Features:
Voltage Output Management: Controls current levels to keep the dirt bike electrical system running during trail riding, preventing sudden power drops that affect throttle response.
Component Protection Casing: Helps maintain electrical flow to shield the instrument panel, fuel injection system, and sensors from sudden power fluctuations during enduro racing.
Aluminum Shell Structure: Built with an aluminum alloy housing for heat management, reducing weight to avoid adding unnecessary load on the motorcycle during off road tracks.
Maintenance Recommendation: Installation by an experienced mechanic is recommended to secure proper wiring and tight mounting, preventing loose connections during rough rides.
Vehicle Compatibility: This electrical replacement part is compatible with Yamaha WR450F 2019-2024 models and compatible with Yamaha WR250F 2020-2024 dirt bikes matching part B7B-81960-00.
Specifications:
Product Name: Motorcycle Regulator Rectifier
Material: Aluminum Alloy
Color: As Shown in Picture
Part Number: B7B-81960-00, H891AA, B7B819600000
Note: Please check on your car model details and exact OE number to confirm if this item is fitted
Fitment:
Compatible with Yamaha WR450F 2019-2024
Compatible with Yamaha WR250F 2020-2024
Compatible with Yamaha YZ250F 2019-2024
Compatible with Yamaha YZ450F 2020-2024
Compatible with Yamaha YZ450FX 2019-2024
Compatible with Yamaha YZ250FX 2020-2024
(NOTE: Please check on your car model details and exact OE number to confirm if this item is fitted)
Package Included:
1 x Motorcycle Regulator Rectifier
Batch Variations Notice: Due to ongoing improvements, product details may vary slightly from images shown. Please refer to received item for exact features — each carefully inspected for quality.
Q1: How can I verify if this motorcycle regulator rectifier fits my dirt bike?
A: Please check the part number on your previous unit before buying. This aftermarket replacement part matches part number B7B-81960-00-00 to ensure proper circuit connection.
Q2: What are common indicators that a dirt bike voltage regulator needs to be replaced?
A: Typical signs include a battery that drains quickly after trail riding, flickering instrument panels during acceleration, or fuel injection system errors caused by irregular voltage output.
Q3: Does installing this replacement electrical component require any wiring modifications?
A: No modifications to the factory wiring harness are required. This part is engineered to standard specifications as a direct plug and play replacement for convenient garage maintenance.







