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PISTON KIT 101.99/+0.02 9.2:1 Yamaha YFM700 Raptor YFM700G Grizzly Fi 4WD [IRS] YFM700F Grizzly Fi 4WD EPS [IRS] YFM700F Grizzly Fi 4WD EPS SE [IRS] YFM700RSE Raptor SE YFM700R Raptor YXR700F Rhino 700 2006-2014
PISTON KIT 101.97/STD 9.2:1 Yamaha YFM700 Raptor YFM700G Grizzly Fi 4WD [IRS] YFM700F Grizzly Fi 4WD EPS [IRS] YFM700F Grizzly Fi 4WD EPS SE [IRS] YFM700RSE Raptor SE YFM700R Raptor YXR700F Rhino 700 2006-2014
PISTON KIT 85.45/+1.00 Yamaha YFM450FGP Grizzly 4WD EPS [IRS] YXR450F Rhino 450 YFM450FG Grizzly 4WD [IRS] YFM450FA Kodiak 4WD [IRS] YFM450FX Wolverine 4WD [SRA] 2003-2020
PISTON KIT 84.95/+0.50 Yamaha YFM450FGP Grizzly 4WD EPS [IRS] YXR450F Rhino 450 YFM450FG Grizzly 4WD [IRS] YFM450FA Kodiak 4WD [IRS] YFM450FX Wolverine 4WD [SRA] 2003-2020
PISTON KIT 84.45/STD Yamaha YFM450FGP Grizzly 4WD EPS [IRS] YXR450F Rhino 450 YFM450FG Grizzly 4WD [IRS] YFM450FA Kodiak 4WD [IRS] YFM450FX Wolverine 4WD [SRA] 2003-2020
PISTON KIT 85.42/+1.00 10.5:1 Yamaha YFM400FG Grizzly 4WD [IRS] YFM400FA Kodiak 4WD [SRA] YFM400A Kodiak 2WD [SRA] 2000-2008
PISTON KIT 84.92/+0.50 10.5:1 Yamaha YFM400FG Grizzly 4WD [IRS] YFM400FA Kodiak 4WD [SRA] YFM400A Kodiak 2WD [SRA] 2000-2008
PISTON KIT 84.42/STD 10.5:1 Yamaha YFM400FG Grizzly 4WD [IRS] YFM400FA Kodiak 4WD [SRA] YFM400A Kodiak 2WD [SRA] 2000-2008
PISTON KIT 96/+1.00 8.5:1 Yamaha XT600 TT600 YFM600FG Grizzly 4WD [SRA] 1984-2001
PISTON KIT 95.5/+0.50 8.5:1 Yamaha XT600 TT600 YFM600FG Grizzly 4WD [SRA] 1984-2001
PISTON KIT 95/STD 8.5:1 Yamaha XT600 TT600 YFM600FG Grizzly 4WD [SRA] 1984-2001
PISTON KIT 84/+1.00 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
PISTON KIT 83.5/+0.50 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
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
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
PISTON KIT 82.95/STD Yamaha Bw350 YFM350FG Grizzly 4WD [SRA] YFM350G Grizzly 2WD [SRA] YFM350FA Bruin 4WD [SRA] YFM350FX Wolverine 4WD [SRA] YFM350FGI Grizzly 4WD [IRS] YFM350X Warrior YFM350ER Moto-4 YFM250 Moto-4 YFM200DX Moto-4 YFM225 Moto-4 1987-2014
PISTON KIT 101.47/+1.50 9.2:1 Yamaha YFM660FG Grizzly 4WD [IRS] YXR660F Rhino 660 YFM660R Raptor 2001-2008
PISTON KIT 100.97/+1.00 9.2:1 Yamaha YFM660FG Grizzly 4WD [IRS] YXR660F Rhino 660 YFM660R Raptor 2001-2008
PISTON KIT 100.47/+0.50 9.2:1 Yamaha YFM660FG Grizzly 4WD [IRS] YXR660F Rhino 660 YFM660R Raptor 2001-2008
PISTON KIT 99.97/STD 9.2:1 Yamaha YFM660FG Grizzly 4WD [IRS] YXR660F Rhino 660 YFM660R Raptor 2001-2008
Namura Piston Kit Style 67.42/+1.50 11:1 Yamaha Yfs200 Blaster 1988-2006
PISTON KIT 66.92/+1.00 11:1 Yamaha YFS200 Blaster 1988-2006
