ProX Piston Kit 40.00mm Yamaha MJ50/PW50 | 01.2005.000 Built - 2025.12 The 2" forward offset gives

The 2" forward offset gives you some crazy tire clearance - you have room for way bigger tires than stock

The power delivery is much stronger and more tractable than stock but still super smooth and suits a wide range of riding conditions

the Squadron Pro LED light kit produces 4

(4) M4 x 30mm Machine Screws

Ventilation zips ensure a seamless airflow and a snug fit

ProX Piston Kit 40.00mm Yamaha MJ50/PW50 | 01.2005.000 Built - 2025.12 The 2" forward offset givesPrecision machined on state of the art CNC equipment Oversized options follow manufacturer piston to cylinder wall clearances Kit includes piston, ring kit, wrist pin, and circlips