GY6 100CC 50MM QMB139 Big Bore engine Kit w/ Head(69mm-Non Emission)
Oil Pump Sprocket with 33 Teeth for 50cc 4-stroke QMB139 engines.
QMB139 Oil Pump forr 33 Tooth Gear
Vacuum Actuated Fuel Valve / Pet Cock GY6 50CC
4 Ports
Bolt Hole Diameter: 7mm
A/C Gy6 Performance CDI 50CC 125CC 150CC
Split Plug: 2 pin/4 pin
38mm*74mm*30mm
AC-Alternating Current
Insulator intake manifold Gasket GY6 50CC
Center Hole Diameter: 16mm
Bolt Hole Spacing: 45mm
Intake Manifold GY6 50CC
Engine Mount Side Inner Diameter: 18.5mm
Carb Mount Side Inner Diameter: 27mm
Bolt Hole Spacing: 45mm
GY6 50CC Complete Variator Kit
Number of Teeth (drive face): 62
Number of Splines (drive face): 26
Outer Diameter (variator): 87mm
Roller Weight: 8.5g
Carburetor Assembly GY6 50cc engines
Inner Diameter (intake): 19mm
Outer Diameter (air filter mount): 40mm
Electric Choke (plug style): 2-pin, male plug
GY6 50CC carburetor for 4 stroke QMB139 engine.
High Performance Ignition Coil GY6 50CC 125CC
Overall Length: 19 inche
Wire Length: 14 inches
38mm Performance Air Filter
Intake Inner Diameter: 38mm
QMB139 50mm Piston Kit GY6 Engine
Piston Diameter: 50mm
Wrist Pin Diameter: 13mm
Piston Pin Length: 38mm
Cylinder Body 50mm GY6 100cc
Bore: 50mm
QMB139 50mm bore cylinder with short CVT Case Gasket Set
Overall Length (left CVT cover gasket): 15.75 inches
Bore 50mm cylinder
cam holder retainer bracket and rocker arms 50cc（69mm Valve)
Only used in GY6 50cc engine with 69mm Inlet/Exhaust Valve..
cam holder retainer bracket and rocker arms for 139qmb GY6 50cc 4-stroke engines.
GY6 50cc Cylinder Head Stud Bolt
M6 x 1.0 x 32 mm
M6 x 1.0 x 63 mm
GY6 100cc 50mm Bore non-EGR cylinder head with 64mm valve
non-EGR(Non-Emissions) Style Cylinder Head
50mm Bore
Valve Length: 69mm
Overall Height: 59.5mm
Intake Port Diameter: 17mm
Exhaust Port Diameter: 18mm
Exhaust Bolt Hole Spacing: 49.75mm
Intake Bolt Hole Spacing: 44.75mm
Fuel Gas Oil Filter
3/16" In-Line Fuel Filter used on Scooters, Motorcycles, ATVs, Dirt Bikes, Go-Karts, Dune Buggies and much more