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New to site with 2002 GTX

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riverrat88

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Hello to all and just want to say this site is just what I need after my recent purchase of a 2002 GTX.

I bought the GTX at the beginning of last spring. It hadn't been used much and had 15 hours on it. It was flawless and I enjoyed the entire season with no problems except for the key.

It was around 90 degrees here in the Northeast over the weekend, so I figured it would be a great time to get it out, start it up and get ready for the new season.

Long story, short it wouldn't start. It beeps twice and turns over well. The battery is fully charged. I pulled a plug and there is a strong spark, so the problem is in the fuel delivery, I'm guessing. I'm pretty handy, do all my own automotive repairs and maintenance but don't know the first thing about jetskis. I don't want to get over my head so I'm looking for advice as how to proceed tracing fuel issues. I don't even know where the fuel filters are and how to access the carbs.

Thanks in advance for your help.
 
Update:
Checked fuel filter and it was clean except for a few particles in the bottom of the housing. Removed carbs and checked the small filters. They were both clean as a whistle. No gray fuel lines in this machine that I've read are troublesome.

There was about 3 gallons of untreated gas left in the tank over the winter, which I've drained out. Do you think that could be the problem??

I plan on putting in fresh gas and trying to start it again soon.

Any other ideas would be appreciated.
 
Did you remember to turn the fuel selector valve on?

Sometimes when coming out of winter storage and the fuel lines are near empty it is difficult to get it started again. Maybe pour a small amount of fuel in each cyclinder and fire it up. It may need a little "kickstart" to get the fuel pulled in from the fuel tank / lines.
 
Yes, fuel supply was on... both in the reserve and the on position. No fuel is getting to the carbs.

I poured a small amount of fuel in eack cylinder as suggested and it started right up and then died. The fuel filter/water separator is about 1/3 full of fuel. There is only about 2-3 gallons of fresh fuel in the tank right now. Is that enough?

Is it possible the fuel selector switch is bad? If so how to you check it?

Also how many times should I try pouring the gas in the cylinder method?
 
You only need to do the fuel in the cyclinder once... you know the engine starts and runs when it has gas now.


Take off the fuel selector valve, it's probably gummed up. You can clean it out with carb cleaner etc once you have it off. Also make sure the hose clamps are tight on all the fuel lines and they are connected. You may have air getting into the system which will remove the suction needed to pull the fuel in.
 
Jetski now starts and runs the way it should.

This is what I did:

1. Removed the carbs. Checked the small filters, they were clean. Checked the needle and seats, they were clean. Lubricated them with WD-40.

2. Reinstalled carbs with new gaskets, one had a small nick in it.

3. Removed and labeled all 4 lines from the fuel tank pickup. Removed the pickup to check the filter on the bottom, it was clean. Cut about 1/2" off all 4 lines and re-installed the clamps firmly onto the pickup tube. Refastened the pickup tube firmly.

4. Drained the old fuel from the tank and put in fresh fuel.

5. Checked main fuel filter/ water separator, it was clean. Refilled it with fresh fuel.

6. Poured a small amount of fuel in each cylinder. Installed new plugs.


Engine started right up and runs great.

Things I learned:

1. All fuel lines must be firmly attached and the ends of lines must be in perfect shape.

2. Fuel must be fresh or treated with stabilizer. Tank should be at least 1/2 full when storing for the winter.

3. Carb gaskets must be new when rebuilding or removing carbs.

4. I now know more about my jetski and how to take care of it.
 
Last edited by a moderator:
It's a learning process, but in the long run it's just part of ownership. Glad you got it running good.

Karl
 
I took a test run on Saturday, just to make sure everything would be OK.
Well the ski started and ran fine... except when I cranked the throttle open full. The ski stalled out. It took several minutes to get it started, at one point I just heard a "click" when I pushed start.
I did get it started and was able to ride it for quite a while as long as I kept it under 50 MPH.
 
What colour are your fuel lines? If they are grey it's time to replace them.



When you say stall out over 50, does that mean a complete shut down or just a "bogging" of the engine.
 
You should post your seadoo model and year in your avatar, so we have an idea what you seadoo is. Depending on the model and year it could be several things causing the problem.

Karl
 
you would have thought they would have figured that out by then. Anyone know what year they finally fixed that?
 
cdnbikerdude said:
What colour are your fuel lines? If they are grey it's time to replace them.



When you say stall out over 50, does that mean a complete shut down or just a "bogging" of the engine.
Click to expand...


All fuel lines are black, USCG approved.

The ski shuts down and needs to be restarted when this happens. It took several minutes to restart.
 
Last edited by a moderator:
Big problems now.

Ski ran great on 2 separate occasions, fairly long runs at various speeds. Was out Friday ski stalled, went to restart and obviously something serious wrong with the engine. Loud rapping noise. Shut it down and was towed in.
 
What do the spark plugs look like?


I think it maybe time to pull the head for a look. Compression test?

It's possible you may have been having a fuel delivery issue causing the engine to run lean.
 
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