KOSO NORTH AMERICA Valve Head Kit Grom 2014-2020/Z125M Monkey 2019-2020 MC623000 909 Twins Slip-On Mufflers Graves Motorsports Yamaha R1 Upper

Graves Motorsports Yamaha R1 Upper Shock Mount 09-14

High beam light

Very low energy consumption means more engine power at your disposal

Diamond Shaped Silencer Design (Carbon Fiber silencer body with Titanium End Cap)

Matching Number plate backgrounds available separately

KOSO NORTH AMERICA Valve Head Kit Grom 2014-2020/Z125M Monkey 2019-2020 MC623000 909 Twins Slip-On Mufflers Graves Motorsports Yamaha R1 UpperIdeal engine part to complete Koso's big bore kit Unique four valve design increases air flow and performance Provides more power and torque Features a forged piston, stainless steel 24 mm intake valves and 20 mm exhaust valves 2019 2020 Honda Z125M Monkey 2014 2020 Honda MSX125 Grom