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[hauser2169]

what does that arm do on the right side of the motor connecting to the valve. mine fell off and still runs good, what does it do?

 

[76GMC1500]

Well, that arm is what operates the power valve. The bike will run a heck of a lot better with it connected. It ties the valve in to the governor in the crankcase.

 

[hauser2169]

il have the motor on though and does absolutly nothing. i have the side cover off to see the power valve also and it barley moves. is somting wrong there,, haha so sorry for all this bs. iknow fourstrokes a hella lot better

 

[IndyMX]

You probably won't see much movement in the Powervalve linkage unless you are running it at high RPM's