Cylinder - and Head 58.5mm Alloy Big Bore Kit - GY6 125cc/150cc Scooter, ATV & Go-Kart

Alloy cylinder and head big bore kit for the GY6 125 &150cc engine. This performance Kit is ready to bolt on without any modification. Compatible with the Honda base GY6 Engine & China Cloned GY6 152QMI, 157QMJ. (cannot install to P152QMI, nor P157QMJ Engine).

Specifications

• 59mm Aluminum Cylinder Head, 58.5mm Aluminum Cylinder Block, High Performance A12 Camshaft, Piston and Piston Rings, Wrist Pin, Wrist Pin Clips and Gaskets.
• Cylinder diameter: 58.5mm
• Outer Sleeve diameter: 60.2mm"
• Bolt Hole Spacing: 54mm (center to center)
• Intake Valve Diameter: 28mm
• Exhaust Valve Diameter: 23mm
• Exhaust Port: 27mm
• KYMCO: GY6 125cc/150cc
• MXer GY6 125cc/150cc
• MXU GY6 125cc/150cc
• TGB GY6 125cc/150cc
• HONDA GY6 125cc/150cc
• SYM GY6 125cc/150cc
• VENTO GY6 125cc/150cc
• Phantom R4i GY6 125cc/150cc
• Yamati GY6 125cc/150cc
• Verucci GY6 125cc/150cc
• Baccio GY6 125cc/150cc
• Viva GY6 125cc/150cc
• Matrix GY6 125cc/150cc
• Wuzzi GY6 125cc/150cc
• Lifan GY6 125cc/150cc
• Clones GY6 125cc/150cc

Compatible With

• Compatible with the following GY6 125cc/150cc Engines models
• GY6 125cc/150cc 4-Stroke scooters, ATVs and go-karts

Product Details

• Kit Includes
• MADE IN CHINA
• This kit is not recommended for inexperienced installers. It is highly recommend that it's install by an experienced scooter or motorcycle mechanic. The valves may require adjusting and the timing must be properly set.
• Strada RX150