Question about Yamaha YZF 600 R thunder cat Motorcycles

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My thundercat rides good except that the rev counter is on 0 then strait up to 8000 and then down to whatever it should be ie if idling then 1000 or if riding 3500ish and sometimes will cut off for a split second

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If the rpm is not actually changing with the tachometer the tach os displaying a fault code.....the 8000 rpm -zero and back up is the fault code for your fuel tank level sensor. Make sure you don't have a wire unplugged on the tank sensor.

Posted on Mar 19, 2011

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