Flying Horse

FH-OILPIN

4-Stroke Oil Mixing Pin Bicycle Engine Kit Replacement Part Motorized Bike

Engine Kits

The 4-Stroke Oil Mixing Pin helps mix your oil as the piston crank arm strokes the piston through the cylinder
To install, simply uninstall your piston crank arm, align the mixing pin with the bolt ports on the bottom piece of the piston crank, reinstall the studs, fasten, and your crank arm is ready to run
These mixing pins work for the 49cc Flying Horse 4-Stroke Bike Engine Kit and most Huasheng 142f 48/49cc bicycle engine kits

Part #33 on the 4-Stroke Diagram

This part is bolts to the bottom of the piston arm in order to mix oil with your fuel during every revolution of the piston.

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