Playing a pivotal role in your 4-stroke engine, the 4-Stroke Oil Mixing Pin is needed to mix the fuel and oil. Installed to the bottom of the piston arm, this component mixes oil with your fuel during every revolution of the piston. The result not only allows for optimal engine function but allows sufficient engine cooling as you ride.
Part #33 on the 4-Stroke Diagram
This part is bolted to the bottom of the piston arm in order to mix oil with your fuel during every revolution of the piston.