2-Stroke Piston Port Motor.

Standard Size Bore: 79.90mm

Cylinder # 0~5 - A Piston (Red) Bore: 79.90mm - Part # 6004DA

Cylinder # 6~10 - B Piston (Orange) Bore: 79.91mm - Part # 6004DB

Cylinder # 11~15 - C Piston (Green) Bore: 79.92mm - Part # 6004DC

Cylinder # 16~18- D Piston (Purple) Bore: 79.93mm - Part # 6004DD

Individual Piston Kit Includes; Piston, rings, wrist pin and circlips.

Fits The Following Models:

1998 Yamaha GP 800 Piston Kit
1999 Yamaha GP 800 Piston Kit
2000 Yamaha GP 800 Piston Kit
2000 Yamaha XL 800 Piston Kit
2001 Yamaha GP 800 Piston Kit
2001 Yamaha XL 800 Piston Kit
2002 Yamaha GP 800 Piston Kit
2002 Yamaha XLT 800 Piston Kit
2003 Yamaha GP 800 Piston Kit
2003 Yamaha XLT 800 Piston Kit
2004 Yamaha GP 800 Piston Kit
2004 Yamaha XLT 800 Piston Kit
2005 Yamaha GP 800 Piston Kit

Note: This item may need to be special ordered. Generic image and may not depict your actual piston kit.