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.
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)