cuts Out/Bog Down/Fix your Own/Save Money - Duration: 1:04:41. I've been having problems out of my 1995 Mercury outboard [accelerating under load]. An Evinrude outboard motor that keeps overheating can be fixed with relative ease. Lost power when turning. Lets use an example: A slip on pipe and an aftermarket filter are put on. tried another carb & still the same. You should observe a healthy squirt of fuel from the pump jet. What happens is at higher speeds, when the engine is at or near full throttle, the water pressure actually forces some water into the combustion chamber. Aftermarket Seadoo Starter Vs O. Find Seadoo Hull in Boats & Watercraft | Boats for sale! Find a local canoe, kayak, motorboat, seadoo, or other watercraft in Toronto (GTA) on Kijiji, Canada's #1 Local Classifieds. Things were looking up: I replaced the spark plug, cleaned out the exhaust, adjusted the idle / fuel screws, and even replaced the brakes (I can stop now!). It is a good idea to occasionally adjust a Mikuni carburetor to ensure optimal engine performance and to make sure that your bike is not putting unnecessary strain on the engine. This should be checked prior to any adjustment of the. Please EMAIL us with:-your full name-your full complete shipping address with phone # -the year make & model of your sled and mods list to date if any. Model# E225HSLSCF. We have an 07 OL 800 XT ( that was purchased elsewhere ) come in for some work. Team Offroad Explosions, Full Throttle Racing and Team LaFontaine Racing also had podiums with Can-Am ATVs. Bear in mind that when out of the water, and under no load, motors can sometimes rev out freely, even with impediments. I have a 2003 Seadoo GTI LE-RFI. The stock main jet is 150 and the stock slow or pilot is a 40. No more problems. When I released the throttle, the engine was still at full throttle. I even added an inline filter to the inlet side. My jet ski runs but only at half power and bogs when throttle is applied. my 1995 seadoo gtx bogs down at full throttle, and wont go more than 12 mphI've checked the fuel filter, checked the lines for clogging, check the diaphraphm in the fuel pump for blockage, new gas, propeller is in good shape any suggestions?. All the gas lines have already been changed from the gray lines they used. In good shape but a few dock rashes on the hull and a rip in the seat Runs good but needs carb work (bogs out when you go half throttle. Accelerate through the gears until the throttle is at full throttle (a slight uphill is the best place for this). I have a seadoo also. Basically it would start and idle just fine, and even sounded good at half throttle but when I would push to mill it would die, and if I tried to go to full throttle it would die. 1986 Larson Boats for sale. Hello I recently traded for a 2001 Chrysler Sebring 3. At 25-35 mph, the “spray line” coming off the bottom of the hull started at roughly the middle of the hood length. net - there is lots of good. Currently in the water and can be tested. The pulley on each board came loose on the shaft because the two throttle return springs were way too strong. Have a full tank of gas, leftover from last Fall and winterization. i have a skatt swirl prop on it 14. With the bike fully warmed up, find a long straight, and install a fresh plug. However our full throttle on-water flow meter tests have always mirrored the results of "standardized" full throttle flow bench signal testing. Observe the pump jet in the carburetor, and with your hand, work the carburetor throttle to the wide-open position. I have replaced the entire carb, checked the fuel lines, checked the airbox, the tube from the engine to the fuel vacuum. A way to help load the pump more for everyone is a Lucky 13 pump cone. , When it get warm, it will bog down at 3/4 to full throttle. Hey everyone, Just launched my 01 GTX, has the 951 in it, and ran it around a bit. That makes it three for three of the owners I know with that problem. 5mm Super Conductor Spark Plug Wire Sets 32039 and get Free Shipping on Orders Over $99 at Summit Racing! MSD 8. As of this writing, the XPL is still considered a "recently released" model. The ski starts right up and idles great but starts to bog down at 2500 to 3000 rpms. A 96 Seadoo XP that I purchased. Generally, the telltale sign is good initial throttle response, but shortly thereafter the engine bogs down or flat lines and as the RPM climbs it recovers accelerating normally. Black smoke emitted from a lawn mower engine is typically an indication that the gasoline to air ratio is too rich. I used the power up to clean the combustion chambers per directions. This was like a 1-2 second at WOT. They checked everything, but weren't sure what it was. also, side issue, if i go from dead idle to full, it bogs, but if i go from a fast idle to full works fine. I don't know what to do. Carb cleaner is great when you disassemble the carbs, cleaning all the mechanical parts, but it sounds like your issue is with the gaskets, diaphrams, and seals inside the carbs. My problem is that the ski runs fine at idle and full throttle. This drove me mad for a year and I have read about other people. But it is handy to know as a last resort if you're stuck out on the water. MISFIRE and TROUBLESHOOTING the ENGINE - CF-106. 