Hello all, I recently came across a 2013 ex300 with a bad rod for a heck of a price. Motor was apart and after itemizing the parts and cleaning the whole thing I rebuiLt the motor And installed it back into the bike. The bike runs but not very good. Thats only part of the problem. Once the project was complete and I began to clean the workspace and throw out the boxes the motor was in I located a small roll pin hidden under one of the box flaps, just my luck. I have scoured the parts diagram up and down and can not find anything on this pin. It’s not the oil pump pin, made sure that was in several times, and it’s much larger. Hopefully Some of you 250 and 300 experts can help. Thank you for any input.
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