I'd be curious to see that engine with the valve cover removed. I have a four valve OHC XR250R, and it has rockers. I struggle to understand how the cam acts upon the valves without rockers.
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Weldangrind
"I figure I'm well-prepared for coping with a bike that comes from the factory with unresolved issues and that rewards the self-reliant owner." - Buccaneer
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