50cc Starter Clutch Bushing QMB139


Starter Clutch Bushing for 50cc 4-stroke QMB139 engines.

Inner Diameter: 8mm
Outer Diameter: 12mm
Length: 9mm

50 in stock


Is your starter clutch giving you trouble? Restore smooth, reliable performance with this precision-engineered Starter Clutch Bushing.

  • Exact fit for 50cc 4-stroke QMB139 engines
  • High-quality construction ensures long-lasting durability
  • Inner diameter of 8mm, outer diameter of 12mm, length of 9mm
  • Easy installation gets your engine running like new

This bushing is the key to reviving your 50cc 4-stroke engine. Faulty or worn starter clutches can lead to frustrating issues like hard starting, poor acceleration, and unreliable performance. Replacing the bushing restores smooth, consistent operation so you can get back on the road with confidence. Whether you’re a scooter enthusiast or small engine repair specialist, this bushing is an essential component to keep your QMB139 engine in top shape.


Additional information

Weight .8 lbs
Dimensions 8 × 4 × 3 in


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