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 precision‑fit installation with heavy‑duty steel

precision‑fit installation with heavy‑duty steel construction and stable load distribution for reliable off‑road performance

Inspired by the rugged landscapes and carefree vibes of the American West

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

The formula used is reinforced with Extreme Pressure Additives to protect the gearbox

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 precision‑fit installation with heavy‑duty steelRESTORE 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