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Monster Scooter Parts  |  SKU: K72-7931

172cc Big Bore Kit for 150cc GY6 Scooter Engines

$39.99

  • Save $5 on orders $50+ with coupon code: FIVE
  • Save $10 on orders $100+ with coupon code: TEN
  • This item has a 30 day warranty. Warranty Policy

    Free Shipping

    • US domestic ship to addresses only.
    • Does not include expedited shipping services.
    Key Features
    • Turns your 150cc GY6 engine into a 172cc street machine
    • Includes rings, gaskets, piston, cylinder, & more
    • Increase low-end acceleration
    • Increase your scooter's top speed

    Description

    Our 172cc Big Bore engine kit increases the 150cc GY6 engine bore size from 150cc to 172cc, enhancing performance for a better ride. Use this 172cc scooter cylinder kit to increase the low-end acceleration as well as your scooter's top speed. This kit includes the piston, cylinder, rings, gaskets, and more.

    Acceleration and top speed are two primary attributes of a GY6 powered motor scooter that dedicated street-scooterists demand, and the bigger the bore, the better the scooter's performance.

    Note: The 61 mm bore size is common to most Chinese-made 150cc GY6 horizontal engines. Some engines may require reaming.

    ⚠ WARNING California Residents: Proposition 65 Warning

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    Specifications

    Displacement 172cc
    Bore diameter: 61 mm

    Compatibility