PISTON KIT 66.42/+0.50 11:1 Yamaha YFS200 Blaster 1988-2006
PISTON KIT HC 67.94/+2.00 Yamaha YFS200 Blaster 1988-2006
PISTON KIT HC 66.94/+1.00 Yamaha YFS200 Blaster 1988-2006
PISTON KIT HC 66.44/+0.50 Yamaha YFS200 Blaster 1988-2006
PISTON KIT TWIN CYLINDER 64.95/+1.00 11:1 Yamaha YFZ350 Banshee 1987-2006
PISTON KIT TWIN CYLINDER 64.7/+0.75 11:1 Yamaha YFZ350 Banshee 1987-2006
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STICKER![NAMURA PISTON KIT 101.99/+0.02 9.2:1 Yamaha YFM700 Raptor YFM700G Grizzly Fi 4WD [IRS] YFM700F Grizzly Fi 4WD EPS [IRS] YFM700F Grizzly Fi 4WD EPS SE [IRS] YFM700RSE Raptor SE YFM700R Raptor YXR700F Rhino 700 2006-2014 Yamaha YFM700 Raptor 2013-2014 Yamaha YFM700G Grizzly Fi 4WD [IRS] 2007-2013 Yamaha YFM700F Grizzly Fi 4WD EPS [IRS] 2007-2013 Yamaha YFM700F Grizzly Fi 4WD EPS SE [IRS] 2009-2013 Yamaha YFM700RSE Raptor SE 2007-2014 Yamaha YFM700R Raptor 2006-2014 Yamaha YXR700F Rhino 700 2008-2013. MPN: NA-40012-C. SKU: 187-40012C.](https://motomacia.com/wp-content/uploads/2025/03/namura_piston_kit_10199__002_92_1_yam_187_40012c_1-1-500x500.jpg)
![NAMURA PISTON KIT 101.97/STD 9.2:1 Yamaha YFM700 Raptor YFM700G Grizzly Fi 4WD [IRS] YFM700F Grizzly Fi 4WD EPS [IRS] YFM700F Grizzly Fi 4WD EPS SE [IRS] YFM700RSE Raptor SE YFM700R Raptor YXR700F Rhino 700 2006-2014 Yamaha YFM700 Raptor 2013-2014 Yamaha YFM700G Grizzly Fi 4WD [IRS] 2007-2013 Yamaha YFM700F Grizzly Fi 4WD EPS [IRS] 2007-2013 Yamaha YFM700F Grizzly Fi 4WD EPS SE [IRS] 2009-2013 Yamaha YFM700RSE Raptor SE 2007-2014 Yamaha YFM700R Raptor 2006-2014 Yamaha YXR700F Rhino 700 2008-2013. MPN: NA-40012. SKU: 187-40012.](https://motomacia.com/wp-content/uploads/2025/03/namura_piston_kit_10197_std_92_1_yam_187_40012_1-1-500x500.jpg)
![NAMURA PISTON KIT 85.45/+1.00 Yamaha YFM450FGP Grizzly 4WD EPS [IRS] YXR450F Rhino 450 YFM450FG Grizzly 4WD [IRS] YFM450FA Kodiak 4WD [IRS] YFM450FX Wolverine 4WD [SRA] 2003-2020 Yamaha YFM450FGP Grizzly 4WD EPS [IRS] 2011-2014 Yamaha YXR450F Rhino 450 2006-2009 Yamaha YFM450FG Grizzly 4WD [IRS] 2007-2014 Yamaha YFM450FA Kodiak 4WD [IRS] 2003-2020 Yamaha YFM450FX Wolverine 4WD [SRA] 2006-2010. MPN: NA-40011-4. SKU: 187-400114.](https://motomacia.com/wp-content/uploads/2025/03/namura_piston_kit_8545__100_yam_187_400114_1-1-500x500.jpg)
![NAMURA PISTON KIT 84.95/+0.50 Yamaha YFM450FGP Grizzly 4WD EPS [IRS] YXR450F Rhino 450 YFM450FG Grizzly 4WD [IRS] YFM450FA Kodiak 4WD [IRS] YFM450FX Wolverine 4WD [SRA] 2003-2020 Yamaha YFM450FGP Grizzly 4WD EPS [IRS] 2011-2014 Yamaha YXR450F Rhino 450 2006-2009 Yamaha YFM450FG Grizzly 4WD [IRS] 2007-2014 Yamaha YFM450FA Kodiak 4WD [IRS] 2003-2020 Yamaha YFM450FX Wolverine 4WD [SRA] 2006-2010. MPN: NA-40011-2. SKU: 187-400112.](https://motomacia.com/wp-content/uploads/2025/03/namura_piston_kit_8495__050_yam_187_400112_1-1-500x500.jpg)
