49cc 2-stroke 44mm Piston Kit Options:12 Engine Architecture Base: 161QMK (200cc

Engine Architecture Base: 161QMK (200cc 4-Stroke) & select GY6 Variants

Mechanic's Note: This is a **Mechanical** caliper

Mechanic's Note: If your variator is worn out

We also sell a Vespa 50 basic performance kit

Compatible options:

49cc 2-stroke 44mm Piston Kit Options:12 Engine Architecture Base: 161QMK (200ccPiston Kit for 49cc mini 2 stroke engines. Includes piston, piston rings, piston pin, and cir clips. Please choose from the 10mm or 12mm piston pin option. Overall Height (piston): 40mm Outer Diameter (piston): 44mm Outer Diameter (rings): 45mm Thickness (rings): 2mm Piston Pin available in 10mm and 12mm options 49cc Mini Gas Scooters, Various unlisted makes models