1986 Larson Boats for sale. It does this weird bogging down thing where it gets to 15 mph and then if you push the throttle more than 3/4ths down it loses all power and goes to an idle. Comfort & Convenience All-day comfort comes standard with the seat slider design and 25% thicker cut-and-sew contoured seats. I have a '96 Seadoo GTI bombardier that has been in my family since about 2000 and has probably been ran about 5 times since 2006. 1998 SeaDoo GSX with title runs good recently rebuilt. He bought it stock, put on some miles and then. What causes a 1993 seadoo engine to bog down then take off, then bog down? run full throttle and then bog down, then - Sea-Doo US Seadoo Sea doo pump off 1993 question. net - there is lots of good. Holley® has been the undisputed leader in fuel systems for over 100 years. Sea-Doo Supercharger Rebuild Interval The real story behind Sea-Doo Supercharger and how many hours between rebuild. If it hesitates, it's lean; if it's loaded up, it's rich. [My Mercury 50-HP FOURSTROKE outboard engine] starts and runs fine to half-throttle. I have a 2003 Seadoo GTI LE-RFI. Spark comes from the ignition system. The problem is that it won't run right unless the choke is on full and then only for a while until it get's warm and then it will start bogging very badly. Join Facebook to connect with Ryan Carter and others you may know. Bogging when going from idle to full throttle. I took out the engine took the head off and put a new head gaskets on and top water jacket gasket on. Seadoo that when I take off there is oil smoke coming out from behind it. The help is unsurpassed. is this a good time to do a rebuild as well? Sea doo jet ski won't get full. - Ski rev's when out of the water but will not in the water. Aftermarket Seadoo Starter Vs O. MPH point then it starts to surge and bog it will go full throttle then back down. But works fine at idle/slower speeds and at full throttle). 2004 GTI RFI LE challenge diagnosis. As soon as the choke fully opens it dies even if we have the throttle at say 2 thousand rpm any insite on this. Proper Tuning of Your Mikuni Carburetor. Open to any suggestions. Here is the solution to the problem of my Waverunner losing power and not being able to go above 35 mph. That bog or flat spot is where the pump shot duration ran out and the booster venturi fuel flow alone is not enough to keep the engine running efficiently. I will say that the bogging sounds different somehow from what it sounds like if it is flooding. Do you have the mixture screw set to the recommended number of turns? Have you read the "Carb Guide" that is found in the "Tech" section? There is a ton of good info in the "Tech" section to read over. if you feather the throttle, it'll still run but bog right back at 3/4 to full throttle. The backfiring can be fixed by going to a larger slow or pilot jet, in this example the next size up is 42. 2-stroke bogging under WOT under full load. I went and put a new fuel filter on and since the tank was about 1/2 full, I went and filled it up with brand new 87 octane and one whole bottle of Mercury fuel treatment. We have changed the gas, plugs, and - Answered by a verified Marine Mechanic. How to Adjust High & Low Jets on a Jet Ski Carburetor by Chris Stevenson Most personal watercraft, such as Jet Skis or Sea-Doos, have carburetors that meter and atomize the fuel for combustion. If I keep the throttle backed off a little from full it will run fine but I would like to get as much speed as I can out of her. - sport and adventure touring equipment - north american importer and distributor for sw-motech, mra windscreens, bags-connection electric tankbags, barkbust. One of the best “general” information articles about current two stroke oils is at the link below. It will need a battery. The quad fires up right away. One of the more frequent problems with modern vehicles is a bad throttle position sensor (TPS). S, there is all kinds of discussion on whats better or whats prefered such as twist on the bike beacuse of leaning in turns, atv' bouncing on rough terrain and bla bla bla, ok so these agencies have a point on a few. That means the 125 is making about 250% more horsepower per cubic centimeter than the vintage 400 engine. I was told by a small enging guy that I need a ignition timing sensor. How to Properly Flush a 2 Stroke Jet Ski/Sea Doo/Waverunner/Personal Water Craft. I have the exact same problem as you described. put ski on lift and nothing around impeller. But you also need compression