Crankshaft with Bearings Connecting Rod GY6 50cc Scooter 139QMB 17 & 16 Teeth

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Your Price: $54.97
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Catalog Number:CRNK-0002
This is a quality replacement Crankshaft with Bearings and Connecting Piston Rod for the GY6 50, 4 stroke, 139QMB, engine for scooters, quads, ATVs and buggies.
Chinese 50cc crankshaft fits several makes & models.  Please use the pictures and measurements to best match your crank.

  • 16 tooth oil pump drive gear
  • Over Length: 24cm [9.45"]
  • Bearing size/model: 20 X 47 X 14 [6204]
  • Bearing size/model: 17 X 42 X 12 [6203]
  • Sprockets: 17 teeth each
  • Spline count on end of shaft: 26 spline
  • Thread size on tapered end: M10 x 1.25
  • Thread size on straight end: M12 x 1.25

  • Please compare to your old part before ordering.
    COUNT THE TEETH! OLDER MODELS USUALLY HAVE 16 TEETH, WHILE NEWER MODELS WILL HAVE 22!
    Check our store for the Crankshaft with 22 Teeth.

  • Known to fit GY6-50 engines.
  • Fits: Gator 50 Baja, JMStar, Jonway, Lance, NST, Roketa, Sunl, Tank, TNG, Vento, VIP and many others.

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