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Do you put oil in the crankcase?
Yes. The oil drips into the crankcase via the oil filler location.
What crankcase oil do you put in a Yamaha pw 80?
10w-30 engine oil preferably motorcycle type oil for wet clutch.
Oil in carb?
The engine is getting worn and blow by is getting into the crankcase and forcing oil from the valve cover into the air breather.
What happens if you put antifreeze in the crankcase?
vehicle will overheat. just dump the oil and antifreeze , flush engine and refill with clean oil
What is the function of a pcv valve?
The purpose of the PCV valve is to regulate the flow of crankcase fumes into the intake manifold where they can be burned. Prior to 1963, cars had no PCV and used road draft tubes that just left the hydrocarbon emissions from the crankcase out into the open air. The PCV valve also has a secondary role as a check valve, to prevent flow back into the crankcase. This prevents potential ignition of the crankcase fumes, should the engine backfire. The PCV system is also crucial for to proper engine sealing. The system alleviates crankcase pressure, which can push out on seals and gaskets, contributing to oil leaks.
