Fit the models:
| YAMAHA |
350 MOTO-4 |
1987-1995 |
| YAMAHA |
350ER MOTO-4 |
1987-1995 |
| YAMAHA |
BIG BEAR 350 2X4 |
1987-1999 |
| YAMAHA |
BIG BEAR 350 4X4 |
1987-1999 |
| YAMAHA |
BRUIN 350 2X4 |
2004-2006 |
| YAMAHA |
BRUIN 350 4X4 |
2004-2006 |
| YAMAHA |
GRIZZLY 350 2X4 |
2007-2014 |
| YAMAHA |
GRIZZLY 350 4X4 |
2007-2014 |
| YAMAHA |
GRIZZLY 350 IRS 4X4 |
2007-2011 |
| YAMAHA |
RAPTOR 350 |
2004-2013 |
| YAMAHA |
WARRIOR 350 |
1987-2004 |
| YAMAHA |
WOLVERINE 350 2X4 |
1995-2009 |
| YAMAHA |
WOLVERINE 350 4X4 |
1995-2006 |

N. amura Technologies offers a wide variety of pistons, rings, gaskets, connecting rods and bearings for today's PWC, MX, ATV, UTV and Off-Road riders.
| Brand |
Model |
Year |
Name |
CC |
| YAMAHA |
YFM |
1987 |
Moto-4 |
350 |
| YAMAHA |
YFM |
1988 |
Moto-4 |
350 |
| YAMAHA |
YFM |
1989 |
Moto-4 |
350 |
| YAMAHA |
YFM |
1990 |
Moto-4 |
350 |
| YAMAHA |
YFM |
1991 |
Moto-4 |
350 |
| YAMAHA |
YFM |
1992 |
Moto-4 |
350 |
| YAMAHA |
YFM |
1993 |
Moto-4 |
350 |
| YAMAHA |
YFM |
1994 |
Moto-4 |
350 |
| YAMAHA |
YFM |
1995 |
Moto-4 |
350 |
| YAMAHA |
YFM |
1987 |
Big Bear |
350 |
| YAMAHA |
YFM |
1988 |
Big Bear |
350 |
| YAMAHA |
YFM |
1989 |
Big Bear |
350 |
| YAMAHA |
YFM |
1990 |
Big Bear |
350 |
| YAMAHA |
YFM |
1991 |
Big Bear |
350 |
| YAMAHA |
YFM |
1992 |
Big Bear |
350 |
| YAMAHA |
YFM |
1992 |
Big Bear Maine & New Hampshire |
350 |
| YAMAHA |
YFM |
1993 |
Big Bear |
350 |
| YAMAHA |
YFM |
1993 |
Big Bear Maine & New Hampshire |
350 |
| YAMAHA |
YFM |
1994 |
Big Bear |
350 |
| YAMAHA |
YFM |
1994 |
Big Bear Maine & New Hampshire |
350 |
| YAMAHA |
YFM |
1995 |
Big Bear |
350 |
| YAMAHA |
YFM |
1995 |
Big Bear Maine & New Hampshire |
350 |
| YAMAHA |
YFM |
1996 |
Big Bear |
350 |
| YAMAHA |
YFM |
1996 |
Big Bear Maine & New Hampshire |
350 |
| YAMAHA |
YFM |
1996 |
Big Bear |
350 |
| YAMAHA |
YFM |
1996 |
Big Bear Maine & New Hampshire |
350 |
| YAMAHA |
YFM |
1997 |
Big Bear |
350 |
| YAMAHA |
YFM |
1997 |
Big Bear Maine & New Hampshire |
350 |
| YAMAHA |
YFM |
1997 |
Big Bear |
350 |
| YAMAHA |
YFM |
1997 |
Big Bear Maine & New Hampshire |
350 |
| YAMAHA |
YFM |
1997 |
Big Bear |
350 |
| YAMAHA |
YFM |
1997 |
Big Bear Maine & New Hampshire |
350 |
| YAMAHA |
YFM |
1998 |
Big Bear |
350 |
| YAMAHA |
YFM |
1998 |
Big Bear |
350 |
| YAMAHA |
YFM |
1999 |
Big Bear |
350 |
| YAMAHA |
YFM |
1999 |
Big Bear Hunter |
350 |
| YAMAHA |
YFM |
1999 |
Big Bear |
350 |
| YAMAHA |
YFM |
1999 |
Big Bear |
350 |
| YAMAHA |
YFM |
2008 |
Grizzly |
350 |
| YAMAHA |
YFM |
2009 |
Grizzly |
350 |
| YAMAHA |
YFM |
2009 |
Grizzly |
350 |
| YAMAHA |
YFM |
2010 |
Grizzly |
350 |
| YAMAHA |
YFM |
2010 |
Grizzly |
350 |
| YAMAHA |
