Koso Big Bore Piston Honda Grom / Monkey 2014-2020

$77.67

SKU: P389272 Categories: Engine, Motorcycle Parts

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Description
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Koso Big Bore Piston Honda Grom / Monkey

Replacement 61mm forged piston for the Koso 170cc Big Bore Kit.

Features:

61mm forged replacement piston for Koso 170cc Big Bore Kit
Compatible with 2 valve head
Compression ratio 11.5 to 1

Note: 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.