Wiseco 93-12 Yamaha YFM400 Kodiak/Big Bear (4676M) Piston Kit - PK1778
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Wiseco 93-12 Yamaha YFM400 Kodiak/Big Bear (4676M) Piston Kit - PK1778
Wiseco 93-12 Yamaha YFM400 Kodiak/Big Bear (4676M) Piston Kit - PK1778 is a Wiseco engine component for powersports top-end service, performance builds, or engine refresh work. The listing is organized around the exact Wiseco part number and available application data so bore, compression, model, and engine-generation details are easier to verify before ordering.
Key Features & Technical Details
- Engine Type: 2-stroke
- Premium materials produce the best sealing technology available exceeding O.E.M.
- 2-Stroke: Wiseco top end gasket kit; Dedicated forging; Superior strength/weight ratio utilizing Aerospace alloy; Race-proven designs; Chosen by top race teams, in all forms of racing; CNC machined; Optimal...
- 4-Stroke: Wiseco top end gasket kit; Premium materials produce the best sealing technology available, exceeding O.E.M.
- standards; Dedicated forging; Superior strength/weight ratio utilizing Aerospace alloy; Dome design; Improved flame travel; Chrome plated piston pin; Horizontal slot pin oiling; Reduced friction/scuff...
Product Details
- Brand: Wiseco
- Manufacturer Part Number: PK1778
- Product Type: Piston Kit
- Vehicle Focus: Powersports
- Engine Type: 2-stroke
Vehicle Fitment
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2002-2004 | Yamaha | YFM400 Big Bear 2x4 | Base |
| 2002-2006 | Yamaha | YFM400 Big Bear 4x4 | Base |
| 2007-2012 | Yamaha | YFM400 Big Bear IRS 4x4 | Base |
| 1993-1999 | Yamaha | YFM400F Kodiak 4x4 | Base |
Engine internals need to be right the first time. Steel Steeds organizes Wiseco parts around exact manufacturer part numbers, technical specifications, and available machine fitment so you can compare rebuild components with less guesswork. Our powersports-focused support can also help you review the listing details before ordering.
Once your Steel Steeds gear leaves our warehouse, it typically arrives at your doorstep within 2–4 business days, unless otherwise noted. We partner with trusted shipping carriers to ensure your off-road essentials get to you fast and hassle-free. So gear up with confidence—your next big adventure is just around the corner!
Changed your mind? No problem. Most new, unused, and uninstalled items can be returned within 30 days of delivery.
We do not charge a standard restocking fee. Customers are responsible for return shipping unless the item arrived damaged, defective, or incorrect.
Items must be returned in original packaging and in resalable condition.
We are committed to providing quality products and stand behind our items with a warranty. Exact coverage may vary, so please refer to our warranty page for more details!
