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Generally unlike a 4 stroke which doesn't have its exhaust/inlet ports on the cylinder wall, 2 strokes engines tend to have pistons with small pins in the ring groove to locate the piston ring gap in such a way that the open ends cannot rotate and foul on a port in the cylinder, resulting in...

Hi guys. I am new to the forum and have a question regarding Tecumseh TC300 2 cycle engine. Normally on 2 stroke engines there are pins in the ring grooves on the piston to properly locate the ring gaps, but there are none on the TC300. I wondered if the gaps had to be located anywhere in...