Throttle Surge.

Ernest Montague afm199 at earthlink.net
Mon Dec 21 09:37:16 PST 2009


If it were mine I'd pull the carbs, and clean the main and pilot jets.

Check the low voltage connection to the front coil, it's right next to 
the air box vent hoses and often gets knocked loose.


On Dec 21, 2009, at 9:24 AM, Ahmed Jehanzeb wrote:

> Got a first gen 650 which is surges and drops out at neutral throttle.
>
> Lower rpm's are ok but higher rpm's make the throttle response
> surge and drop put badly. Bike is also idling rough.
>
> It only sat for one month so fuel is not too old.
>
> Besides the carbs, what else could cause this ?
>
> Thanks!
>



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