Athena P400485100003 Standard Bore Cylinder Kit (54mm, 125cc) - Premium 2-Stroke Top End Rebuild Kit with Forged Piston & Gaskets, Compatible with Yamaha YZ125 1997-2004 Grease while the flexible oil drain

while the flexible oil drain system eliminates the fitment issues common with rigid drain tubes in conversion applications

for a comfortable riding style which will last longer

Poly Fiberglass Hammer is designed to have the most durable fiberglass handle in the industry

Installation is a breeze with the snap-on design

yet it charges in only 25 minutes for less downtime and increased productivity

Athena P400485100003 Standard Bore Cylinder Kit (54mm, 125cc) - Premium 2-Stroke Top End Rebuild Kit with Forged Piston & Gaskets, Compatible with Yamaha YZ125 1997-2004 Grease while the flexible oil drainRESTORE YOUR DIRT BIKE TO PEAK OEM PERFORMANCE Bring back the crisp throttle response, razor sharp power delivery, and high revving factory reliability of your 125cc two stroke engine with the Athena Standard Bore Cylinder Kit (Part No. P400485100003), a premium OEM style replacement package engineered and manufactured in Italy. Entirely cast from high grade aluminum and treated with a specialized Motor Nicksil (Nickel Silicon) coating, this cylinder