Question about 1991 Yamaha FZR 1000

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Yamaha fzr 1000 exup, flat spot and then holdin back till 4000rpm. Any solutions...?

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I have a 92 FZR 3GM, it won't rev past 4k, but if I toggle the kill switch it will rev full rpm untill it goes below 4k. I have changed plugs, pick-up, coils and carbs. disconnected the altenator but problem still there. checked wiring but no obvious fault, please help!

Posted on Apr 14, 2011

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Hi,,,sounds like you have a blockage in the carbs,,,remove and clean carbs,,check spark plugs too.

Posted on Mar 23, 2011

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Check your servo motor for the EXUP valve. After you take off the tank its on the inside of the lest side of the frame. It should start moving around 2500 and 3000. If it dosent move check the valve to see if stuck

Posted on Apr 18, 2011

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