G- Cylinder 63mm 180cc Big Bore Kit w/Cast Piston Fit 54mm (GY6)

Description: High-Quality Cylinder 63mm 180cc Big Bore Kit with Cast Aluminum Piston for GY6 125/150cc + engines. The cylinder bore is 63mm. 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 (Hi and Low compression base gaskets, steelhead gasket), Wrist pin, and Circlips.

•    1x Cast-Alumin Piston: 63mm
•    5x Piston Rings: 63mm
•    1x Wrist Pin 43x15x9.85mm w/G-Clips 
•    1x Cast-Iron Cylinder: 63mm 
•    Outer Sleeve Diameter: 65mm
•    Cylinder Height: 69mm
•    Overall Height: 90mm
•    Fit Intake Studs: M6 / Nuts: M6 / Socket: 10mm
•    Fit Exhaust Studs: M8 / Nuts: M8 / Socket: 12mm
•    Fit Cylinder Studs: 195mm 203mm / Nuts: M8 / Washers: M8 / Side Bolts: M6 / Socket: 8mm-12mm
•    Fit 54mm Stud Spacing (A-Block)
•    Fit 54mm Rocker Arm 2V Assembly
•    Fit Crankshaft 57.8mm +8.2mm
•    Fit Dowel Pin Set (10x14mm)
•    Fit Cam Chain 46 (92) links
•    Fit Chain Guide (standard)
•    Fit 54mm Cylinder Head 59mm to 63mm 2V
•    Fit GY6 125/150cc+ BORE
•    Optional: cut plastic fan shroud for best fitment

Supported Models: GY6 Crankcase (Part# 1100-1418); GY6 152QMI 157QMJ Chinese Scooter, ATV, Genuine Buddy, Kymco, Ruckus, Vento

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Item Weight & Package Dimensions:
•    2.593 pounds | 6.25" (L) x 5.45" (W) x 4.65" (H)