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O6 Foreman just put new piston rings and cylander in. Bike cranks and runs but seems once it gets hot it will not crank agian untill it cools off. Also seems like valve cover is getting hotter then usuall. It is getting oil to the top of the valves. Any ideas?
 

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Timing could be the issue but i think I would check the valve adjustment if the valves are too tight it will not start. metal expands when it gets hot so if they are too tight when cold , when the bike gets hot the valves get even tighter. Therefore making it harder for the valves to open to draw air/fuel into the cuombustion chamber as well as exhaust spent waste.
 
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