Yamaha 94 Blaster Trouble - PWC Forum: The best hang-out for Personal WaterCraft enthusiasts
 
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post #1 of 3 (permalink) Old 11-06-2019, 03:56 PM Thread Starter
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Yamaha 94 Blaster Trouble

We have a 94 Yamaha Wave Blaster with an after market primer. Not often, but we have a situation that when the blaster is started, the engine will run at full throttle for about 30 seconds, without the throttle being squeezed and will continue after the key is pulled from the button. After 30 seconds, the blaster will die or the throttle will resume working. Both times the blaster was on the trailer in the yard and not on the lake. Any ideas where to start?
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post #2 of 3 (permalink) Old Yesterday, 04:17 AM
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There is a air leak somewhere. Could be crank seals, reed gaskets or carb base gaskets, but I would also make sure the throttle cable has a little slack in it. Have you done a carb rebuild lately ?
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post #3 of 3 (permalink) Old Yesterday, 09:01 AM Thread Starter
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Thank you for the leads. We have purchase this wave runner a few years back and do not know the long time history. We will start with checking for leaks and the carb rebuild. We had Yamaha wave runners for over 20 years with out any real problems.
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