Naraku GY6 63mm Big Bore Kit
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The Naraku 63mm Forged Piston Big Bore Kit fits GY6 4-stroke engines, and increases your displacement to 180cc! Specifications: Bore: 63mm Outer Sleeve Diameter: 64.9mm Displacement Increase to 180cc Overall Height (cylinder): 90mm NOTE: Crankcase modifications are needed for this cylinder kit. Compatibility: 157QMJ-based 125cc / 150cc / 169cc engines with the following engine codes: 157QMJ 161QMK 152QMI 1P61QMK YN1P57QMJ 1P52FMI 154FMI JJ157QMJ 1P57QMJ BN157QMJ BN161QMK-A Other QMJ, QMK, and QMI models Don't see your engine listed? If the engine code includes "QM" or "FM", this product is compatible with your vehicle. About Naraku: NARAKU is a professional supplier of motorcycle parts from Taiwan. We’ve sold various motorcycle parts, scooter parts and accessories for more than 10 years. Our quality products are sold to Europe, Asia and America. We supply engine parts and accessories for modern scooters and mopeds. With our advanced technologies and the superb quality of our products, we can offer everything your ride needs. This product is not intended for use on public roads or land.
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