Product Description
Voltage Regulator For Yamaha WR250F WR450F WR 250 450 F 2007 2008 2009 2010-2013
Voltage Regulator Rectifier for Yamaha WR250F WR450F WR 250 450 F 2007-2013
KEY FEATURES
Brand new aftermarket voltage regulator rectifier
Plug-and-play unit, direct fit, easy to install.
The quality exceeds the OEM equipment
All products shipped are tested
DESCRIPTION
Battery condition is extremely important. No voltage regulator can work correctly with a bad or weak battery. Always fully charge your battery before performing any charging system tests or replacing parts. If there is any doubt, have the battery load tested or replaced.
Brand new aftermarket voltage regulator rectifier
- Direct replacement to your original unit.
- Plug-and-play, direct fit, easy installation.
- No assembly required
- Higher grade of electric components.
- The quality exceeds the OEM equipment
- All products shipped are tested
We have even included the opposite connector (main harness side) as we know these are often melted / corroded / defective and a major cause for repetitive electrical issues.
All item pictures are accurate, if in doubt do not hesitate and compare our item to your original part.
Vehicle models fitment
Yamaha WR 250 F -- 2007-2009, 2011-2013
Yamaha WR 450 F -- 2007-2009, 2011
OEM part replacement
5UM-81960-E0-00
Specifications
Dimensions:
Width: 43 mm
Length: 37 mm
Height: 16 mm
Wires length: 142 mm
Fixation holes center to center: 60 mm
Other specifications:
Number of plugs: 2
Number of pins: 4
Number of wires: 4
Minimum Charging Voltage: 14.5V +- 0.5V
Maximum Charging Current: 50A/500W
Open Circuit Voltage: 15V
Operation Temperature: -20? to 85?
4-Pin Voltage Regulator Rectifier Fit for Yamaha YZ250F WR250F YZ450F WR450F 2019-2024
Please compare the number of pins and plugs with the old part before purchasing.
Replacement Part Number:
B7B-81960-00-00
B7B819600000
Fits Make/Model:
Fit for Yamaha YZ250F 2019-2024
Fit for Yamaha YZ450F 2020-2024
Fit for Yamaha WR250F 2020-2024
Fit for Yamaha WR450F 2019-2024
Fit for Yamaha YZ450FX 2019-2024
Fit for Yamaha YZ250FX 2020-2024
(Compatibility Chart is for reference ONLY!!!)
(Please Compare with Your faulty unit and the image we provided to Decide Fitment)
Package includes:
1x 4-Wire Regulator Rectifier
Features:
OEM quality, direct replacement to your original unit.
Perfect fit and ready to install.
Always use a sealant to mount the cable gland joint.
All products shipped are tested.
Instruction is NOT included.
Attention:
This regulator is not suitable for lithium-ion batteries! The battery or other electric parts can be damaged!
Specifications:
Condition: Aftermarket 100% Brand New
Quanity: 1 PC
Type: Regulator / Rectifier
Other specifications:
Number of wires: 4
Number of plugs: 2
Number of pins: 2 + 2
Detailed Photos





For the opportunities and adjustments in the new century, our factory will be full of enthusiasm, as always, operate with integrity, continue to develop and forge ahead.
The types of motorcycle accessories involved are oil pump, carburetor gasket, oil drain switch, carburetor, cable, clutch, belt, handle switch, handle plate, coil, repair kit, oil switch, and rectifier, etc. Welcome your inquiry at 7×24h.
Product Description
Our advantage
1.Durable and high Quality.
2.Nice-looking packing.
3.Prompt delivery.
4.Wide range of parts for more models available.
5.Most competitive wholesale prices.
6.One stop buying service provided.
A carburetor is a mechanical device that mixes a certain proportion of gasoline with air under the action of the vacuum generated by the engine. The carburetor is a precision mechanical device that uses the kinetic energy of the inhaled air stream to achieve gasoline atomization. Its important effect on the engine can be called the "heart" of the engine. The complete device should include starting device, idle speed device, medium load device, full load device, and acceleration device. The carburetor will automatically proportion the corresponding concentration according to the requirements of the different working conditions of the engine, and output the corresponding amount of mixed gas. In order to make the mixed gas mixed evenly, the carburetor also has a fuel atomization device. Effect for normal operation of the machine.
Specifications
1. High quality.
2. Competitive price.
3. The quality is guaranteed.
4. Packaging: Neutral packaging or according to customer requirements.
5. We can manufacture according to customer requirements.
Our Services
1.Supply all kinds of motorcycle parts.
2. Sample order.
3. OEM Manufacturing welcome: Product, Package... We can supply parts based on clients' requirement.
4. High quality and reasonable price.
5.We will reply you for your inquiry in 24 hours.
6. After sending, we will track the products for you once every two days, until you get the products.
7.When you got the goods, test them, and give me a feedback.
8.If you have any questions about the problem, contact with us, we will offer the solve way for you.
FAQ
Q1. Can I get a sample to check your quality?
Re: Sure! Most sample could be free for you , you need just to pay the freight to your place. Usually, the sample will be sent within one week. It depends on the stock.
Q2. Can you produce according to the samples?
Re: Sure! We can produce by your samples or technical drawings. We can build the molds and fixtures.
Q3. How soon can I get the quotation?
Re: The quotation should be given within 24 hours. If it is very urgent, Please make an emphasis by remarks.
Q4. How to get the best price?
Re: The bulk order price can be negotiated. We will quote the lastest best price according to the customer final purchase list.
Q5. What is your terms of payment?
Re: We accept T/T and L/C. T/T 30% as deposit, and 70% before delivery. We'll show you the photos of the products and packages before you pay the balance.
Q6. What is your MOQ?
Re: For the spare parts and accessories, it would depend on the detailed products.
Q7. Can you do the packages as we need?
Re: Generally, we pack our goods in neutral white boxes and brown cartons.
we can do OEM Package for you.Just send me your detail request,we can design the package for you.
If you have legally registered patent, we can pack the goods in your branded boxes after getting your authorization letters.
Q8. How about your delivery time?
Re: Generally, it will take 45 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.
Generally speaking, we suggest that you start inquiry two months before the date you would like to get the products at your country.
Q9. What's your transportation?
Re: By air,by sea(LCL,FCL).
If anything else that you want to know ,please contact us.