How to adj. valves?
twin power 16hp mod402707 type1511 01. How to adj. valves?
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@davidc08 , dsparks001 , Brigg's L-Head opposed twin cylinder, engine cold and springs installed, valve clearance,
Intake spec. .004"-.006" , Exhaust valve .007"-.009"
Turn crankshaft until piston is 1/4” past Top Dead Center, compression stroke, for cylinder being checked. If clearance is less than specified, grind end of valve stem to obtain proper clearance.
If clearance is too much, replace valve or cut valve seat to obtain proper clearance.
Find below useful links, 1 st link is to service manual that explains adj. valves in more detail. A couple video links that show the process(may not be your exact model, but informative) and will show you what your in for. Last link is a specification page. Good luck.
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