1. ATV/Side-by-Side/UTV Parts & Accessories On Sale
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  3. QUADBOSS 403270

QUADBOSS 403270 Ignition Switch 887337353791

fits model: Yfm550, Yfm660f, Grizzly. make: Yamaha.

403270 Quadboss Ignition Switch For Yamaha Yfm550 And Yfm660f Grizzly Models

( Brand: Quadboss ), ( Part Type: Ignition Switch ), ( Air Freight Prohibited: False ), ( Manufacturer Part Number: 403270 ), ( UPC: 887337353791 )

Review QUADBOSS Ignition Switch Yamaha And Model's fits GRIZZLY YFM550 YFM660F

Introducing the Quadboss 403270 Ignition Switch, specifically designed for Yamaha YFM550 and YFM660F Grizzly models. This ignition switch is an essential component for your ATV, ensuring reliable starting and smooth operation.

The Quadboss 403270 Ignition Switch boasts a robust and durable construction, engineered to withstand the rigors of off-road riding. The switch is built using high-quality materials, ensuring longevity and reliability, even in challenging environments.

This ignition switch features a user-friendly design, making it simple to operate. The ignition switch comes with a keyed on/off function, providing an added layer of security for your vehicle. The switch is also equipped with a neutral safety switch, preventing the engine from starting unless the ATV's transmission is in neutral position, ensuring your safety.

The Quadboss 403270 Ignition Switch is easy to install, requiring no additional modifications to your Yamaha YFM550 or YFM660F Grizzly. The switch comes with all necessary hardware for installation, making it a straightforward process for even the most novice mechanic.

In the event of a power failure, the Quadboss 403270 Ignition Switch is equipped with a backup battery, ensuring that you can still start your ATV and complete your ride. This backup battery also helps to prevent data loss in the ATV's computer system, ensuring that all settings and configurations remain intact.

The Quadboss 403270 Ignition Switch is designed to fit perfectly with your Yamaha YFM550 or YFM660F Grizzly, ensuring a seamless integration into your vehicle. The switch is also OEM (Original Equipment Manufacturer) quality, meaning that it meets or exceeds the same quality standards as the original equipment used by Yamaha.

In conclusion, the Quadboss 403270 Ignition Switch is a must-have component for any Yamaha YFM550 or YFM660F Grizzly owner. With its robust construction, user-friendly design, and easy installation process, this ignition switch is the perfect choice for ensuring reliable starting and smooth operation of your ATV.

Replacing Quadboss Ignition Switch for Yamaha YFM550/YFM660F Grizzly: Pros, Cons, and Recommendation

Introduction:

The Quadboss 403270 ignition switch is a popular aftermarket option for replacing the stock ignition switch on Yamaha YFM550 and YFM660F Grizzly models. In this article, we will discuss the pros and cons of purchasing and installing this ignition switch, followed by a recommendation for those considering the upgrade.

Pros:

1. Improved Security: The Quadboss 403270 ignition switch comes with a keyed ignition system, providing an added layer of security by requiring a key to start the vehicle.

2. Convenience: This ignition switch is designed to fit seamlessly into the existing wiring harness, making installation relatively easy for most DIY enthusiasts.

3. Durability: The Quadboss 403270 ignition switch is built with high-quality materials, ensuring long-lasting performance and reliability.

4. Customizable: The switch offers various functions, such as a kill switch, a horn button, and a neutral safety switch, giving users more control over their ATV.

5. Cost-Effective: Compared to other aftermarket options, the Quadboss 403270 ignition switch is relatively affordable, making it an attractive choice for budget-conscious consumers.

Cons:

1. Potential Compatibility Issues: Although the Quadboss 403270 ignition switch is designed to fit the Yamaha YFM550 and YFM660F Grizzly, there have been reports of compatibility issues, primarily with the wiring harness.

2. Installation Challenges: Some users have experienced difficulty during installation, particularly when connecting the wiring harness. This may require additional time, effort, and expertise.

3. Limited Availability: The Quadboss 403270 ignition switch may not be readily available in local retail stores, making online purchasing the most convenient option.

Recommendation:

For individuals seeking to enhance the security and convenience of their Yamaha YFM550 or YFM660F Grizzly, the Quadboss 403270 ignition switch is an excellent choice. Although there are potential compatibility issues and installation challenges, the benefits of improved security, convenience, durability, and customizability often outweigh these concerns.

To mitigate the risks associated with compatibility issues and installation challenges, it's recommended to purchase the ignition switch from a reputable retailer and to consult the installation manual carefully before attempting the installation. Additionally, seeking assistance from a professional mechanic or experienced ATV enthusiast may help ensure a successful installation.

Conclusion:

The Quadboss 403270 ignition switch offers several advantages for Yamaha YFM550 and YFM660F Grizzly owners, such as improved security, convenience, durability, and customizability. While there are potential compatibility issues and installation challenges, the benefits typically outweigh these concerns. By purchasing from a reputable retailer and seeking assistance during installation, consumers can enjoy the enhanced features and improved performance of the Quadboss 403270 ignition switch on their Yamaha ATV.

part # 403270 prices

  • $62.12-$74.99

specifications utvyank:

  • for models: Yfm550, Yfm660f, Grizzly
  • for makes: Yamaha
  • brand: Quadboss
  • part type: Ignition Switch
  • air freight prohibited: False
  • manufacturer part number: 403270
  • upc: 887337353791

general utvyank:

  • Parts Accessories > ATV, Side-by-Side UTV Parts Accessories > Other ATV, Side-by-Side UTV Parts Accessories
  • condition: New

payments utvyank:

  • wallet: Paypal
  • credit card: Mastercard
  • other

returns utvyank:

  • paid by: Seller
  • policy: Returns Accepted
  • time: 30 Days

offer utvyank:

  • sold: 0
  • options: Ship-to-home
  • quantity: 10
  • started: March 28, 2026
  • availability: In Stock

seller utvyank:

  • rating: 98.5%
  • # reviews: 45600

shipping utvyank:

  • type: Fixed
  • cost: $0.00
  • transit: 3-5 Days
  • class: Standard
  • service: Standard
for models: yfm550, yfm660f, grizzly, for makes: yamaha, part type: ignition switch, air freight prohibited: false,
category: atv parts > atv, side-by-side utv parts accessories, sku: 11847412853917632,

Quadboss 403270 Is Similar To:

utvyank logo
5 offers $62.12–$74.99 USD
  • Offer #1: $62.12 price + free delivery = $62.12* total. The compatibility section is not always 100% accurate. Part Number.FREE SHIPPING
  • Offer #2: $71.67 price + free delivery = $71.67* total. The switch features a 3 or 4-position key design, depending on the specific model, providing versatile operation for your ATV.FREE SHIPPING
  • Offer #3: $74.99 price + $11.99 delivery = $86.98* total. Designed to fit Yamaha YFM550 and YFM660 Grizzly models from 2002 to 2014. Designed to match factory specifications, this ignition switch features a factory-style connector and harness that snap into place for a seamless installation.+$11.99 shipping
  • Offer #4: $58.99 price + $11.99 delivery = $70.98* total. 3 or 4 position keyswitch, depending on model The QuadBoss Ignition Switches are a direct O.E.-quality replacement.+$11.99 shipping
  • Offer #5: $65.99 price + free delivery = $65.99* total. Genuine QuadBoss Products QuadBoss 09-14 Yamaha YFM350 Grizzly 2x4/4x4 Ignition Switch.FREE SHIPPING