and the correct spark timing. EMM date code 07B1H. Hi i have a 1995 Seadoo GTX 3 seater 2 cycle rotaxRuns and drives starts right up but if i full throttle it bogs out and will stall if i dont let off the gas. S, there is all kinds of discussion on whats better or whats prefered such as twist on the bike beacuse of leaning in turns, atv' bouncing on rough terrain and bla bla bla, ok so these agencies have a point on a few. help 85 big red 250es bogs 1995 Seadoo GTX 1998 Polaris Indy Lite 340(Nearly new looking) rev rev full throttle, let cum down to idle speed full throttle. Rough idle, bad hesitation on acceleration, perfect idle with TPS disconnected (1994 Toyota Previa) Very rough idle with a repetitive cycle that is smooth for a couple of seconds then misses badly, occasionally stalling. The ski appears to run fine, normal power, sound, etc…. Fuel and air comes from the fuel system and carburetors. You may have to register before you can post: click the register link above to proceed. It's official less than a week to go for the Northwest off road rage at the mountain top mud bogs. 2014 Sea-Doo GTI 130 Key Features: A large Swim Platform with full traction matting makes hanging out in the sun or hopping in and out of the water a breeze. Now it will run fine until I get over 3/4 throttle, maybe even a little closer to full throttle, then it will bog down, power drops off. They should have left it stock or spent $60. Facebook gives people the power to share and makes the. This was like a 1-2 second at WOT Rear cylinder only - 6500rpm and pretty smooth. 3 Engine Bog at Full Throttle If this is your first visit, be sure to check out the FAQ by clicking the link above. After a month I'm finally in the water. Hello, I have a 2002 Mercury 4 HP Outboard. I did a couple more passes and started to notice that it would bog a little at full throttle and I would have to throttle about 75% just to get going. 1998 SeaDoo GSX with title runs good recently rebuilt. Sled running like a pooch? Understanding how a clutch works is the first step in unleashing your sled’s hidden power. I am having a problem with a 1996 Sea Doo XP. No my issue is that at full throttle I'm only getting 3000 RPMs in gear and won't come up on a plane. - No response when applying throttle. if i gave it WOT it would fall flat on its face until i back off the throttle. The butterfly and throat of the bore (plate) becomes contaminated with impurities and must be cleaned much like the mass air flow sensor. it cranks fine, idles normal, and will run normal up to 1/4. These lines will be used to quickly find the exact throttle opening while jetting. I took the waverunner into Yamaha. 2014 Sea-Doo GTI 130 Key Features: A large Swim Platform with full traction matting makes hanging out in the sun or hopping in and out of the water a breeze. Yesterday evening was running near full throttle at 52mph when rpm drop and speed drops to upper 30's. After a month I'm finally in the water. I was out on the lake the other day running fine and all of the sudden my ski completely stopped and only would idle know matter how much throttle I gave it, all it would do is go about 7MPH max. Has 486 hrs on it. First off the original Sea-doo starter was designed for the engine and model it was put into. It will need a battery. I have used the preset maps of 9,8 & 7 and even Zero for complete stock motors. Started the engine. My jet ski runs but only at half power and bogs when throttle is applied. Adjusted the idle mixture screws. It starts and runs good, but sometimes it bogs if you full throttle it. So i took the slide out of the carb to adjust the needle and noticed they had rigged the throttle stop by grinding it down (to allow full throttle, it comes detuned for some reason. If I have under 1/4 throttle it's fine. I have a 1996 sea doo xp model jetski, i have rebuilt the carbs and replaced all the fuel lines. How to Fix a random stalling Seadoo jet boat or jet ski How to fix a very annoying intermittent random stalling problem on a Seadoo. It is a good idea to occasionally adjust a Mikuni carburetor to ensure optimal engine performance and to make sure that your bike is not putting unnecessary strain on the engine. Sea-Doo; 97' Seadoo GTX Bogging. I just recently got it back from the shop and the engine now runs perfectly. I have one also. until you let the revs drop too low, in which case it always bogs, goes into a four-stroking idle mode, and nothing you do with the throttle has _any_ effect at all on the idle speed-- full throttle or no throttle, it continues chugging along at about 1000 RPM. At 25-35 mph, the “spray line” coming off the bottom of the hull started at roughly the middle of the hood length. Unfortunately the module just sounds the same alarm no matter what part of the oil system is signalling. My yamaha waverunner will not go it will idle but when you hit the throttle it