The WISECO Forged 4-Stroke Piston Kit is designed for specific Yamaha engine applications and built to tight tolerances for a balance of performance and strength. Its dedicated forging is engineered for an optimized strength-to-weight ratio and suitability for multiple-purpose riding.
This 47.50 mm piston kit includes the piston, wrist pin, rings and circlips. The manufacturer part number is 4840M04750. Distributor part number: 09100369.
Fitment includes the 2000–2002 Yamaha TTR90, 2003–2006 Yamaha TTR90E, and 2004–2007 Yamaha TT-R 90 as listed: 2000 Yamaha TTR90, 2001 Yamaha TTR90, 2002 Yamaha TTR90, 2003 Yamaha TTR90E, 2004 Yamaha TTR90E, 2004 Yamaha TT-R 90, 2005 Yamaha TTR90E, 2006 Yamaha TTR90E, 2006 Yamaha TT-R 90, and 2007 Yamaha TT-R 90.
Features:
- Forged 4-stroke piston designed for specific engine applications
- Built to tight tolerances for performance and strength
- Dedicated forging supports an optimized strength-to-weight ratio
- Designed for multiple-purpose riding
- 47.50 mm piston size
- Kit includes piston, wrist pin, rings and circlips
- Manufacturer part number: 4840M04750
- Distributor part number: 09100369
Fitment:
2000 Yamaha TTR90
2001 Yamaha TTR90
2002 Yamaha TTR90
2003 Yamaha TTR90
2003 Yamaha TTR90E
2004 Yamaha TT-R 90
2004 Yamaha TTR90E
2005 Yamaha TT-R 90
2005 Yamaha TTR90E
2006 Yamaha TT-R 90
2006 Yamaha TTR90E
2007 Yamaha TT-R 90
2007 Yamaha TTR90E