YAMAHA 4YR-81940-01-00 Engine Starter Relay Starting Motor Switch 4YR-81940-02-00

( Manufacturer Part Number: 4YR-81940-01-00 ), ( Country Of Origin: Japan ), ( Placement On Vehicle: Front ), ( Retail Price: 96.57 ), ( Type: Starter Relay )

Review YAMAHA Engine Starter Relay Starting Motor Switch fits FZ1 2006–2015

Yamaha FZ1 Engine Starter Relay (4YR-81940-01-00)

The Yamaha FZ1 Engine Starter Relay, model number 4YR-81940-01-00, is an essential component for starting the motorcycle's engine. This starter relay functions as a switch that engages the electrical circuit to the starter motor when the ignition key is turned.

The relay is designed with a robust construction to ensure durability and reliability. It features a compact size, measuring approximately 3.4 inches long, 2.2 inches wide, and 1.1 inches high, making it easy to install and replace in the motorcycle's electrical system.

The 4YR-81940-01-00 starter relay from Yamaha is equipped with a gold-plated contact that guarantees efficient current flow between the battery and the starter motor. This gold-plated contact extends the life of the relay by reducing corrosion and ensuring a strong connection.

The relay comes with a built-in over-current protection mechanism that safeguards the motorcycle's electrical system from potential damage caused by excessive current flow. This feature adds an extra layer of safety and reliability to the starter system.

Installing the Yamaha FZ1 Engine Starter Relay is a straightforward process. It is recommended to consult the motorcycle's user manual for detailed instructions on removing the old relay and installing the new one. The relay is designed to fit perfectly in the existing mounting location, making the installation process quick and hassle-free.

In summary, the Yamaha FZ1 Engine Starter Relay (4YR-81940-01-00) is a crucial component for starting the engine of your motorcycle. Its robust construction, efficient gold-plated contact, and built-in over-current protection make it a reliable and safe choice for your Yamaha FZ1. Installing the relay is a simple process that can be completed with the help of your motorcycle's user manual.

Pros and Cons of Buying Yamaha FZ1 Engine Starter Relay (4YR-81940-01-00 and 4YR-81940-02-00)

The Yamaha FZ1 Engine Starter Relay (model numbers 4YR-81940-01-00 and 4YR-81940-02-00) is a crucial component for starting the motorcycle's engine. Here are some potential advantages and disadvantages of buying this specific starter relay from Yamaha.

1. Original Equipment: This starter relay is a genuine Yamaha part, ensuring compatibility and reliability with your FZ1 motorcycle.

2. Superior Build Quality: Yamaha is known for its high-quality parts. This starter relay is designed to withstand the rigors of frequent use in a motor vehicle environment.

3. Enhanced Durability: The starter relay is built to resist moisture and other environmental factors that can degrade aftermarket alternatives.

4. Improved Performance: A faulty starter relay can cause starting issues or even prevent the engine from starting altogether. Replacing it with a new, original Yamaha part can help restore the bike's performance.

1. Cost: Original Yamaha parts can be more expensive compared to aftermarket alternatives.

2. Availability: Depending on your location and the availability of parts at your local Yamaha dealer, you may need to order this part online and wait for it to be shipped.

3. Limited Upgrade Potential: Since this is an OEM (original equipment manufacturer) part, it may not offer any additional features or upgrades compared to aftermarket alternatives.

The Yamaha FZ1 Engine Starter Relay (4YR-81940-01-00 and 4YR-81940-02-00) is a reliable and durable choice for those looking to replace a faulty starter relay on their FZ1 motorcycle. Its compatibility, build quality, and enhanced durability make it a worthwhile investment for maintaining your motorcycle's performance. However, its cost and potential shipping delays may deter some buyers looking for a more immediate or cost-effective solution.

If you value reliability, compatibility, and the peace of mind that comes with using an original OEM part, the Yamaha FZ1 Engine Starter Relay (4YR-81940-01-00 and 4YR-81940-02-00) is a solid choice. However, if you're on a tight budget or need a replacement part quickly, exploring aftermarket alternatives may be worth considering. In either case, be sure to consult your motorcycle's service manual or a trusted mechanic for accurate information about your specific application.

Details:

Please Look at all the pictures to see condition of part. This starter relay is in very good condition and shows normal signs of wear. This is a starter relay removed from 2006 2015 Yamaha FZ1.

part #: 4yr819400100 prices

• $9.99-$37.00

specifications scostarters:

• for models: Fz1
• for makes: Yamaha
• for years: 2006-2015
• mpn: 4yr-81940-01-00
• country of origin: Japan
• placement on vehicle: Front
• retail price: 96.57
• type: Starter Relay

seller scostarters:

• city: Houston, Texas
• rating: 99.7%
• # reviews: 59217

offer scostarters:

• best offers: True
• started: January 15, 2026
• options: Ship-to-home
• quantity: 1
• availability: In Stock
• sold: 0

general scostarters:

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

shipping scostarters:

• service: Standard
• cost: $0.00
• transit: 2-7 Days
• class: Standard
• type: Fixed

returns scostarters:

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

payments scostarters:

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

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