Re: Briggs&Stratton 8hp question
2022/09/22 18:21:50
(permalink)
The tappets rest upon the camshaft and transfer the up and down motion to the valves..
There's two valves, one for intake, one for exhaust.
I've never seen one with a hole in the center. It should be smooth as the cam shaft pushes up on them-opening the valve..