SOURCE: I have a 2001 Yamaha
Several things can cause the problems you describe. 1) If there is a mouse nest in your waterbox, adding water to the nest plugs the exhaust causing the poor running. When it drys out on land it runs fine. Cleaning out the water box will not be easy on that model but a careful inspection of the exhaust outlet may tell if critters are the cause of your problems. 2) Corrosion in the teeter/totter needle inside the carburetor can also cause low power on the water. Try cleaning the carburetor. Warning: be very careful not to modify or stretch the spring on the teeter/totter. 3) Water in the electronics box can cause shorting and low power. Open the electronics box and inspect it for moisture. Leave it open over night to dry it out and put grease on the o-ring seal when reinstalling the cover. 4) One last possibility would be burnt or stripped screw on tops on the the spark plugs (if they are not solid top plugs), fouled spark plugs, or burnt out resisters in the in the spark plug caps. Replace the plugs ($3 each) and the spark plug resister caps($5-$8 each), make sure the screw on domes of the plugs are on tight. with any luck one of these checks should fix the problem you describe.
SOURCE: have a 2000 yamaha XL700 waverunner. Will not
If the waverunner has an electronic "key" lock, it could have gotten tripped. We had this problem happen in the past where everything was fine, then it was tipped over and quickly back up... suddenly it wouldn't start. Used the remote and unlocked it - then it started!
SOURCE: i was riding the daytonia 770 jet ski and the fuel
Hi, I was raised on a marina and road more wave runners and jet skis than the average bear. One of my wave runners started having a problems like yours sounds to be and I look it in and let them run test on it. Mine had an electrical problem causing it to think it had problems that it really didn't have. They just reset some of the settings and it was fine after that.
One more thing...ha you checked it's impeller? Dings on that w/hinder your speed.
Best of luck to you....and by the way, the cost was minimal.
Happy Jetskiing!
r
SOURCE: I have a 98 Arctic
THERE ARE TWO WATER OUTLETS ON THIS UNIT .IF IT HAS BEEN SETING UP LOOK ON THE RIGHT SIDE OF THE HULL AND FIND THE WATER OUTLET ,,,AND IN THE REAR NEXT TO THE EMPELER,, TAKE AN OLD WIRE CLOSE HANGER AND STRAITEN IT OUT AND MAKE SURE THERE OPEN FROM DEBREE ,,,WHAT TENDS TO HAPEN WHEN THEY SET UP FOR A WHILE IS DIRTDOBERS WILL BUILD THERE NEST IN THE PORTS,,, SEEN IT A THOUSOUND TIMES,,,HOPE THIS HELPS.
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