- Big Bore Kit
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Koso North America MB623002 170cc Big Bore Kit
Includes ceramic coated cylinder, 61mm forged piston, rings, pin, gasket kit and banjo bolts. Compression ratio of 11.5 to 1. Optional camshaft kit can be used with stock engine, but delivers improved results when used with 170cc Big Bore kit. Cylinder displacement: 169.2 cc. Cylinder material: Aluminum / Ceramic coated. Compression ratio: 11.5:1. 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.
On the continent of North America. Photos are for reference only.
Actual product may differ from the item shown in photograph.