*Does not fit 2022+ models

WARNING

THIS IS AN AFTERMARKET PART BUILT FOR RACING PURPOSES ONLY. KOSO IS NOT RESPONSIBLE FOR ANY DAMAGES CAUSED TO THE PARTS, VEHICLE, OR TO YOURSELF AND OTHERS.  ENGINE PARTS ARE NOT UNDER WARRANTY NOR IS COLLATERAL DAMAGE OR COST OF LABOR, IN CASES OF MALFUNCTION.

 Specifications

  • for Koso 2 valve head
  • fits Honda GROM® or Monkey®
  • fits ONLY Koso 170cc Big Bore Kit

Why Buy From Hurtle Gear?

  • 100% Genuine Parts
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    In-stock items ship quickly from our WA warehouse for reliable Australian delivery.
  • Australian-Based Support
    Get help from real riders who understand the products we sell and the bikes they fit.
  • Trusted by Riders Australia-Wide
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  • Over 12 Years in Business
    Hurtle Gear has been supporting Australian motorcyclists for more than 12 years.
SKU MD623000
Brand Koso
Product Specifications