YFM |
1987 |
Warrior |
350 |
| YAMAHA |
YFM |
1988 |
Warrior |
350 |
| YAMAHA |
YFM |
1989 |
Warrior |
350 |
| YAMAHA |
YFM |
1990 |
Warrior |
350 |
| YAMAHA |
YFM |
1991 |
Warrior |
350 |
| YAMAHA |
YFM |
1992 |
Warrior |
350 |
| YAMAHA |
YFM |
1993 |
Warrior |
350 |
| YAMAHA |
YFM |
1994 |
Warrior |
350 |
| YAMAHA |
YFM |
1995 |
Warrior |
350 |
| YAMAHA |
YFM |
1996 |
Warrior |
350 |
| YAMAHA |
YFM |
1997 |
Warrior |
350 |
| YAMAHA |
YFM |
1998 |
Warrior |
350 |
| YAMAHA |
YFM |
1999 |
Warrior |
350 |
| YAMAHA |
YFM |
2000 |
Warrior |
350 |
| YAMAHA |
YFM |
2001 |
Warrior |
350 |
| YAMAHA |
YFM |
2002 |
Warrior |
350 |
| YAMAHA |
YFM |
2003 |
Warrior |
350 |
| YAMAHA |
YFM |
2004 |
Warrior |
350 |
| YAMAHA |
YFM |
1995 |
Wolverine |
350 |
| YAMAHA |
YFM |
1996 |
Wolverine |
350 |
| YAMAHA |
YFM |
1997 |
Wolverine |
350 |
| YAMAHA |
YFM |
1998 |
Wolverine |
350 |
| YAMAHA |
YFM |
1999 |
Wolverine |
350 |
| YAMAHA |
YFM |
2000 |
Wolverine |
350 |
| YAMAHA |
YFM |
2001 |
Wolverine |
350 |
| YAMAHA |
YFM |
2002 |
Wolverine |
350 |
| YAMAHA |
YFM |
2003 |
Wolverine |
350 |
| YAMAHA |
YFM |
2004 |
Wolverine |
350 |
| YAMAHA |
YFM |
2005 |
Wolverine |
350 |
| YAMAHA |
YFM |
2006 |
Wolverine Sport |
350 |
| YAMAHA |
YFM |
2007 |
Wolverine Sport |
350 |
| YAMAHA |
YFM |
2008 |
Wolverine Sport |
350 |
| YAMAHA |
YFM |
2009 |
Wolverine Sport |
350 |
| YAMAHA |
YFM |
2004 |
Bruin |
350 |
| YAMAHA |
YFM |
2004 |
Bruin |
350 |
| YAMAHA |
YFM |
2005 |
Bruin |
350 |
| YAMAHA |
YFM |
2005 |
Bruin |
350 |
| YAMAHA |
YFM |
2006 |
Bruin |
350 |
| YAMAHA |
YFM |
2006 |
Bruin |
350 |
| YAMAHA |
YFM |
2004 |
Raptor |
350 |
| YAMAHA |
YFM |
2005 |
Raptor |
350 |
| YAMAHA |
YFM |
2006 |
Raptor |
350 |
| YAMAHA |
YFM |
2007 |
Raptor |
350 |
| YAMAHA |
YFM |
2008 |
Raptor |
350 |
| YAMAHA |
YFM |
2009 |
Raptor |
350 |
| YAMAHA |
YFM |
2010 |
Raptor |
350 |
| YAMAHA |
YFM |
2008 |
Grizzly |
350 |
| YAMAHA |
YFM |
2007 |
Grizzly |
350 |
| YAMAHA |
YFM |
2007 |
Grizzly |
350 |
| YAMAHA |
YFM |
2011 |
Grizzly |
350 |
| YAMAHA |
YFM |
2011 |
Grizzly |
350 |
| YAMAHA |
YFM |
2011 |
Raptor |
350 |
| YAMAHA |
YFM |
2012 |
Raptor |
350 |
| YAMAHA |
YFM |
2012 |
Grizzly |
350 |
| YAMAHA |
YFM |
2012 |
Grizzly |
350 |
| YAMAHA |
YFM |
2004 |
Bruin |
350 |
| YAMAHA |
YFM |
2005 |
Bruin |
350 |
| YAMAHA |
YFM |
2006 |
Bruin |
350 |
| YAMAHA |
YFM |
2004 |
Bruin |
350 |
| YAMAHA |
YFM |
2005 |
Bruin |
350 |
| YAMAHA |
YFM |
2006 |
Bruin |
350 |
| YAMAHA |
YFM |
2013 |
Grizzly |
350 |
| YAMAHA |
YFM |
2013 |
Raptor |
350 |
| YAMAHA |
YFM |
2013 |
Grizzly |
350 |
| YAMAHA |
YFM |
2014 |
Grizzly |
350 |
| YAMAHA |
YFM |
2014 |
Grizzly |
350 |
| YAMAHA |
YFM |
2014 |
Grizzly |
350 |