The NAMURA VX-09518E Exhaust Valve is an OEM replacement valve designed for select Yamaha ATV applications. It fits the 2008–2013 Yamaha YFM250R Raptor, the 2007–2009 Yamaha YFM250B Big Bear with SRA, and the 2008 Yamaha YFM250RSE Raptor SE. This valve is manufactured for reliable fitment and dependable operation in demanding off-road environments.
Feature: The valve is made from durable SUH35B heat-resistant steel and receives a full Nitride finish to improve durability and resistance to corrosion. Its construction supports consistent performance under the elevated temperatures and repeated operating cycles experienced by ATV exhaust systems.
Feature: NAMURA valves are manufactured in an ISO 9001-certified factory, helping ensure consistent production quality and dimensional accuracy. This replacement exhaust valve is intended for restoration or maintenance applications where an original-style component is required. Verify the year, model, and engine configuration before installation to confirm compatibility.
Manufacturer part number: VX-09518E. Vendor part number: 183-09518E. Brand: NAMURA. Model: VX-09518E Exhaust Valve. For best results, install the valve according to the vehicle manufacturer’s service procedures and inspect associated valve-train components during replacement.
Features:
- OEM replacement exhaust valve for select Yamaha ATV models
- Fits 2008–2013 Yamaha YFM250R Raptor, 2007–2009 Yamaha YFM250B Big Bear with SRA, and 2008 Yamaha YFM250RSE Raptor SE
- Constructed from durable SUH35B heat-resistant steel
- Full Nitride finish improves durability and corrosion resistance
- Manufactured in an ISO 9001-certified factory
- Brand: NAMURA
- Manufacturer part number: VX-09518E
- Vendor part number: 183-09518E
Fitment:
1983 Yamaha YTM200E Tri-Moto
1983 Yamaha YTM225D Tri-Moto
1984 Yamaha YTM200E Tri-Moto
1984 Yamaha YTM225D Tri-Moto
1985 Yamaha YFM200DX Moto-4
1985 Yamaha YTM200E Tri-Moto
1985 Yamaha YTM225D Tri-Moto
1986 Yamaha YFM200DX Moto-4
1986 Yamaha YFM225 Moto-4
1986 Yamaha YTM225D Tri-Moto
1987 Yamaha YFM200DX Moto-4
1987 Yamaha YFM225 Moto-4
1988 Yamaha YFM200DX Moto-4
1988 Yamaha YFM225 Moto-4
1989 Yamaha YFM200DX Moto-4
1989 Yamaha YFM250 Moto-4
1989 Yamaha Yfu1W Pro Hauler
1990 Yamaha YFM250 Moto-4
1991 Yamaha YFM250 Moto-4
1992 Yamaha YFB250 Timberwolf 2WD [SRA]
1993 Yamaha YFB250 Timberwolf 2WD [SRA]
1994 Yamaha YFB250 Timberwolf 2WD [SRA]
1994 Yamaha YFB250FW Timberwolf 4WD [SRA]
1995 Yamaha YFB250 Timberwolf 2WD [SRA]
1995 Yamaha YFB250FW Timberwolf 4WD [SRA]
1996 Yamaha YFB250 Timberwolf 2WD [SRA]
1996 Yamaha YFB250FW Timberwolf 4WD [SRA]
1997 Yamaha YFB250 Timberwolf 2WD [SRA]
1997 Yamaha YFB250FW Timberwolf 4WD [SRA]
1998 Yamaha YFB250 Timberwolf 2WD [SRA]
1998 Yamaha YFB250FW Timberwolf 4WD [SRA]
1999 Yamaha YFB250FW Timberwolf 4WD [SRA]
1999 Yamaha YFM250X Bear Tracker 2WD [SRA]
2000 Yamaha YFB250FW Timberwolf 4WD [SRA]
2000 Yamaha YFM250X Bear Tracker 2WD [SRA]
2001 Yamaha YFM250X Bear Tracker 2WD [SRA]
2002 Yamaha YFM250X Bear Tracker 2WD [SRA]
2003 Yamaha YFM250X Bear Tracker 2WD [SRA]
2004 Yamaha YFM250X Bear Tracker 2WD [SRA]
2005 Yamaha YFM250B Bruin 2WD [SRA]
2006 Yamaha YFM250B Bruin 2WD [SRA]
2007 Yamaha YFM250B Big Bear [SRA]
2008 Yamaha YFM250B Big Bear [SRA]
2008 Yamaha YFM250R Raptor
2008 Yamaha YFM250RSE Raptor SE
2008 Yamaha YFM250RSE2 Raptor SE Custom
2009 Yamaha YFM250B Big Bear [SRA]
2009 Yamaha YFM250R Raptor
2010 Yamaha YFM250R Raptor
2011 Yamaha YFM250R Raptor
2012 Yamaha YFM250R Raptor
2013 Yamaha YFM250R Raptor