Scooter-ATV Parts

S0101

50cc Scooter/Moped Top End Kit GY6

Pistons

Top End Rebuild kit to the 49/50cc GY6 139QMA/GMB Scooter/ATV Engine
Milled Emissions Head with 18mm diameter intake and 16mm diameter exhaust valves and high performance springs
39mm Cylinder & piston, piston rings, piston pin, clips and top end gaskets.
Free Shipping To Continental US. Please note, any product that is returned will be refunded minus the original shipping costs.(i.e. The cost to ship the order to you)
Please Note: many photos are stock images and although no functionality will change, the part you receive might vary in color or aesthetic appearance.

In the picture the cylinder and head are shown from both the top and bottom for clarity, only one set is included with this kit. Please NOTE: If you open the gaskets, if you install the rings, if the kit is installed in anyway you CANNOT return it. Please be sure of what you're buying. Any returned kits will be subject to a 20% restocking charge.

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