44MM QMB139 Big Bore engine Kit w/ Head(69mm-Non Emission)


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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
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 44mm Piston Kit GY6 Engine

Piston Diameter: 44mm
Piston Pin Diameter: 13mm
Piston pin Height:34mm

Cylinder Body 44mm GY6 80cc

Bore: 44mm

44mm 80cc GY6 short-Case Gasket Set

Overall Length (left CVT cover gasket): 15.75 inches
For Cylinder Bore of 44mm

GY6 50cc Cylinder Head Stud Bolt

M6 x 1.0 x 32 mm

M6 x 1.0 x 63 mm

cam holder retainer bracket and rocker arms 50cc(69mm Valve)

Only used in GY6 50cc engine with 69mm Inlet/Exhaust Valve.

44mm Bore non-EGR cylinder head with 69mm valve

non-EGR(Non-Emissions) Style Cylinder Head
44mm 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