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

This kit has an EGR / PAIR pulse breather hole built into the exhaust flow port. It's designed to control emissions by lower HC and CO emissions. If your head is equipped with a chrome pipe on the valave cover, then this is the correct head kit for your 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

• Fits the 150cc, GY6 152QMI, 157QMJ engine with EGR / PAIR system only
• 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)
• 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