Upgrade your powersports vehicle with the QuadBoss Part #402025 starter solenoid and relay, designed for reliable engine start performance. This component features 100% OEM interchangeability, requiring no modifications for installation, making it a straightforward replacement for your Yamaha YFM400 Big Bear 2x4 and other compatible models. The solenoid is engineered with copper contact discs and solid copper terminals to ensure maximum conductivity and durability, reducing voltage drop and extending the lifespan of your electrical system. Plated brackets and canisters prevent corrosion, even in harsh environments, ensuring consistent operation over time.
The QuadBoss starter solenoid and relay meet or exceed the original manufacturer's specifications, providing a perfect fit and reliable performance. The design incorporates 100% copper windings, which contribute to efficient electrical flow and increased longevity. This part is suitable for a range of Yamaha models, including the YFM250 Bear Tracker, YFM350 Grizzly IRS, YFM400 Grizzly, YFM450 Grizzly, and YFM660F Grizzly, ensuring versatile application across your powersports fleet. Backed by a one-year manufacturer's warranty, this component offers peace of mind and dependable service.
Ideal for enthusiasts seeking a high-quality replacement, the QuadBoss starter solenoid and relay delivers maximum magnetic pull strength to facilitate reliable starts, even after prolonged use. Its robust construction and corrosion-resistant features make it suitable for off-road, trail, or daily riding conditions. Whether you're restoring your ATV or upgrading your current setup, this part provides the performance and durability you need to keep your vehicle running smoothly and efficiently.

Features:

• 100% OEM interchangeable design requiring no modifications

• Meets or exceeds original manufacturer's specifications

• Copper contact disc and solid copper terminals for enhanced conductivity

• Plated brackets and canisters to prevent corrosion

• Includes 100% copper windings for durability and efficiency

• Compatible with multiple Yamaha YFM models including YFM250, YFM350, YFM400, YFM450, and YFM660F

• Backed by a one-year manufacturer's warranty

Fitment:
1999 Yamaha YFM250 Bear Tracker Base
2000 Yamaha YFM400 Big Bear 2x4 Base
2001 Yamaha YFM400 Big Bear 2x4 Base
2002 Yamaha YFM400 Big Bear 2x4 Base
2002 Yamaha YFM660F Grizzly 4x4 Base
2003 Yamaha YFM400 Big Bear 2x4 Base
2003 Yamaha YFM660F Grizzly 4x4 Base
2004 Yamaha YFM400 Big Bear 2x4 Base
2004 Yamaha YFM660F Grizzly 4x4 Base
2005 Yamaha YFM660F Grizzly 4x4 Base
2006 Yamaha YFM660F Grizzly 4x4 Base
2007 Yamaha YFM350 Grizzly IRS 4x4 Auto Base
2007 Yamaha YFM400 Grizzly 4x4 Auto Base
2007 Yamaha YFM450 Grizzly 4x4 Auto Base
2007 Yamaha YFM660F Grizzly 4x4 Base
2008 Yamaha YFM350 Grizzly IRS 4x4 Auto Base
2008 Yamaha YFM400 Grizzly 4x4 Auto Base
2008 Yamaha YFM450 Grizzly 4x4 Auto Base
2008 Yamaha YFM660F Grizzly 4x4 Base
2009 Yamaha YFM350 Grizzly IRS 4x4 Auto Base
2009 Yamaha YFM450 Grizzly 4x4 Auto Base
2010 Yamaha YFM350 Grizzly IRS 4x4 Auto Base
2010 Yamaha YFM450 Grizzly 4x4 Auto Base
2011 Yamaha YFM350 Grizzly IRS 4x4 Auto Base
2011 Yamaha YFM450 Grizzly 4x4 Auto Base
2012 Yamaha YFM350 Grizzly IRS 4x4 Auto Base
2012 Yamaha YFM450 Grizzly 4x4 Auto Base
2013 Yamaha YFM450 Grizzly 4x4 Auto Base
2014 Yamaha YFM450 Grizzly 4x4 Auto Base