YAMAHA BR9-15378-00-00 Starter Clutch Bearing Damper Gear

( Manufacturer Part Number: BR9-15378-00-00 ), ( Type: Starter Motor ), ( Country Of Origin: Japan )

Review YAMAHA Starter Clutch One Way Bearing Damper Gears Gear fits YZ450F YZ450 2018–2023

The Yamaha YZ450F and YZ450 motorcycles, model years 2018 to 2023, are renowned for their high-performance capabilities. One essential component that contributes to their smooth operation is the starter clutch bearing damper gears and gear set. This part is responsible for the proper engagement and disengagement of the engine starter during the motorcycle's start-up process.

The starter clutch bearing damper gears and gear set, specifically the part number BR9-15378-00-00, is a precision-engineered assembly produced by Yamaha. It consists of several components working in unison to ensure a reliable start every time.

At the heart of this assembly are the damper gears. These gears feature a rubber damper material that helps to absorb the shock and vibration generated during the starter engagement process. This shock absorption is crucial as it protects the motorcycle's transmission from the excessive forces that could potentially cause damage.

The starter clutch bearing, another integral part of this assembly, is responsible for transmitting the force from the engine starter to the crankshaft during the start-up process. It is designed to operate efficiently and effectively, ensuring the engine begins turning as soon as the starter is engaged.

The bearing surface of the starter clutch bearing is engineered from high-quality materials to provide a long-lasting and reliable performance. Additionally, the bearing is designed to accommodate the lateral forces generated during the start-up process, ensuring a consistent engagement and disengagement of the engine starter.

The starter clutch bearing damper gears and gear set's final component is the gear. This gear is responsible for transmitting the power from the engine starter to the crankshaft once the engine is started. The gear is designed to be robust and durable, ensuring it can withstand the forces generated during the start-up process.

In summary, the Yamaha BR9-15378-00-00 2018-2023 YZ450F YZ450 starter clutch bearing damper gears and gear set is a crucial component in the motorcycle's start-up system. It features high-quality damper gears that absorb shock and vibration, a robust starter clutch bearing designed for efficient power transmission, and a durable gear that can withstand the forces generated during the start-up process. This assembly ensures a reliable and consistent start every time, contributing to the overall performance and longevity of the Yamaha YZ450F and YZ450 motorcycles.

Pros and Cons of Buying Yamaha YZ450F/YZ450 Starter Clutch Bearing Damper Gears Gear (Model: BR9-15378-00-00) for 2018-2023

a. Enhanced Performance: Replacing the stock starter clutch bearing damper gears with high-performance aftermarket parts can result in improved engine response and acceleration.

b. Durability: Aftermarket parts are designed to withstand the rigors of off-road racing better than OEM parts, ensuring longer lifespan and less frequent replacements.

c. Customizability: Upgrading these components allows riders to tailor their bike's performance to their specific preferences and riding style.

d. Cost-Effective: In the long run, investing in aftermarket parts can save money by reducing the need for frequent OEM part replacements.

a. Installation Complexity: Installing aftermarket starter clutch bearing damper gears requires a good understanding of the bike's internals and the necessary tools, which can be time-consuming and potentially challenging for some riders.

b. Risk of Damage: There's a slight risk of damaging other components during the installation process, which could lead to additional repair costs.

c. Cost Upfront: Aftermarket parts can be more expensive than OEM parts up front, which might be a barrier for some riders.

d. Potential Compatibility Issues: Ensure the aftermarket parts are compatible with your specific model year and engine configuration to avoid any potential issues.

The decision to buy the Yamaha YZ450F/YZ450 starter clutch bearing damper gears gear (BR9-15378-00-00) depends on your priorities as a rider. If you value enhanced performance, durability, and customizability, then investing in aftermarket parts could be the right choice for you. However, consider the installation complexity, potential risks, and upfront cost before making your purchase. Ultimately, the benefits of improved performance and longevity may outweigh the cons for serious off-road enthusiasts.

If you decide to proceed with the purchase, ensure you have a solid understanding of the installation process and the necessary tools. Consider purchasing the parts from a reputable dealer to minimize the risk of compatibility issues and potential damage during shipping. Finally, take your time during installation to ensure a successful and safe experience.

Details:

Was working properly when bike was disassembled. One way bearing is in good condition and only moves one direction with no slipping or sticking like it should. No chipped or broken gear teeth. Will fit 2018 -2023.

In good condition with minor signs of wear from normal use. Only includes the parts/hardware pictured. Good used starter clutch assembly off of a 2018 Yamaha YZ450F.

part #: br9153780000 prices

• $20.00-$61.69

specifications scostarters:

• for models: Yz450f, Yz450
• for makes: Yamaha
• for years: 2018-2023
• mpn: Br9-15378-00-00
• type: Starter Motor
• country of origin: Japan

seller scostarters:

• # reviews: 368
• rating: 100.0%
• city: Morrisville, North Carolina

offer scostarters:

• started: May 6, 2026
• sold: 0
• availability: In Stock
• quantity: 1
• options: Ship-to-home

payments scostarters:

• other
• credit card: Mastercard
• wallet: Paypal

general scostarters:

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

returns scostarters:

• policy: No Returns

shipping scostarters:

• service: USPS Ground Advantage
• carrier: USPS
• transit: 5-10 Days
• type: Fixed
• class: Standard
• cost: $0.00

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