4T scooter 50-80cc
Engine parts for Chinese 50–80cc four-stroke scooters. This section covers scooters such as Honling, Yokomoto, Kinroad, Leiko Motors, Benda, Atlant, Sukida, Omaks, Geely, Alfamoto and others. Their engine is most often marked 139QMB: the number 39 is the cylinder bore in millimeters, which corresponds to 49.9cc.
Here you'll find complete 39, 44 and 47 mm cylinders (including GY6, TMMP, TATA, VIPER), piston rings, 100cc performance cylinders, carburetors and full rebuild kits, variators, rollers and sliders, rear variator clutch, valve train parts (rocker arms, valve springs and keepers, adjusting screws, timing chain), gearbox shafts, starter motors and bendix drives, ignition coils, oil seals, silent blocks and complete engines.
Please note: shafts and variators come in short-variator and long-variator versions — check which version your engine has before ordering.
Can't find the part you need in our catalog? Give us a call — we'll find an equivalent or order it for you.
Front variator for 50–80 cc 4-stroke scooters (KOSO).
Complete scooter engine for 50–80 cc 4-stroke scooters (Mototech).
Complete carburetor for 50–80 cc 4-stroke scooters.
Ignition coil for 50–80 cc 4-stroke scooters.
Piston rings for 50–80 cc 4-stroke scooters.
Engine gasket set for 50–80 cc 4-stroke scooters (TMMP).
Starter drive (Bendix) for 50–80 cc 4-stroke scooters.
Switch unit for 4T-50 scooters with a front disc brake (units without levers)
Gearbox shaft for 50–80 cc 4-stroke scooters.
Gearbox shaft for 50–80 cc 4-stroke scooters.
Camshaft sprocket for 50–80 cc 4-stroke scooters.
Piston rings for 50–80 cc 4-stroke scooters.
CDI unit for 50–80 cc 4-stroke scooters.
CDI unit for 50–80 cc 4-stroke scooters (TATA).
CDI unit for 50–80 cc 4-stroke scooters.
Air filter hose for 50–80 cc 4-stroke scooters.
Plastic fairing part for 50–80 cc 4-stroke scooters.
Engine gasket set for 50–80 cc 4-stroke scooters (Viper).
Engine gasket set for 50–80 cc 4-stroke scooters.
Engine gasket set for 50–80 cc 4-stroke scooters.
Cylinder gasket set for 50–80 cc 4-stroke scooters.
Cylinder gasket set for 50–80 cc 4-stroke scooters.
Cylinder gasket set for 50–80 cc 4-stroke scooters (TMMP).