What motorcycle engine is the fastest and fastest?
Foggy oil particles through the crankcase forced ventilation pipe into the combustion chamber.
The gap between the piston and the cylinder wall, the piston ring in the uplink process will be on the cylinder wall of the remaining lubricating oil film into the combustion chamber.
The gap between the inlet and the exhaust door lever and the valve guide, the trace of the oil must pass through the valve seal to prevent the valve in the valve duct.
