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STICKER![NAMURA PISTON KIT 83/STD 8.6:1 Yamaha YFM400FB Big Bear 4WD [SRA] YFM400FA Kodiak 4WD [SRA] YFM400 Big Bear 2WD [SRA] YFM400FBI Big Bear 4WD [IRS] 1993-2012 Yamaha YFM400FB Big Bear 4WD [SRA] 2000-2006 Yamaha YFM400FA Kodiak 4WD [SRA] 1993-1998 Yamaha YFM400 Big Bear 2WD [SRA] 2000-2004 Yamaha YFM400FBI Big Bear 4WD [IRS] 2007-2012. MPN: NA-40006. SKU: 187-40006.](https://motomacia.com/wp-content/uploads/2025/03/namura_piston_kit_83_std_86_1_yam_187_40006_1-100x100.gif)
![NAMURA PISTON KIT 83.45/+0.50 Yamaha Bw350 YFM350FG Grizzly 4WD [SRA] YFM350G Grizzly 2WD [SRA] YFM350FA Bruin 4WD [SRA] YFM350FX Wolverine 4WD [SRA] YFM350FGI Grizzly 4WD [IRS] YFM350X Warrior YFM350FW Big Bear 4WD [SRA] YFM350R Raptor YFM350U Big Bear 2WD [SRA] YFM350ER Moto-4 YFM250 Moto-4 YFM200DX Moto-4 YFM225 Moto-4 1987-2014 Yamaha Bw350 1987-1988 Yamaha YFM350FG Grizzly 4WD [SRA] 2007-2014 Yamaha YFM350G Grizzly 2WD [SRA] 2007-2012 Yamaha YFM350FA Bruin 4WD [SRA] 2004-2006 Yamaha YFM350FX Wolverine 4WD [SRA] 1995-2005 Yamaha YFM350FGI Grizzly 4WD [IRS] 2007-2012 Yamaha YFM350X Warrior 1987-2004 Yamaha YFM350FW Big Bear 4WD [SRA] 1987-1998 Yamaha YFM350R Raptor 2004-2013 Yamaha YFM350U Big Bear 2WD [SRA] 1996-1998 Yamaha YFM350ER Moto-4 1987-1995 Yamaha YFM250 Moto-4 1989-1991 Yamaha YFM200DX Moto-4 1987-1989 Yamaha YFM225 Moto-4 1987-1988. MPN: NA-40005-2. SKU: 187-400052.](https://motomacia.com/wp-content/uploads/2025/03/namura_piston_kit_8345__050_yam_187_400052_1-1-100x100.jpg)
![NAMURA PISTON KIT 83.95/+1.00 Yamaha Bw350 YFM350FG Grizzly 4WD [SRA] YFM350G Grizzly 2WD [SRA] YFM350FA Bruin 4WD [SRA] YFM350FX Wolverine 4WD [SRA] YFM350FGI Grizzly 4WD [IRS] YFM350X Warrior YFM350FW Big Bear 4WD [SRA] YFM350R Raptor YFM350U Big Bear 2WD [SRA] YFM350ER Moto-4 YFM250 Moto-4 YFM200DX Moto-4 YFM225 Moto-4 1987-2014 Yamaha Bw350 1987-1988 Yamaha YFM350FG Grizzly 4WD [SRA] 2007-2014 Yamaha YFM350G Grizzly 2WD [SRA] 2007-2012 Yamaha YFM350FA Bruin 4WD [SRA] 2004-2006 Yamaha YFM350FX Wolverine 4WD [SRA] 1995-2005 Yamaha YFM350FGI Grizzly 4WD [IRS] 2007-2012 Yamaha YFM350X Warrior 1987-2004 Yamaha YFM350FW Big Bear 4WD [SRA] 1987-1998 Yamaha YFM350R Raptor 2004-2013 Yamaha YFM350U Big Bear 2WD [SRA] 1996-1998 Yamaha YFM350ER Moto-4 1987-1995 Yamaha YFM250 Moto-4 1989-1991 Yamaha YFM200DX Moto-4 1987-1989 Yamaha YFM225 Moto-4 1987-1988. MPN: NA-40005-4. SKU: 187-400054.](https://motomacia.com/wp-content/uploads/2025/03/namura_piston_kit_8395__100_yam_187_400054_1-1.jpg)
