Athena P400485100030 144cc Big Bore Cylinder Kit with Cylinder Head (58mm Bore) - Premium 2-Stroke Performance Upgrade, Compatible with Yamaha YZ125 2005-2021 Warn VR EVO Featuring a running speed up

Featuring a running speed up to 2800 RPM with 1400 in

pair it with the MASSFX Pit Viper wheels

Perfect for mechanics

you can push the limits of your ride with peace of mind

Ride with confidence using the Pirelli Scorpion Sport XC RC 29x2

Athena P400485100030 144cc Big Bore Cylinder Kit with Cylinder Head (58mm Bore) - Premium 2-Stroke Performance Upgrade, Compatible with Yamaha YZ125 2005-2021 Warn VR EVO Featuring a running speed upUPGRADE YOUR DIRT BIKE TO THE NEXT LEVEL OF PERFORMANCE Extract massive power, aggressive low end torque, and unmatched acceleration from your modern aluminum frame 125cc two stroke racing engine with the Athena Big Bore Cylinder Kit (Part No. P400485100030), a premium race proven package engineered in Italy to seamlessly convert your factory setup into a high revving, high output 144cc powerhouse. Entirely cast from high grade aluminum and treated