Crankshaft w/ Bearings Connecting Rod GY6 QMB139 50cc (22 teeth)

$56.99

Crankshaft Assembly, Type-1 for 50cc 4-stroke QMB139 engines. Has 22 tooth oil pump drive gear.

Piston Rod for the GY6 50, 4 stroke, 139QMB,

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 gear): 22

7 in stock

Description

Crankshaft Assembly, Type-1 for 50cc 4-Stroke QMB139 Engines

Product Description:

This Type-1 crankshaft assembly is specifically designed for 50cc 4-stroke QMB139 engines. Featuring a robust design and precise manufacturing, this crankshaft ensures reliable engine performance and longevity. It comes equipped with a 16-tooth oil pump drive gear and meets all necessary specifications for a direct replacement.

Key Features:

  • Precise Engineering: Designed specifically for 50cc 4-stroke QMB139 engines, ensuring a perfect fit and optimal performance.
  • 16-Tooth Oil Pump Drive Gear: Equipped with a 16-tooth oil pump drive gear for effective oil circulation and engine lubrication.
  • Durable Construction: Made from high-quality materials to withstand the demands of engine operation, providing long-lasting durability.

Specifications:

  • Stroke Length: 41.4mm
  • Overall Length: 254mm
  • 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 Gear): 16

Package Includes:

  • 1 x Type-1 Crankshaft Assembly for QMB139 engines with 16-tooth oil pump drive gear
  • Installation guide

Ensure the reliable operation and performance of your 50cc 4-stroke QMB139 engine with this high-quality crankshaft assembly. Designed for precise fitment and durability, it is the perfect replacement part to keep your engine running smoothly.

Additional information

Weight 8 lbs
Dimensions 8 × 6 × 6 in

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