Amazon.com: GOOFIT Transmission Cover Assembly with Start Gear Shaft Belt Replacement for 4 Stroke GY6 49cc 50cc Scooter Moped 139qmb Short Case Version : Automotive
FLYPIG Scooter Moped Kick start Gear Starter shaft Starter Lever Rebuild Kit idle Gear Spring fit for 49cc 50cc 80cc GY6 139QMB P139QMB 4 stroke engine (49cc-80cc) : Automotive - Amazon.com