The WISECO Piston Kit is designed for all-purpose 2-stroke riding and is engineered to support durability, longevity, and increased horsepower. Its dedicated forging design provides strength-to-weight optimization, while extra lightening operations are intended to enhance throttle response.
Engineered, forged, and machined in the USA, this piston is made in the USA. The 66.40 mm piston kit is identified by manufacturer part number 857M06640 and distributor part number 09103962.
This piston kit fits select KTM applications, including the 2000 KTM 250 EXC, 2001 KTM 250 EXC, 2002 KTM 250 EXC, and 2003 KTM 250 EXC, as well as the 2000 KTM 250 MXC, 2001 KTM 250 MXC, 2002 KTM 250 MXC, 2003 KTM 250 MXC, 2004 KTM 250 MXC, and 2005 KTM 250 MXC.
Features:
- Application: Designed for all-purpose 2-stroke riding
- Performance: Supports durability, longevity, and increased horsepower
- Construction: Dedicated forging design for strength-to-weight optimization
- Throttle Response: Extra lightening operations are intended to enhance throttle response
- Manufacturing: Engineered, forged, and machined in the USA
- Piston Size: 66.40 mm
- Fitment: Fits select 2000–2003 KTM 250 EXC and 2000–2005 KTM 250 MXC applications
Fitment:
2000 KTM 250 EXC
2000 KTM 250 MXC
2001 KTM 250 EXC
2001 KTM 250 MXC
2002 KTM 250 EXC
2002 KTM 250 MXC
2003 KTM 250 EXC
2003 KTM 250 MXC
2004 KTM 250 EXC
2004 KTM 250 MXC
2005 KTM 250 EXC
2005 KTM 250 MXC