![NAMURA PISTON KIT 84.45/STD Yamaha YFM450FGP Grizzly 4WD EPS [IRS] YXR450F Rhino 450 YFM450FG Grizzly 4WD [IRS] YFM450FA Kodiak 4WD [IRS] YFM450FX Wolverine 4WD [SRA] 2003-2020 Yamaha YFM450FGP Grizzly 4WD EPS [IRS] 2011-2014 Yamaha YXR450F Rhino 450 2006-2009 Yamaha YFM450FG Grizzly 4WD [IRS] 2007-2014 Yamaha YFM450FA Kodiak 4WD [IRS] 2003-2020 Yamaha YFM450FX Wolverine 4WD [SRA] 2006-2010. MPN: NA-40011. SKU: 187-40011.](https://motomacia.com/wp-content/uploads/2025/03/namura_piston_kit_8445_std_yam_187_40011_1-1-500x500.jpg)
![NAMURA PISTON KIT 85.42/+1.00 10.5:1 Yamaha YFM400FG Grizzly 4WD [IRS] YFM400FA Kodiak 4WD [SRA] YFM400A Kodiak 2WD [SRA] 2000-2008 Yamaha YFM400FG Grizzly 4WD [IRS] 2008-2008 Yamaha YFM400FA Kodiak 4WD [SRA] 2000-2006 Yamaha YFM400A Kodiak 2WD [SRA] 2000-2004. MPN: NA-40008-4. SKU: 187-400084.](https://motomacia.com/wp-content/uploads/2025/03/namura_piston_kit_8542__100_105_1_yam_187_400084_1-1-500x500.jpg)
![NAMURA PISTON KIT 84.92/+0.50 10.5:1 Yamaha YFM400FG Grizzly 4WD [IRS] YFM400FA Kodiak 4WD [SRA] YFM400A Kodiak 2WD [SRA] 2000-2008 Yamaha YFM400FG Grizzly 4WD [IRS] 2007-2008 Yamaha YFM400FA Kodiak 4WD [SRA] 2000-2006 Yamaha YFM400A Kodiak 2WD [SRA] 2000-2004. MPN: NA-40008-2. SKU: 187-400082.](https://motomacia.com/wp-content/uploads/2025/03/namura_piston_kit_8492__050_105_1_yam_187_400082_1-1-500x500.jpg)
![NAMURA PISTON KIT 84.42/STD 10.5:1 Yamaha YFM400FG Grizzly 4WD [IRS] YFM400FA Kodiak 4WD [SRA] YFM400A Kodiak 2WD [SRA] 2000-2008 Yamaha YFM400FG Grizzly 4WD [IRS] 2007-2008 Yamaha YFM400FA Kodiak 4WD [SRA] 2000-2006 Yamaha YFM400A Kodiak 2WD [SRA] 2000-2004. MPN: NA-40008. SKU: 187-40008.](https://motomacia.com/wp-content/uploads/2025/03/namura_piston_kit_8442_std_105_1_yam_187_40008_1-500x500.gif)
![NAMURA PISTON KIT 96/+1.00 8.5:1 Yamaha XT600 TT600 YFM600FG Grizzly 4WD [SRA] 1984-2001 Yamaha XT600 1984-1995 Yamaha TT600 1984-1986 Yamaha YFM600FG Grizzly 4WD [SRA] 1998-2001. MPN: NA-40007-4. SKU: 187-400074.](https://motomacia.com/wp-content/uploads/2025/03/namura_piston_kit_96__100_85_1_yam_187_400074_1-500x500.gif)
![NAMURA PISTON KIT 95.5/+0.50 8.5:1 Yamaha XT600 TT600 YFM600FG Grizzly 4WD [SRA] 1984-2001 Yamaha XT600 1984-1995 Yamaha TT600 1984-1986 Yamaha YFM600FG Grizzly 4WD [SRA] 1998-2001. MPN: NA-40007-2. SKU: 187-400072.](https://motomacia.com/wp-content/uploads/2025/03/namura_piston_kit_955__050_85_1_yam_187_400072_1-500x500.gif)
