Athena P400485100029 144cc Big Bore Cylinder Kit with Cylinder Head (58mm Bore) - Premium 2-Stroke Performance Upgrade, Compatible with Yamaha YZ125 1997-2004 Tool Equipped with a 4-inch wide

Equipped with a 4-inch wide scraping blade

The classic unisex design ensures a flattering fit for all body types

making it compact for easy storage and transportation

these tires are perfect for riders who demand durability

There are printed scales on the level's topside for accurate layout and quick set ups

Athena P400485100029 144cc Big Bore Cylinder Kit with Cylinder Head (58mm Bore) - Premium 2-Stroke Performance Upgrade, Compatible with Yamaha YZ125 1997-2004 Tool Equipped with a 4-inch wideUPGRADE YOUR DIRT BIKE TO THE NEXT LEVEL OF PERFORMANCE Extract massive power, aggressive low end torque, and unmatched acceleration from your 125cc two stroke racing engine with the Athena Big Bore Cylinder Kit (Part No. P400485100029), 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 with a specialized Motor