![Wiseco – Powersports Piston M06800 2577CD YZ/WR250 ’88-91 [MPN: 605M06800]](https://www.partskeystone.com/wp-content/uploads/2026/03/wiseco-8211-powersports-piston-m06800-2577cd-yz-wr250-8217-88-91-mpn-605m06800-npzeygik38842.webp)
Description
WISECO ATV-DIRT BIKE PISTONS.* All Wiseco 4 cycle pistons come complete with rings, wrist pins and circlips.* Only Wiseco replacement ring sets can be used on Wiseco pistons.* All Wiseco 2 cycle pistons are supplied with rings and circlips.* Wiseco 2 cycle pistons are not supplied with a wrist pin unless noted in the description.
- Forged from high-silicon aluminum alloy for maximum product strength and dependability
- Wiseco offers a complete range of popular piston models and years for both trail and racing applications
- Durability, longevity and increased horsepower
- Innovative forging design and piston skirt provide maximum horsepower and torque
- Feature forged pistons, rings, wrist pins, and circlips
- Cylinder sleeves must be purchased separately
- Now you can own the same race parts as all the top race teams
- These high-tech piston designs offer maximum compression ratios, ultra-stiff strutted forgings, and titanium nitride-coated rings, which all add up to more power that is sustained longer
- When blow-by starts to increase on other pistons and power starts to fade, Wiseco Race Series parts continue sealing and performing
- Have additional features over standard Pro-Lite parts
- Each piston is E-Coated on the crown, ring grooves, and pin bore, for maximum wear resistance and protection from micro-welding, galling, and detonation
- GP Series parts generally have less machining on the outside, which helps seal up the bore for increased compression
- Additionally, boost ports are removed for a more predictable powerband and increased pull on the top end
- Service intervals may be increased with Racer’s Choice pistons over conventional Wiseco pistons, and are for expert racers and tuners only.
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![James Gaskets Gasket Prim Cover Beaded FLT FXR 5-Speed [MPN: JGI-34901-79-B]](https://www.partskeystone.com/wp-content/uploads/2026/03/james-gaskets-gasket-prim-cover-beaded-flt-fxr-5-speed-mpn-jgi-34901-79-b-yumckgrh06491.webp)
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