1994 Yamaha Waverunner iiiGP fuel issues - Jetski Forum: Jet Ski Enthusiast Forums
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post #1 of 1 (permalink) Old 07-24-2019, 09:27 PM Thread Starter
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Join Date: Jul 2019
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Question 1994 Yamaha Waverunner iiiGP fuel issues

Good day, total noob here and I have rebuilt an older Yamaha Wave runner. New crank,rings and carb. It will not stay running.
I was able to get it to run off the spare tank when it was first reinstalled. I drained the tank of all the old fuel and water that was in it.
Now for some reason it will not stay running unless I bottle feed it with some pre mix.
I am able to get it to start but only by covering the intake with my hand, has plenty of pull and good compression.
But once I remove the choke and my hand it will stall out. I am trying to figure out were if any it could have a vacuum leak.
Does anyone have an idea to to go to next on the diagnosis?
Joe Clattenburg is offline  
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