yamaha wj 500 no power in water? plz help - PWC Forum: The best hang-out for Personal WaterCraft enthusiasts
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Old 04-20-2009, 06:13 PM   #1 (permalink)
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Default yamaha wj 500 no power in water? plz help
hi i have recently got a wj500, it starts on land and sounds powerful, when in water no power barely 2 mph, can u help please
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Old 06-20-2009, 11:36 PM   #2 (permalink)
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Maybe something wrong with the pump. Will it rev up? Does it bog? How about a compression check?
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Old 07-18-2009, 11:21 PM   #3 (permalink)
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i had simmular symptoms with a 650. i replaced the head gasket and put a new carb on it and it runs great.
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