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KOSO 61mm Honda Grom 125 Big Bore Cylinder Kit

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Regular Price: $344.95 Now only: $320.00
KOSO 170cc Big Bore Cylinder Kit for Honda Grom 125



Koso Honda Grom Big Bore Cylinder Kit will bore out your Grom from a 125cc to a 170cc. Using a forged piston and ceramic coated cylinder this 170cc kit will insure your Grom will run reliable as the factory on pump gas.

Additional Info

Additional Info


KOSO 61mm Big Bore Cylinder Kit (170cc)

  • Displacement: 169.2cc
  • Cylinder Materical: Aluminum with Ceramic coated
  • Piston: 61mm Forged
  • Compression: 11.5 to 1
  • Cylinder with oil cooler fitting
Brand Koso


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