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USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Sep 7 - Sep 12
Shipping Estimate
Description
Stock crank case replacement
Comprehensive Model Fitment List
brake levers
This kit is a direct performance upgrade for 50cc and 80cc (139QMB/GY6) engines:
NCY Gear Set (17*41); 139QMB, CSC, Wolf, 50cc polini performance variator kit Stock crank case replacementNCY 139QMB upgear kit for your 50cc 4 strokes is finally here! This kit is made specifically for 88cc big bored engines and increases your gear ratio by 30%. This is the mother of all upgears for the 50cc 139QMB scoots. Only effective if you have a full blown 88cc kit with a big valve head, and stroker crank.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
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