JAVIK handlebar control switch assembly for Yamaha Grizzly/Kodiak/Warrior — OEM 4GB-83973-09-00, start/run & hi/lo headlight

JAVIK handlebar control switch assembly replaces the OEM start/run/off and hi/lo headlight controls for compatible Yamaha ATVs.

This durable replacement switch is designed to restore full handlebar control on older Yamaha models including Grizzly 600, Kodiak 400, Big Bear 350, Wolverine 350, Warrior 350 and Moto-4. It offers engine start/run/off positions and headlight hi/lo/off functions in one compact assembly. The unit matches OEM numbers 4GB-83973-09-00, 4GB-83973-01-00 and 4GB-83973-00-00, and comes ready to install on the listed model years.

What functions does this switch assembly provide?

The JAVIK control switch combines the ignition and headlight selector so you can start the engine, shut it off, and toggle headlight modes from the left handlebar. It’s a direct functional replacement for the original Yamaha part.

• Engine positions: Start, Run, Off (engine start operates without a choke lever)
• Headlight positions: High, Low, Off
• Consolidates controls into a single handlebar assembly for easier operation

Which Yamaha models and years does it fit?

This switch is specified for a range of Yamaha ATVs produced in the 1990s and early 2000s. Confirm your OEM part number before purchasing to ensure correct fitment.

• Grizzly 600 YFM600F: 1998–2001
• Warrior 350 YFM350X: 1996–2001
• Wolverine 350 YFM350F: 1995–2001
• Big Bear 350 YFM350F/U: 1995–1999
• MOTO-4 YFM350E: 1995 and Kodiak 400 4WD YFM400F: 1993–1999

How easy is installation and what’s included?

The assembly ships as a single handlebar switch unit with the electrical connector and mounting points matched to the OEM design for straightforward replacement. Basic hand tools are typically all that’s needed for swap-out.

• Package contents: 1 handlebar switch assembly
• Installation: bolt-on replacement using existing handlebar mount and wiring harness
• Tip: verify OEM number and compare connector before beginning installation

What support and warranty does JAVIK provide?

JAVIK backs this part with customer support and a limited product service period. Contact the seller for troubleshooting or warranty assistance if you encounter issues after installation.

• Customer service: 24-hour messaging support available
• Product coverage: 1 year service/warranty from JAVIK
• Recommendation: retain order details and photos for faster assistance

Who is this for: This replacement handlebar control is for owners and mechanics restoring or maintaining older Yamaha ATVs who need a reliable, OEM-number-matching ignition and headlight switch. It’s suited to riders who prefer a direct-fit, cost-effective part that returns full functionality to factory-style controls without modifying wiring harnesses or the handlebar setup.