![NAMURA PISTON KIT 95/STD 8.5:1 Yamaha XT600 TT600 YFM600FG Grizzly 4WD [SRA] 1984-2001 Yamaha XT600 1984-1995 Yamaha TT600 1984-1986 Yamaha YFM600FG Grizzly 4WD [SRA] 1998-2001. MPN: NA-40007. SKU: 187-40007.](https://motomacia.com/wp-content/uploads/2025/03/namura_piston_kit_95_std_85_1_yam_187_40007_1-500x500.gif)
![NAMURA PISTON KIT 84/+1.00 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-40006-4. SKU: 187-400064.](https://motomacia.com/wp-content/uploads/2025/03/namura_piston_kit_84__100_86_1_yam_187_400064_1-1-500x500.jpg)
![NAMURA PISTON KIT 83.5/+0.50 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-40006-2. SKU: 187-400062.](https://motomacia.com/wp-content/uploads/2025/03/namura_piston_kit_835__050_86_1_yam_187_400062_1-1-500x500.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_1-1-500x500.jpg)
![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_1-1-500x500.jpg)
![NAMURA PISTON KIT 82.95/STD Yamaha Bw350 YFM350FG Grizzly 4WD [SRA] YFM350G Grizzly 2WD [SRA] YFM350FA Bruin 4WD [SRA] YFM350FX Wolverine 4WD [SRA] YFM350FGI Grizzly 4WD [IRS] YFM350X Warrior 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 1987-1993 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. SKU: 187-40005.](https://motomacia.com/wp-content/uploads/2025/03/namura_piston_kit_8295_std_yam_187_40005_1-500x500.gif)
![NAMURA PISTON KIT 101.47/+1.50 9.2:1 Yamaha YFM660FG Grizzly 4WD [IRS] YXR660F Rhino 660 YFM660R Raptor 2001-2008 Yamaha YFM660FG Grizzly 4WD [IRS] 2002-2008 Yamaha YXR660F Rhino 660 2004-2007 Yamaha YFM660R Raptor 2001-2005. MPN: NA-40004-6. SKU: 187-400046.](https://motomacia.com/wp-content/uploads/2025/03/namura_piston_kit_10147__150_92_1_yam_187_400046_1-1-500x500.jpg)
![NAMURA PISTON KIT 100.97/+1.00 9.2:1 Yamaha YFM660FG Grizzly 4WD [IRS] YXR660F Rhino 660 YFM660R Raptor 2001-2008 Yamaha YFM660FG Grizzly 4WD [IRS] 2002-2008 Yamaha YXR660F Rhino 660 2004-2007 Yamaha YFM660R Raptor 2001-2005. MPN: NA-40004-4. SKU: 187-400044.](https://motomacia.com/wp-content/uploads/2025/03/namura_piston_kit_10097__100_92_1_yam_187_400044_1-1-500x500.jpg)
![NAMURA PISTON KIT 100.47/+0.50 9.2:1 Yamaha YFM660FG Grizzly 4WD [IRS] YXR660F Rhino 660 YFM660R Raptor 2001-2008 Yamaha YFM660FG Grizzly 4WD [IRS] 2002-2008 Yamaha YXR660F Rhino 660 2004-2007 Yamaha YFM660R Raptor 2001-2005. MPN: NA-40004-2. SKU: 187-400042.](https://motomacia.com/wp-content/uploads/2025/03/namura_piston_kit_10047__050_92_1_yam_187_400042_1-1-500x500.jpg)
![NAMURA PISTON KIT 99.97/STD 9.2:1 Yamaha YFM660FG Grizzly 4WD [IRS] YXR660F Rhino 660 YFM660R Raptor 2001-2008 Yamaha YFM660FG Grizzly 4WD [IRS] 2002-2008 Yamaha YXR660F Rhino 660 2004-2007 Yamaha YFM660R Raptor 2001-2005. MPN: NA-40004. SKU: 187-40004.](https://motomacia.com/wp-content/uploads/2025/03/namura_piston_kit_9997_std_92_1_yam_187_40004_1-500x500.gif)
