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MMG

MMG Crankshaft Assembly for GY6/QMB139 50cc to 80cc 4 stroke engines

  • Based on 45 reviews
Condition: New
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As low as $8.65 / mo
  • – 6-month term
  • – No impact on credit
  • – Instant approval decision
  • – Secure and straightforward checkout

Ready to go? Add this product to your cart and select a plan during checkout. Payment plans are offered through our trusted finance partners Klarna, PayTomorrow, Affirm, Afterpay, Apple Pay, and PayPal. No-credit-needed leasing options through Acima may also be available at checkout.

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30-day refund/replacement

To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.

To initiate a return, please visit our Returns Center.

View our full returns policy here.


Availability: 18 left in stock
Fulfilled by Powersports Depot

Arrives May 17 – May 19
Order within 9 hours and 20 minutes
Available payment plans shown during checkout

Features

  • - Oil pump drive gear 16 teeth.
  • - Inexpensive replacement for OEM crankshaft.
  • - Fits 50cc/80cc 4 Stroke GY6/QMB139 Engines.
  • - Stroke: 41.4mm
  • - Overall Length: 246mm

Description

- 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 Fitment All Tao-Tao, Peace, Iceberg, Roketa, Baja, Baccio and many more scooters with 50cc 4 stroke engines. ATM50 , VIP50 etc.

Manufacturer: ‎SCOOTERPARTSDEPOT


Brand: ‎MMG


Item Weight: ‎4.25 pounds


Product Dimensions: ‎12 x 5 x 4.5 inches


Is Discontinued By Manufacturer: ‎No


Manufacturer Part Number: ‎MGH0101


Date First Available: January 11, 2017


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: May 17 – May 19

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • PayTomorrow Financing
  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Top Amazon Reviews


  • MMG is great quality
Performance is great
Reviewed in the United States on August 26, 2024 by Melissa

  • Work great
A+
Reviewed in the United States on March 15, 2021 by Ryason

  • Defective
I got the part put it on and it tore up 3 fly wheels and I can't get a refund so I'm out $53
Reviewed in the United States on April 18, 2022 by Charles schwenker

  • A+ Good transaction
Excellent and as described perfectly. Thanks
Reviewed in the United States on September 9, 2018 by Justin

  • Worth the money
It works great
Reviewed in the United States on June 2, 2021 by Daniel S.

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