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    1996 Yamaha WRA650U, idles fine, but will not rev up.

    I read that it might not be revving up because it's out of the water and on a trailer, is that possible ? It might be up against the rev limiter, to protect the engine, thinking it jumped a wave, or ?
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    1996 Yamaha WRA650U, idles fine, but will not rev up.

    To all: PLEASE read my initial post before you reply, I have been very specific about what I have checked so far, including the results. I really appreciate everyone that has tried to help me.
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    1996 Yamaha WRA650U, idles fine, but will not rev up.

    I really appreciate your input, but you must not have read my original post. You are questioning things that i have already addressed. Thanks, I'll run it by them.
  4. H

    1996 Yamaha WRA650U, idles fine, but will not rev up.

    Correct, it has a single Mikuni that runs perfectly on a similar ski.
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    1996 Yamaha WRA650U, idles fine, but will not rev up.

    Hello, thanks for the reply, but it seems like it tries to rev up, but again, it sounds like it's up against the rev limiter. It's a 1996, it does not have a TPS on it.
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    1996 Yamaha WRA650U, idles fine, but will not rev up.

    Yes, of course, I checked all of the basics first... Any other ideas, I'm thinking it might be the rev limiter, so I'm going to replace the CDI box...
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    1996 Yamaha WRA650U, idles fine, but will not rev up.

    Hello group, I recently bought a couple of used Waverunners, a 95 WRA700T and a 96 WRA650U. The 650 will fire right up and idles just fine, but it will not rev up. The ski is on a trailer and has a water hose connected. Both cylinders have 125 psi compression, I have confirmed that there is not...
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