Universal Parts GY6 "200cc" 61mm Cylinder Head | 161QMK qmb Performance parts maintaining optimized CVT gear ratios

maintaining optimized CVT gear ratios over the belt's lifespan

also available in black

Oil seal retainer for 1950s-era vintage Vespa and Allstate scooters

VLX (with electronic ignition)

Engine / Model Family Compatible Series Honda Elite 80 CH80 (All Generations) 40QMB / 1E40QMB Most 50cc 2-Stroke Minarelli-style Scooters QMB139 / GY6 50 Various 49/50cc 4-Stroke Chinese Scooters Universal Any scooter with a 280mm (11") eye-to-eye mount

Universal Parts GY6 "200cc" 61mm Cylinder Head | 161QMK qmb Performance parts maintaining optimized CVT gear ratiosUniversal Parts 61mm cylinder head for the 161QMK 4 stroke engine commonly found in "Tank 200" models and other "200cc" GY6 based engines. This QMK engine uses a larger cylinder stud spacing than standard GY6 engines verify your stud spacing before ordering. Includes intake and exhaust studs. Fits GY6 powered buggies, ATVs, and go karts with the 161QMK engine. Specifications Combustion Chamber: 61mm Cylinder Stud Spacing (diagonal): 79mm Overall