UMA Racing 62mm (178cc) Big Bore Cylinder Kit - Honda CBR150R/Winner/Sonic/GTR150/RS150R

UMA racing big bore cylinder kits are plug and play ready for your machine, built to standards exceeding the manufacturers for worry free use, on the street or track. Ceramic block material will withstand higher engine temperatures. Available with forged, flat or high compression pistons.

This performance big bore kit will increase your engine displacement up to 178cc with the stock crankshaft stroke! We may have stroker kits also available for this model. We recommend you to upgrade your exhaust, fuel injector, throttle body, camshafts, ECU, cylinder head for supporting mods.

Includes:

• Racing cylinder block
• Piston
• Piston ring set and circlip
• Piston wrist pin
• Gaskets

 

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Fitting:

Honda CBR150R (K45G)/CB150R (2016)

Honda CB125R (2021)

Honda RS150R/Winner/Supra/GTR150/Sonic (2016)