Hoople
Account Removed
I used propane and then went to WD40 went all around intake area did not notice any change in rpm, what do i do next?
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I would next verify that the throttle body butterfly Vane is closing against the final mechanical stop when twist grip was at "0".
Since there are no apparent vacuum leaks it sounds like the Vane is not closing completely due to some kind of cable bind, or a bind in the throttle body shaft. Return spring in good shape?