YAMAHA B7N-81940-00-00 Engine Starter Relay Starting Motor MT-09 Switch

( Manufacturer Part Number: B7N-81940-00-00 ), ( Type: Starter Relay )

Review YAMAHA Engine Starter Relay Starting Motor Switch Oem Mt09 Mt fits 2009–2021

The Yamaha B7N-81940-00-00 2021 MT-09 Engine Starter Relay is an essential component of the electrical system in your motorcycle. Designed specifically for the 2021 MT-09 model, this starter relay switch ensures a reliable starting process every time you turn the key.

This starter relay is a high-quality OEM (Original Equipment Manufacturer) part, meaning it is manufactured to the same exacting standards as the components originally used by Yamaha in the production of your motorcycle. It is engineered to fit perfectly and function seamlessly with your bike's electrical system.

The B7N-81940-00-00 is a solid-state relay, which means it utilizes electronic switching instead of traditional mechanical contacts. This results in faster response times, increased durability, and improved reliability compared to traditional relays. Solid-state relays also generate less electrical noise, which can lead to better overall performance and a smoother riding experience.

This starter relay switch is designed to handle the demanding requirements of a motorcycle starting system. It can handle the high currents and voltages involved in starting the engine, ensuring a consistent and reliable power supply to the starter motor. The relay is also protected against over-current situations, providing an additional layer of safety for you and your motorcycle.

The B7N-81940-00-00 is easy to install, requiring no modifications to your motorcycle's wiring harness. Simply remove the old starter relay and replace it with this new one, ensuring a hassle-free installation process.

In summary, the Yamaha B7N-81940-00-00 2021 MT-09 Engine Starter Relay is a crucial part for maintaining the starting system of your motorcycle. As an OEM part, it is designed to fit perfectly and function seamlessly with your bike's electrical system. Its solid-state design offers faster response times, increased durability, and improved reliability, ensuring a consistent and reliable starting process.

Pros and Cons of Buying Yamaha B7N-81940-00-00 2021 MT-09 Engine Starter Relay

a. OEM Part: This is an original equipment manufacturer (OEM) part, meaning it is designed and manufactured by Yamaha. It ensures a perfect fit and optimal performance for your motorcycle.

b. Reliable: A good quality starter relay can prevent issues like a motorcycle that refuses to start, which can save you time and money in the long run.

c. Easy Installation: The starter relay is a straightforward component to replace, and the installation process is usually quick and straightforward.

a. Cost: The price of this OEM part might be higher than aftermarket alternatives. However, the cost difference is often offset by the reliability and longevity of an OEM part.

b. Availability: Depending on the region, availability of OEM parts like this Yamaha starter relay might be limited, making it harder to find and purchase compared to aftermarket alternatives.

The Yamaha B7N-81940-00-00 2021 MT-09 Engine Starter Relay is a worthwhile investment for those who prioritize reliability and optimal performance. While it may come at a higher cost compared to aftermarket alternatives, the peace of mind that comes with an OEM part is invaluable. Additionally, its straightforward installation process makes it a convenient choice for motorcycle owners.

For those looking to replace their motorcycle's starter relay, the Yamaha B7N-81940-00-00 2021 MT-09 Engine Starter Relay is a recommended option due to its reliability, perfect fit, and optimal performance. While the cost may be higher than some aftermarket alternatives, the investment is worth it for the peace of mind and confidence it provides.

Details:

No return on new and used electronic products. Part numbers will always be shown if available. This comes exactly as shown in the photos, please view all photos closely for details. Remember, these are USED parts.

Please view all photos above for details. It is up to the bidder/purchaser do their own research see if specific part will fit motorcycle and/or project. Item is removed from the year, make, and model of motorcycle as listed in. Item may arrive disassembled for shipping purposes, to ensure it arrives safely.

This starter relay is in good condition, with normal wear and tear, as it is, used. This is dirty and may require cleaning. Up for sale is a 2021 Yamaha MT-09 starter relay.

Removed From: 2021 Yamaha MT-09, Please review all pictures to assess the condition of item. Comes as shown. Items may state shipping through one carrier, but be shipped a different carrier.

part #: b7n819400000 prices

• $90.00-$139.78

specifications scostarters:

• for makes: Yamaha
• for years: 2009-2021
• mpn: B7n-81940-00-00
• type: Starter Relay

seller scostarters:

• city: Bunnell, Florida
• # reviews: 4983
• rating: 100.0%

offer scostarters:

• availability: In Stock
• sold: 0
• quantity: 1
• started: June 3, 2025
• options: Ship-to-home

general scostarters:

• Motorcycle Scooter Parts Accessories > Electrical Ignition Components > Starter Motors
• condition: Used

shipping scostarters:

• type: Fixed
• transit: 3-8 Days
• class: Standard
• service: Standard
• cost: $9.00

payments scostarters:

• wallet: Apple-pay
• credit card: Discover
• other

returns scostarters:

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

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