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2003 Honda TRX650 Idling High


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  • Ajmboy changed the title to 2003 Honda TRX650 Idling High

Have you checked that the throttle cable is not looped up or kinked anywhere ? Check where the cable adjuster is on the  handlebars where the cable enters the throttle assembly.  Make sure nothing is broken. Turn the handle bars back and forth  while the bike is idling and see if there’s any change.  The cable could have been changed and routed improperly.  

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2 minutes ago, Frank Angerano said:

Have you checked that the throttle cable is not looped up or kinked anywhere ? Check where the cable adjuster is on the  handlebars where the cable enters the throttle assembly.  Make sure nothing is broken. Turn the handle bars back and forth  while the bike is idling and see if there’s any change.  The cable could have been changed and routed improperly.  

That's a good point @Frank Angerano , maybe that cable is hanging up. 

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The only reason I could see the idle changing while your shaking the bike is fuel swishing around inside the bowl of the carburetor and somehow making its way up and into the intake portion of the carburetor. Something along the lines maybe a loose jet of some sort inside the bowl.
Secondly would be the main jet needle where it locks into the slide in the carburetor is missing the clip or installed wrong and loose.  

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