Athena P400485100008 Standard Bore Cylinder Kit (54mm, 125cc) - Premium 2-Stroke Top End Rebuild Kit with Forged Piston & Gaskets, Compatible with Yamaha YZ125 2001-2004 Fans The bit tips are CNC-machined

The bit tips are CNC-machined

adding a touch of personalization to your gear

Variable flutes remove dust faster

Twin Air Dual Stage Foam Air Filter for Honda Dirt Bikes – Fits CR125/CR250 2002–2008 – For PowerFlow Kit – High-Performance Foam Filter- Off-Road Motocross Filter(OEM Part # 17213-KZ4-J40)

Variable speed trigger and dial provide precise speed control

Athena P400485100008 Standard Bore Cylinder Kit (54mm, 125cc) - Premium 2-Stroke Top End Rebuild Kit with Forged Piston & Gaskets, Compatible with Yamaha YZ125 2001-2004 Fans The bit tips are CNC-machinedRESTORE 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. P400485100008), 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