PISTON KIT 83.95/+1.00 Yamaha Bw350 YFM350FG Grizzly 4WD [SRA] YFM350G Grizzly 2WD [SRA] YFM350FA Bruin 4WD [SRA] YFM350FX Wolverine 4WD [SRA] YFM350FGI Grizzly 4WD [IRS] YFM350X Warrior YFM350FW Big Bear 4WD [SRA] YFM350R Raptor YFM350U Big Bear 2WD [SRA] YFM350ER Moto-4 YFM250 Moto-4 YFM200DX Moto-4 YFM225 Moto-4 1987-2014
$104.45
MPN: NA-40005-4 YAMAHA BW350 YFM350FG GRIZZLY 4WD [SRA] YFM350G GRIZZLY 2WD [SRA] YFM350FA BRUIN 4WD [SRA] YFM350FX WOLVERINE 4WD [SRA] YFM350FGI GRIZZLY 4WD [IRS] YFM350X WARRIOR YFM350FW BIG BEAR 4WD [SRA] YFM350R RAPTOR YFM350U BIG BEAR 2WD [SRA] YFM350ER MOTO-4 YFM250 MOTO-4 YFM200DX MOTO-4 YFM225 MOTO-4 1987-2014
In stock
Piston Kit 83.95/+1.00 Yamaha Bw350 Yfm350fg Grizzly 4wd [Sra] Yfm350g Grizzly 2wd [Sra] Yfm350fa Bruin 4wd [Sra] Yfm350fx Wolverine 4wd [Sra] Yfm350fgi Grizzly 4wd [Irs] Yfm350x Warrior Yfm350fw Big Bear 4wd [Sra] Yfm350r Raptor Yfm350u Big Bear 2wd [Sra] Yfm350er Moto-4 Yfm250 Moto-4 Yfm200dx Moto-4 Yfm225 Moto-4 1987-2014 Mpn: Na-40005-4
Fitment
Yamaha Bw350 1987 1988
Yamaha Yfm350fg Grizzly 4wd [Sra] 2007 2008 2009 2010 2011 2012 2013 2014
Yamaha Yfm350g Grizzly 2wd [Sra] 2007 2008 2009 2010 2011 2012
Yamaha Yfm350fa Bruin 4wd [Sra] 2004 2005 2006
Yamaha Yfm350fx Wolverine 4wd [Sra] 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005
Yamaha Yfm350fgi Grizzly 4wd [Irs] 2007 2008 2009 2010 2011 2012
Yamaha Yfm350x Warrior 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004
Yamaha Yfm350fw Big Bear 4wd [Sra] 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998
Yamaha Yfm350r Raptor 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013
Yamaha Yfm350u Big Bear 2wd [Sra] 1996 1997 1998
Yamaha Yfm350er Moto-4 1987 1988 1989 1990 1991 1992 1993 1994 1995
Yamaha Yfm250 Moto-4 1989 1990 1991
Yamaha Yfm200dx Moto-4 1987 1988 1989
Yamaha Yfm225 Moto-4 1987 1988
| Weight | 0.6468 lbs |
|---|---|
| Dimensions | 3.74 × 3.74 × 4.13 in |
| MPN | |
| UPC | 758891086077 |
Brand
NAMURA
| Make | Model | Year |
|---|---|---|
| Yamaha | Bw350 | 1987 - 1988 |
| Yamaha | YFM200DX Moto-4 | 1987 - 1989 |
| Yamaha | YFM225 Moto-4 | 1987 - 1988 |
| Yamaha | YFM250 Moto-4 | 1989 - 1991 |
| Yamaha | YFM350ER Moto-4 | 1987 - 1995 |
| Yamaha | YFM350FA Bruin 4WD [SRA] | 2004 - 2006 |
| Yamaha | YFM350FG Grizzly 4WD [SRA] | 2007 - 2014 |
| Yamaha | YFM350FGI Grizzly 4WD [IRS] | 2007 - 2012 |
| Yamaha | YFM350FW Big Bear 4WD [SRA] | 1987 - 1998 |
| Yamaha | YFM350FX Wolverine 4WD [SRA] | 1995 - 2005 |
| Yamaha | YFM350G Grizzly 2WD [SRA] | 2007 - 2012 |
| Yamaha | YFM350R Raptor | 2004 - 2013 |
| Yamaha | YFM350U Big Bear 2WD [SRA] | 1996 - 1998 |
| Yamaha | YFM350X Warrior | 1987 - 2004 |
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