bogs down and does not go? Yamaha Neos 50cc Bogs down at full throttle?. Holley carburetors powered every Monster Energy NASCAR® Cup team and nearly every NHRA® Pro–Stock champion for four decades. put ski on lift and nothing around impeller. Sea-Doo Personal Watercraft Manuals. Re: 2002 SeaDoo GTI LE bogging down Yeah, you're not taking a chance on anything other than wasting your money. I thought it was an idle mixture adjustment. Re: motor bogs down at full throttle I have a 1984 Yamaha 50hp, 3 cyl, oil injected, outboard motor, low hours, and is in fairly new condition. That graphic (96 Gsx Bogging At 3/4 To Full Throttle - Seadoo Forums) previously mentioned is actually labelled using: 1989 seadoo parts catalog, 1994 seadoo parts catalog, 1995 seadoo parts catalog,. 2014 Spark Bogging/Not Accelerating Well Only During First 3 Min Of Operation First of all I had my 2014 Spark 3Up/IBR for almost 2 yrs. Loss of power at 1/2 to full throttle. Very little dock rash on either ski. Tom--I did not realize your Mercury oil injection system alarm electronic module had failed. M Why aftermarket starters maybe a bad choice. Start it back up, and running at around 4 to 5,000 rpm, and it just dies. The auto winterization feature fogs the engines itself in minutes, with no trip to the dealer. Bogging when going from idle to full throttle. This was like a 1-2 second at WOT. Its the best site with really good,and also total knowledge of all things Seadoo. The issue I’m having is that when I go past around 3/4 throttle it has like a bog type thing. A Personal Watercraft, (PWC), can provide you with years of great riding and hundreds of hours of fun, as long as you maintain it properly each and every. That bog or flat spot is where the pump shot duration ran out and the booster venturi fuel flow alone is not enough to keep the engine running efficiently. Please help me understand this. In good shape but a few dock rashes on the hull and a rip in the seat Runs good but needs carb work (bogs out when you go half throttle. I replaced the spark plugs. You should observe a healthy squirt of fuel from the pump jet. If you feel that the fuel pump has failed, then this is the proper way of diagnosing the problem before replacing an item that may not be needed. Please Note: Other than exact replacement OEM carburetors, all Mikuni Aftermarket Carburetors and Tuning Components are sold "As Is" for Off Road / Racing Use Only and are not intended or approved for use on vehicles operated on Public Roads or in Locations where applicable engine tampering and antipollution laws apply. There is a strong possibility. No my issue is that at full throttle I'm only getting 3000 RPMs in gear and won't come up on a plane. Looking for details regarding seadoo parts catalog? you are right below. I have a seadoo also. Clean the air filter and warm the bike up. But works fine at idle/slower speeds and at full throttle). When it first appeared I took it to the local Yamaha dealer who was unable to get the alarm to reappear on the bench, and stated no codes were found, please pay me hundreds of dollars. Their primary function is to deliver the right amount of fuel/air mixture at a given throttle opening (as selected by the rider). I took out the engine took the head off and put a new head gaskets on and top water jacket gasket on. im assuming i lost rpm from. The weekend belonged to Can-Am riders. The 951 Sea Doo's have more water pressure than previous models. If it stalls it will always start back upUsally runs this way for about 40 minutes or so then will stall at anthing above low cruising speed. Viewing this page requires a browser capable of displaying frames. If you have owned a seadoo for any length of time you know the gray lines destroy carbs and destroy engines, and maybe you have even seen the aftermath of them already (poor throttle response, bogging, eventually resulting in a blown motor). The Web's most trusted source for 2005 Suzuki King Quad 700 LT-A700X OEM Parts. The guy has 253 kms on it. I put all new fuel lines and filters even put a new fuel pump on it cause i could see that the filter wasnt staying full when close to full throttle. 