![Top End & Piston 83/STD 11:1 Yamaha YFM400FB Big Bear 4WD [SRA] YFM400FA Kodiak 4WD [SRA] YFM400 Big Bear 2WD [SRA] YFM400FBI Big Bear 4WD [IRS] 1993-2010](https://omxsports.com/wp-content/uploads/2025/08/namura_186_4006_1-1.jpg)
![Top End & Piston 83/STD 11:1 Yamaha YFM400FB Big Bear 4WD [SRA] YFM400FA Kodiak 4WD [SRA] YFM400 Big Bear 2WD [SRA] YFM400FBI Big Bear 4WD [IRS] 1993-2010 - Image 2](https://omxsports.com/wp-content/uploads/2025/08/namura_186_4006_2-1.jpg)
Top End & Piston 83/STD 11:1 Yamaha YFM400FB Big Bear 4WD [SRA] YFM400FA Kodiak 4WD [SRA] YFM400 Big Bear 2WD [SRA] YFM400FBI Big Bear 4WD [IRS] 1993-2010
$130.95
MPN: NA-40006K YAMAHA YFM400FB BIG BEAR 4WD [SRA] YFM400FA KODIAK 4WD [SRA] YFM400 BIG BEAR 2WD [SRA] YFM400FBI BIG BEAR 4WD [IRS] 1993-2010
2 in stock
Top End Kit 83/Std 11:1 Yamaha Yfm400fb Big Bear 4wd [Sra] Yfm400fa Kodiak 4wd [Sra] Yfm400 Big Bear 2wd [Sra] Yfm400fbi Big Bear 4wd [Irs] 1993-2010 Mpn: Na-40006k
Fitment
Yamaha Yfm400fb Big Bear 4wd [Sra] 2000 2001 2002 2003 2004 2005 2006
Yamaha Yfm400fa Kodiak 4wd [Sra] 1993 1994 1995 1996 1997 1998 1999
Yamaha Yfm400 Big Bear 2wd [Sra] 2000 2001 2002 2003 2004
Yamaha Yfm400fbi Big Bear 4wd [Irs] 2007 2008 2009 2010
| Weight | 1.89 lbs |
|---|---|
| Dimensions | 9.4 × 8.1 × 4.4 in |
| Brand | NAMURA |
| MPN | NA-40006K |
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