Engine & Top End

QMB139 50mm Big Bore Cylinder Kit GY6 engine with 69mm EGR Head

100cc QMB139 50mm Big Bore Cylinder Kit GY6 engine with 69mm Valves EGR Head

99315

100cc QMB139 50mm Big Bore Cylinder Kit GY6 engine with 69mm Valves EGR Head

$39.25

SKU: 99315

Weight: 2.72 kg

GY6 100CC 50mm QMB139 Big Bore cylinder Engine kit with Cylinder, Cylinder head,piston kit, head gasket, base gaskets.QMB139 50mm Piston Kit Piston Outer Diameter: 50mmCylinder Head Gasket 50mm Inside DiameterCylinder Gasket GY6 50ccBore: 50mmCylinder for GY6 50cc engineBore: ...

Cylinder Body 47mm GY6 80cc

87819

61mm Piston Set GY6 180cc Engines

87782

100cc QMB139 50mm Big Bore Cylinder Kit GY6 engine with 64mm EGR Head

99313

100cc QMB139 50mm Big Bore Cylinder Kit GY6 engine with 64mm EGR Head

$39.25

SKU: 99313

Weight: 2.72 kg

57mm GY6 150cc Cylinder Engine kit

99103

57mm GY6 150cc Cylinder Engine kit

$23.99

SKU: 99103

Weight: 1.51 kg

GY6 150CC 57mm cylinder Engine kit with Cylinder, piston kit, head gasket, base gaskets.57mm Piston Set GY6 150cc EnginePiston: 57mmPiston Pin: 15mmComes with piston, piston pin, and 2 cir clips For 150cc GY6 enginesCompression Height (center of piston pin hole to top of pisto...

Fuel Gas Oil Shut Off Valve Pump

90007

Fuel Gas Oil Shut Off Valve Pump

$2.81

SKU: 90007

Weight: 0.16 kg

FUEL SHUT OFF VALVE dirt pit trail bike atv quadsThread Size: M14x1.00Total Length: 4.5 inchesFuel Outlet Outer Diameter: 4.7mmBolt Outer Diameter: 18.70mm

valves springs clips Rebuild kit GY6 150CC 125CC

64495

QMB139 69mm Valve springs clips Rebuild kit GY6 50CC

64494

QMB139 69mm Valve springs clips Rebuild kit GY6 50CC

$5.30

SKU: 64494

Weight: 0.34 kg

* INTAKE OAL = 69MM* INTAKE DIA = 18.5MM* INTAKE SHAFT = 5MM* ExHAUST OAL = 69MM* ExHAUST DIA = 16MM* ExHAUST SHAFT = 5MM69mm valves springs clips kit for 50cc 4-stroke QMB139. Includes intake and exhaust valves, inner and outer springs, valve washers, valve seals, valve keepe...

Fuel Gas Oil Shut Off Valve

80116

GY6 61MM Big Bore Cylinder Engine Kit

99104

GY6 61MM Big Bore Cylinder Engine Kit

$25.99

SKU: 99104

Weight: 1.51 kg

GY6 125-150CC 61mm Big Bore cylinder Engine kit with Cylinder, piston kit, head gasket, base gaskets.61mm Piston Kit Piston Diameter: 61mmPiston Pin Diameter: 15mmPiston Pin Length: 42.5mmCylinder Head Gasket 61mm Inside DiameterCylinder Gasket GY6 150ccBore: 61mmCylinder for ...

Float Valve GY6 50CC

64072

Woodruff Key for crankshaft GY6 125CC

61124

QMB139 50mm Big Bore Cylinder Kit GY6 engine

99005

QMB139 50mm Big Bore Cylinder Kit GY6 engine

$22.29

SKU: 99005

Weight: 1.65 kg

GY6 50CC 50mm QMB139 Big Bore cylinder Engine kit with Cylinder, piston kit, head gasket, base gaskets.QMB139 50mm Piston Kit Piston Outer Diameter: 50mmCylinder Head Gasket 50mm Inside DiameterCylinder Gasket GY6 50ccBore: 50mmCylinder for GY6 50cc engineBore: 50mm

GY6 180cc 61mm Bore non-EGR cylinder head with valve

87810

GY6 180cc 61mm Bore non-EGR cylinder head with valve

$22.99

SKU: 87810

Weight: 1.3 kg

61mm for GY6 180cc Cylinder Head Non-EGR style Valve Installed for scooter engine* Bore Diameter: 61mmOverall Height: 60mmIntake Port Diameter: 24mmExhaust Port Diameter: 24mmIntake ValveValve Diameter: 27.75mmLength: 66mmShaft Diameter: 5mmExhaust ValveDiameter of Valve: 23mm...

Valve Removal Tool

87161

50cc QMB139 39mm Piston Kit GY6 Engine

62838

Ignition Lock / Key Cylinder switchSet GY6 125CC

62402

Radiator Filler Neck cf250 250cc

61048

GY6 150cc Timing Chain Tensioner

89277

GY6 50CC Crankshaft

62830

GY6 50CC Crankshaft

$29.99

SKU: 62830

Weight: 1.98 kg

Stroke: 41.4mm Overall Length: 247mm Thread Size (tapered side): M10x1.25 Thread Size (spline side): M12x1.25 Bearing Outer Diameter (tapered side): 42mm Bearing Outer Diameter (spline side): 47mm Number of Splines: 26 Number of Teeth (oil pump drive gea...

Cylinder Body 50mm GY6 Big bore QMB139 139QMB

87820

Cylinder Body 50mm GY6 Big bore QMB139 139QMB

$14.99

SKU: 87820

Weight: 1.0 kg

* Bore: 50mm * Please see picture for measurementsUpgrade 39mm/50cc to 85cc/50mm50mm Cylinder for GY6 for upgrade GY 50CC 139QMB 139QMA scooter Engine. Works with engine code like 139QMB 139QMA. They are mainly used on Chinese 49 or 50cc 4 Stroke Air Cooled Scooter/Moped, lik...

Tappet for gy6 50cc engine GY6 50CC

87739

100cc QMB139 50mm Big Bore Cylinder Kit GY6 engine with 64mm Non-EGR Head

99312

100cc QMB139 50mm Big Bore Cylinder Kit GY6 engine with 64mm Non-EGR Head

$39.25

SKU: 99312

Weight: 2.72 kg

GY6 50cc 39mm Bore non-EGR cylinder head with 69mm valve

90090

GY6 50cc 39mm Bore non-EGR cylinder head with 69mm valve

$19.59

SKU: 90090

Weight: 1.2 kg

Completely Assembled non-EGR Style Cylinder Head with 69mm Valves for 50cc 4-stroke QMB139 engines.* non-EGR Style Cylinder Head* 39mm Bore* Valve Length: 69mm* Overall Height: 59.5mm* Intake Port Diameter: 17mm* Exhaust Port Diameter: 18mm * Exhaust Bolt Hole Spacing: 49.75mm...