Home 1994 – 2001 Yamaha YZ125 Piston – Inspection 1994 - 2001 Yamaha YZ125 - Top End - Piston Inspection - Thumb

1994 – 2001 Yamaha YZ125 – Top End – Piston Inspection – Thumb

1994 - 2001 Yamaha YZ125 - Top End - Piston Inspection - Thumb
1 – This piston exhibits perfect carbon buildup, indicating that the pre-mix ratio is correct, the carburetor is tuned correctly, and the transfer ports are flowing freely.