61mm Cylinder Kit for 161QMK "200cc" GY6 4-stroke engine powered buggies and ATVs with larger cylinder stud spacing than standard GY6 engines (please see specs). Includes cylinder, piston, pin, circlips, rings, chain tensioner gasket, head gasket and base gasket.

• Bore: 61mm
• Cylinder Stud Spacing (Diagonal): 79mm
• Overall Height: 88.75mm 
• Cylinder Sleeve Outer Diameter: 64.25mm
• Piston Pin Diameter: 15mm
• Piston Pin Length: 47.5mm