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  • 80cc (47mm BORE) BIG BORE KIT FOR SCOOTERS QMB139 MOTORS 69mm VALVES

    • 80cc (47mm BORE) BIG BORE KIT FOR SCOOTERS QMB139 MOTORS 69mm VALVES

    GY6 STORE

    $39.95
    (1 review) Write a Review
    SKU:
    88806
    Condition:
    New
    Shipping:
    Calculated at Checkout
    Bulk Pricing:
    Buy in bulk and save

    Bulk discount rates

    Below are the available bulk discount rates for each individual item when you purchase a certain amount

    • Buy 5 - 9 and get 10% off
    • Buy 10 or above and get 15% off
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    Product Description

    80cc (47mm BORE) UPGRADE KIT FOR QMB139 MOTORS
     
    TRUE DISPLACEMENT *72cc WITH STOCK CRANK*
    PEOPLE REFER TO THIS KIT AS 80cc
     
    THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 
    MOTOR AND TURN IT INTO A 72cc / 80cc MOTOR
    ADDING MORE POWER FOR BETTER PERFORMANCE 
     
     
    KIT INCLUDES:
     
    • CYLINDER BODY : 47mm BORE
    • CYLINDER HEAD (VALVES INSTALLED): NON EGR *69mm VALVES*
    • WHOLE GASKET SET
    • PISTON & PISTON RINGS SET
    • OIL PUMP SET 
    • INTAKE STUDS
    • 16x13 ROLLERS: 8.5 GRAMS
    FITS SOME MODELS OF TAO TAO, SUPERMACH, X-PRO, JMSTAR, ROKETA,
     SUNL, TANK, PEACE, JONWAY, GATOR
    AND MANY OTHERS

     

     
     
     

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    • 4
      Good Stuff

      Posted by Ron on Jan 24th 2025

      Only thing have issue with is the gasket that is for the Clutch Case it's too short. So I ordered gasket kit for Long Case and got the same kit as sent with the bore kit... need the 17" Case gasket

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