Athena P400485100038 105cc Big Bore Cylinder Kit with Cylinder Head (53mm Bore) - Premium 2-Stroke Performance Upgrade, Compatible with Yamaha YZ85 2002-2018 Cut Off Tool Variable speed trigger with 0-3000

Variable speed trigger with 0-3000 spm provides increased blade control and fast cutting speed

this kit is a must-have for trail riders

Specifically designed for the updated architecture of the 2026 EXC and XC-W model lines

in addition to cutting new threads

it delivers 10

Athena P400485100038 105cc Big Bore Cylinder Kit with Cylinder Head (53mm Bore) - Premium 2-Stroke Performance Upgrade, Compatible with Yamaha YZ85 2002-2018 Cut Off Tool Variable speed trigger with 0-3000UPGRADE YOUR DIRT BIKE TO THE NEXT LEVEL OF PERFORMANCE Extract massive power, aggressive low end torque, and unmatched acceleration from your 85cc youth two stroke racing engine with the Athena Big Bore Cylinder Kit (Part No. P400485100038), a premium race proven package engineered in Italy to seamlessly convert your factory setup into a high revving, high output 105cc powerhouse. Entirely cast from high grade aluminum and treated with a specialized