The NAMURA VA-09158E Exhaust Valve is an OEM replacement valve designed for select Yamaha ATV and UTV applications. It fits the 2002–2008 Yamaha YFM660FG Grizzly 4WD with independent rear suspension and the 2004–2006 Yamaha YXR660F Rhino 660. This replacement exhaust valve is manufactured for dependable fitment and service in powersports engines requiring a durable, heat-resistant valve component.
Manufactured by NAMURA in an ISO 9001-certified factory, the VA-09158E uses durable SUH35B heat-resistant steel with a full nitride finish. This treatment helps improve durability and resistance to corrosion in demanding engine environments. The valve is intended as an OEM-style replacement for restoring proper exhaust valve function during engine repair or rebuild work.
Confirm the year, model, engine configuration, and original valve specifications before installation. The manufacturer part number is VA-09158E, and the vendor part number is 183-09158E. This product is supplied as an exhaust valve for the listed Yamaha applications and should be installed according to the vehicle manufacturer’s service procedures, including any required inspection of valve clearance, guides, seats, springs, and related components.
Features:
- Application: OEM replacement exhaust valve for select Yamaha ATV and UTV models
- Fitment: 2002–2008 Yamaha YFM660FG Grizzly 4WD with independent rear suspension
- Fitment: 2004–2006 Yamaha YXR660F Rhino 660
- Material: Durable SUH35B heat-resistant steel
- Finish: Full nitride finish for enhanced durability and corrosion resistance
- Manufacturing: Produced by NAMURA in an ISO 9001-certified factory
- Manufacturer Part Number: VA-09158E
- Vendor Part Number: 183-09158E
Fitment:
2001 Yamaha YFM660R Raptor
2002 Yamaha YFM660FG Grizzly 4WD [IRS]
2002 Yamaha YFM660R Raptor
2003 Yamaha YFM660FG Grizzly 4WD [IRS]
2003 Yamaha YFM660R Raptor
2004 Yamaha YFM660FG Grizzly 4WD [IRS]
2004 Yamaha YFM660R Raptor
2004 Yamaha YXR660F Rhino 660
2005 Yamaha YFM660FG Grizzly 4WD [IRS]
2005 Yamaha YFM660R Raptor
2005 Yamaha YXR660F Rhino 660
2006 Yamaha YFM660FG Grizzly 4WD [IRS]
2006 Yamaha YXR660F Rhino 660
2007 Yamaha YFM660FG Grizzly 4WD [IRS]
2007 Yamaha YXR660F Rhino 660
2008 Yamaha YFM660FG Grizzly 4WD [IRS]