Description
| Specifications | |
|---|---|
| Part: | Top End Kit |
| Size: | 84 mm |
| Oversize: | +1.00 mm |
| Piston Type: | Cast |
| Compression Ratio: | 8.6:1 |
Product Features
- Anodized piston head increases strength and heat dissapation.
- MOST Namura pistons feature a machined head which helps reduce carbon build-up and reflect heat.
- All components are manufactured to OE-specs.
- Paper gaskets are composed of non-asbestos Nitrile Butadiene bonded cellulose fiber materials, which maintain their tensile strength and torque retention in operating conditions over 300F.
- Seals and O-rings are made of either NBR, Fluoroviton, or Silicone. Each material is selected based on the following chacteristics: Temperature resistance, abrasion resistance, chemical resistance, and their Aniline Point. In certain applications a Teflon coating is also applied to prolong service life.
Fits:
| Make | Model | Year | Note |
|---|---|---|---|
| Yamaha | Big Bear 400 YFM400 | 2000-2002 | 8.6:1 Compression |
| Yamaha | Big Bear 400 YFM400 | 2004 | 8.6:1 Compression |
| Yamaha | Big Bear 400 YFM400F 4×4 | 2000-2002 | 8.6:1 Compression |
| Yamaha | Big Bear 400 YFM400F 4×4 | 2004-2006 | 8.6:1 Compression |
| Yamaha | Big Bear 400 YFM400FB 4×4 IRS | 2007-2012 | 8.6:1 Compression |
| Yamaha | Big Bear 400 YFM400FBE 4×4 Exploring Edition IRS | 2007 | 8.6:1 Compression |
| Yamaha | Big Bear 400 YFM400FBH 4×4 Hunter Edition | 2008-2012 | 8.6:1 Compression |
| Yamaha | Big Bear 400 YFM400FBH 4×4 Hunter Edition IRS | 2007 | 8.6:1 Compression |
| Yamaha | Big Bear 400 YFM400FBH 4×4 Hunter Edition IRS | 2010 | 8.6:1 Compression |
| Yamaha | Big Bear 400 YFM400FH 4×4 Hunter Edition | 2000-2002 | 8.6:1 Compression |
| Yamaha | Big Bear 400 YFM400FW 4×4 | 2003 | 8.6:1 Compression |
| Yamaha | Big Bear 400 YFM400H Hunter Edition | 2001-2002 | 8.6:1 Compression |
| Yamaha | Big Bear 400 YFM400N | 2003 | 8.6:1 Compression |
| Yamaha | Kodiak 400 YFM400FW 4×4 | 1993-1999 | 8.6:1 Compression |
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