M MATI Start Stop Switch Kit for Yamaha ATVs — Left Handlebar Starter Solenoid Relay, Plug-and-Play OEM Fit

M MATI Start Stop Switch kit is a plug-and-play left handlebar switch assembly bundled with a starter solenoid relay, plug harness and spark component to replace worn electrical starter parts on compatible Yamaha ATVs.

This comprehensive replacement kit is engineered to restore starting control and handlebar switching functions on a wide range of Yamaha four-wheelers. It includes the left handlebar switch assembly, starter solenoid relay, plug harness and spark, packaged together for a straightforward repair. The components match common OEM-style connectors and fitment patterns, so installation is typically direct without cutting or splicing. Below you'll find concise answers to the most common buyer questions and clear specifics about fit, materials, and installation.

Which Yamaha ATVs does this kit fit?

This kit covers many Yamaha models across multiple years, including Big Bear, Grizzly, Bruin, Kodiak, Raptor and Wolverine series. Confirm compatibility by checking the years and model names against your vehicle's VIN or service manual. It replaces several manufacturer part numbers commonly found on these ATVs.

• Big Bear 250 (YFM250) 2007–2009
• Big Bear 400 (YFM400) 2002–2006
• Bruin 250/350 (YFM250/350) 2004–2006
• Grizzly 350/400/660 and Kodiak/Raptor/Wolverine variants across listed years

How simple is the installation process?

Design aims for a plug-and-play swap: the handlebar switch and harness use OEM-compatible connectors to minimize wiring work. Basic hand tools are usually all that's needed; no advanced electrical skills required for most installs. If you’re comfortable removing the left handlebar controls and accessing the starter relay, you can typically complete this in one afternoon.

• Left handlebar switch mounts in the original location
• Starter solenoid relay connects using provided plug harness
• Same-size connectors reduce need for splicing or adapters
• Includes spark piece for system completeness

What are the build materials and durability features?

The relay and switch components use quality PVC housings and copper electrical contacts to resist corrosion and ensure reliable conductivity. Anti-oxidation treatments on contact surfaces extend life in outdoor conditions. The assembly is intended as a long-term replacement when original parts show wear or intermittent starting problems.

• PVC housings for weather resistance
• Copper contacts for stable electrical performance
• Anti-rust and anti-oxidation surface treatments
• Packaged securely to prevent transit damage

Which part numbers does it replace and why does that matter?

This kit corresponds to several Yamaha manufacturer and replacement part numbers, making it easier to verify fitment for older ATVs. Matching part numbers helps ensure you get the correct electrical interfaces and mounting points for your model. Compare the numbers listed here with the ones stamped on your existing parts to confirm compatibility before purchase.

• Manufacturer Part # examples: 5LP-83973-01-00, 5LP-83973-00-00
• Replacement Part # examples: 4XE-81940-12-00, 1D0-81940-02-00
• Use part numbers to cross-check model year fit
• Helps avoid returns due to mismatched connectors

Who is this for: this M MATI kit is aimed at DIY ATV owners, independent mechanics and restoration projects who need a reliable, cost-effective replacement for worn or damaged starting and handlebar switch components on supported Yamaha models. It’s particularly useful if you want an OEM-style fit without modifying factory wiring, and for riders maintaining older machines where original parts are failing.