1/4-FULL it'll bog 3-400 RPM and come on and off power. Both skis have been well maintained and serviced regularly. If you have parts or know of a Sea Doo dealer in your area that is closing, contact me at OSDparts. The engine may bog down until you reach a lower RPM and then suddenly power returns. When you open the throttle the seadoo bogs down and will only go about 20 mph. Yamaha WaveRunners - The Most Reliable and Innovative Personal Watercraft on the Planet. Since the carbs use a relatively small low speed jet, they rely on this extra fuel so as to not hesitate. If I have under 1/4 throttle it's fine. Has fresh fuel, new plugs and fresh PWC 2 cycle oil. Symptoms: Engine Hesitation; Lacks Power (Figure 6) Throttle Position Sensor (TPS) full range test (Figure 7). Occassionally you can diagnose a carb problem that way. Re: 2002 SeaDoo GTI LE bogging down Yeah, you're not taking a chance on anything other than wasting your money. FFUN Motorsports is an Powersport dealership in Saskatoon, Yorkton. What are your thoughts? Fuel pump? Jets? Thanks!. starts fine. We have an 07 OL 800 XT ( that was purchased elsewhere ) come in for some work. I used the power up to clean the combustion chambers per directions. Hello, I have a 2002 Mercury 4 HP Outboard. The throttle positon sensor consists of two parts: a potentiometer, and a combined idle/full throttle switch. I'll start with the problem so you can compare, and then a number of items to check with details and pictures documenting the fix that worked for me. Join Facebook to connect with Ryan Carter and others you may know. After an hour or so it would not jump past the bogging. As the throttle is increased through to 1/3 and beyond the main jet is now working at full capacity but being regulated by the position of the jet needle. I recommend cleaning your carby the old fashioned way. For people who don't know about the mountain top mud bogs. It will need a battery. 2000 GTX millennium edition New battery last year. James, Great site keep up the good work! I have a 2005 Yamaha VX1100D that I am having an issue with the "Check Engine" alarm. Lets use an example: A slip on pipe and an aftermarket filter are put on. submitted by wiringforums from December, 19 2017. I am having a problem with a 1996 Sea Doo XP. The help is unsurpassed. hi i have a 97 seadoo gti i installed a new sbt engine in and a new throttle cable. Occassionally you can diagnose a carb problem that way. Then, easing off from WOT throttle a little, it winds right up. A Mikuni carburetor is a specific type of carburetor that is manufactured in Japan and used in a variety of Japanese motorcycles, including Yamaha, Honda and Kawasaki. I went and put a new fuel filter on and since the tank was about 1/2 full, I went and filled it up with brand new 87 octane and one whole bottle of Mercury fuel treatment. Start it back up, and running at around 4 to 5,000 rpm, and it just dies. Open to any suggestions. The engine starts fine. - Ski rev's when out of the water but will not in the water. I also just had my cards serviced at a shop. The weekend belonged to Can-Am riders. If the alarm is a steady BEEP, it is an over heat alarm. He bought it stock, put on some miles and then. it cranks fine, idles normal, and will run normal up to 1/4. If this doesn't work try with the throttle wide open as your engine may be flooded (too much fuel in the cylinder). A few moments of getting "foamed" water to the cooling system doesn't represent any big problem. The Can-Am Maverick MAX 1000R of Matt Evans was named Bad 2 ‘da Bone “show-and-shine winner. I have a 89 Vision Bass Boat with a 1990 Johnson 90HP motor. The 2002 Sea-Doo GTX is equipped with an electronic maintenance light, just like the check-engine light on a car's dashboard. The motor shouldn't be allowed to keep overheating, because permanent damage can occur. When it comes on, it's telling you something is amiss. tried another carb & still the same. About Two Stroke Oils and Premixes. Use our comprehensive OEM schematic diagrams to find the exact parts you need to get the job done, and get riding!. i'm not getting any FI or belt lights. 2004 GTI RFI LE challenge diagnosis. The 951 Sea Doo's have more water pressure than previous models. Last is the main jet. What causes a 1993 seadoo engine to bog down then take off, then bog down? run full throttle and then bog down, then - Sea-Doo US Seadoo Sea doo pump off 1993 question. Jetworks specializes in personal watercraft service and repair for all makes including Yamaha, Sea-Doo, Kawasaki, Polaris and Honda. Notes on Carburetor Installation, Tuning and Repair. It will start with choke on, and then as I choke off it has a hard time to keep running. Holley carburetors powered every Monster Energy NASCAR® Cup team and nearly every NHRA® Pro–Stock champion for four decades. – Ski rev’s when out of the water but will not in the water. This was like a 1-2 second at WOT Rear cylinder only - 6500rpm and pretty smooth. Ski will run 62mph and has reverse. It doesn't take on water any more, but now it does this. Why is the engine bogging under acceleration? I recently managed to get the moped running properly, albeit for only a short time. They should have left it stock or spent $60. 2014 Sea-Doo GTI 130 Key Features: A large Swim Platform with full traction matting makes hanging out in the sun or hopping in and out of the water a breeze. the craft wont bog or hesitate. From this throttle position and greater the venturi effect and the fuel introduction work is unison to increase RPM, increasing vacuum, which opens the slide until maximum RPM is attained.