The camshaft is attached to the clutch arm and is installed into the sprocket cover on a 2 stroke engine. It rotates and pushes in the bucking bar. Wear will occur over time where the flat spot on the camshaft touches the bucking bar.
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Our gasoline operated products are NOT compliant with Environmental Protection Agency ( E.P.A. ) or California Air Resources Board (C.A.R.B) for the use on/off Public roads. Upon purchase, the buyer agrees to use products for racing (closed-course competition) only and NOT for on/off public roads.