Naraku Cylinder 63mm 180cc Big Bore Kit w/Forged Piston Fit 54mm (GY6)

Description: High-Quality Naraku Cast-Iron Cylinder 63mm 180cc with Forged Aluminum Piston offer better durability and reduced friction for GY6 125/150cc + engines. The cylinder bore is 63mm. Naraku 63mm Cylinder Big Bore Kit is suitable for all air-cooled 4 strokes 125-150cc Kymco engines (scooters), and most Chinese imported vehicles 125/150cc (scooters, quads, and buggies).

NOTE: Boring and machining required.

Specifications:

Includes the following Cylinder, Piston + Rings, Gaskets (chain tensioner gasket, base gasket, steel head gasket, steel exhaust gasket), Wrist pin, and Circlips.

•    63mm Forged-Alumin Piston
•    63mm Piston Rings
•    63mm Cast-Iron Cylinder
•    64.9mm Outer Sleeve Diameter
•    69mm Cylinder Height
•    90mm Overall Height
•    Fit Cam Chain 45 (90) links
•    Fit Chain Guide (standard)
•    Fit Crankshaft 57.8mm +2.5mm
•    Fit Stud Set- 187mm 195mm
•    Fit Dowel Pin Set (10x14mm)
•    Fit 54mm Stud Spacing (A-Block)
•    Fit 54mm Cylinder Head 63mm 2V
•    Fit GY6 125/150cc+ BORE
•    Optional: cut plastic fan shroud for best fitment

Supported Models: GY6 152QMI 157QMJ Chinese Scooter, ATV, Genuine Buddy, Kymco, Ruckus, Vento

-----
Item Weight & Package Dimensions:
•   4 pounds | 5.422" (L) x 5" (W) x 3.536" (H)