Product Description
Voltage Regulator Rectifier Fit For Kawasaki Z125 Pro BR125 2017-2021 21066-0713 21066-0764

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.

Specifications:
Condition: Aftermarket 100% Brand New
Quanity: 1 PC
Type: Voltage Regulator Rectifier

Wiring Diagram:
Yellow/White - Light
Red - Battery (+)
Black - Ground (-)
Gray - Power Coil
Gray - Powe Coil

If you find that the headlight remains on and cannot be turned off after installing the rectifier。
You can first disconnect the rectifier and then turn on the ignition switch.
If the headlight still stays on, it indicates that a short circuit has occurred in one of the wires during the installation process.

Replacement Part Number:
21066-0713
21066-0764

(Always compare part numbers to your parts schematics and cross reference appropriately.)
(This is NOT a genuine Part, OEM part numbers are included for product type identification and comparison only.)

Fits Make/Model/Year:
Fit for Kawasaki BR125 Z125 Pro 2017-2021

(Compatibility Chart is for reference ONLY!!!)
(Please Compare with Your faulty unit and the image we provided to Decide Fitment)

Package includes:
1x Voltage Regulator Rectifier

NOTICE:
Signs that your regulator needs replacing:
Depending on the location of the regulator rectifier, the part can easily overheat. Other causes for a dead regulator rectifier center on the battery. Ground connections are important for good voltage, and if there is a faulty voltage, the regulator rectifier can run hot. Bad grounding, corroded battery connection and poor or loose battery connections will cause faulty voltage too.

There are generally two ways for the regulator rectifier to fail:
The first deals with diode burnout, resulting in battery drain. It is easy to assume that the issue is a bad battery because of symptoms such as dimming headlights and poor starts. Checking the voltage with a voltmeter versus relying on symptoms alone will prove highly beneficial. If the voltage drops below 13 volts, the motorcycle will begin to drain the battery and eventually the engine will stop. Check for bad connections and corrosion; these can also cause voltage issues.
The other failure type is shunt regulator burnout, where the regulator rectifier fails to control the voltage, resulting in battery overcharge. Again, a voltmeter will be useful for diagnosis. Though generally, readings above 17 volts mean the regulator rectifier is not converting the excess power correctly and all of that excess voltage may cause the headlights to become extremely bright and then blow.

The product on offer is an accessory or spare part and thus is not an original product of the vehicle manufacturer.
The name of the vehicle manufacturer is stated only as an indication of the determination of the product being offered as an accessory or spare part, to clarify, for which vehicle the product on offer fits.

COMPATIBILITY ALERT

VERIFY FITMENT BEFORE PURCHASE!

• This part fits vehicles listed in the compatibility chart ONLY

 For 100% accuracy, provide:

Full VIN (17-digit)

Original Part Number

Vehicle Year/Make/Model/Engine Size

Free fitment confirmation: Send Your specs + VIN + clear photos of your current part!

🚗Shipping Time:

Royal Mail/Evri/Yodel 5-7 working days include Handling time.

• Dispatch Time: Orders placed before 2 PM GMT shipped same day (Mon-Fri)

• Courier: Royal Mail / Evri / Yodel

• Highlands & Islands: +1-2 working days (postcode exceptions apply)

"Need it faster? Choose 'Express Delivery' at checkout!"

The estimated arrival times are specified directly from information provided by our couriers. These are estimates only and not a guaranteed delivery date.

We offer 60-day free returns for your peace of mind. To qualify for a full refund:

Contact Us First: Please message us through eBay Messages before opening a return request - we'll work with you to resolve any issues promptly.

 

For a faster resolution, please contact us first to discuss your return request.

If the return is due to change of mind, select "Didn't like item" or "Ordered by mistake".

For tem not as described, provide details and photos to help us assist you promptly.

 

 Inspection Process: All returns are inspected upon arrival. We reserve the right to refuse refunds if:

    Item shows signs of use/wear

    Return doesn't match the original product condition:missing/damaged

 

How Returns Work:

Contact us → We provide return instructions → Ship back securely

Refunds issued within 3-5 business days after warehouse approval

Original payment method will be credited (processing time may vary by bank)

Important Notes:

• Buyer pays return shipping if reason isn't seller error

• We recommend using tracked shipping for returns

• For defective items: Contact us immediately with photos/video evidence

 

We stand behind our products and will work to ensure your complete satisfaction!

Warranty Coverage:

90-365 Day Coverage (varies by product - see listing details)

✅ Excludes: Physical damage, liquid exposure, unauthorized repairs

✅ Required: Proof of purchase + clear defect photos/video

✅ Solution: Repair/replacement at seller's discretion

 

Claim Process:

1、Contact us within warranty period

2、Provide order number + defect evidence

3、We respond within 48h with solution

Our Feedback Promise

Your Satisfaction Matters Most!

We work hard to earn your 5-star experience. Before leaving feedback, please:

1、Contact us first if there’s any issue – we’ll make it right!

2、 Verify your item meets expectations (check sizing/compatibility if applicable)

3、 Allow reasonable time for shipping/delivery

 

*** Ideal Feedback Includes:

✅ "Accurate description, fast shipping"

✅ "Great customer service"

✅ "Well-packaged, as advertised"

 

Problem Resolution Guarantee:

Message us within 3 days of delivery for:

 

    Refunds/Replacements

    Missing parts inquiries

    Product guidance

 

Please Avoid:

• Feedback related to shipping carriers (we can’t control delays)

• Comments about pricing (set by market value)

• Claims without prior contact attempts

 

General Reminders:

• Check your spam folder for tracking emails

• Inspect packages before discarding outer boxes

• Save receipts for warranty purposes


MadHornets has given our customers the best Auto parts, Motorcycle parts available on the market. We do it all, from motorcycle, cars and trucks to SUVs and more. Basically, if it’s on wheels and you need it, we can handle it.

With our extensive knowledge and experience in this industry, we continue to bring you the best auto, motorcycle parts.

We have more than 20,000 square meters of self-owned or third-party warehousing and logistics bases in the United States, the United Kingdom, Australia and other countries, and have a complete supply chain system to deliver high-quality products from all over the world to consumers. We are also committed to the development of Electronics, Home Garden, Stage Lights and other categories.

MadHornets continues to bring you superior quality and cost effective products. We always stand behind our products by our Money Back Guarantee and Manufacturer Warranty. Don't hesitate, add this store to you favorites
Shipping

🚗Shipping Time:

Royal Mail/Evri/Yodel 5-7 working days include Handling time.

• Dispatch Time: Orders placed before 2 PM GMT shipped same day (Mon-Fri)

• Courier: Royal Mail / Evri / Yodel

• Highlands & Islands: +1-2 working days (postcode exceptions apply)

"Need it faster? Choose 'Express Delivery' at checkout!"

The estimated arrival times are specified directly from information provided by our couriers. These are estimates only and not a guaranteed delivery date.

Returns

We offer 60-day free returns for your peace of mind. To qualify for a full refund:

Contact Us First: Please message us through eBay Messages before opening a return request - we'll work with you to resolve any issues promptly.

 

For a faster resolution, please contact us first to discuss your return request.

If the return is due to change of mind, select "Didn't like item" or "Ordered by mistake".

For tem not as described, provide details and photos to help us assist you promptly.

 

 Inspection Process: All returns are inspected upon arrival. We reserve the right to refuse refunds if:

    Item shows signs of use/wear

    Return doesn't match the original product condition:missing/damaged

 

How Returns Work:

Contact us → We provide return instructions → Ship back securely

Refunds issued within 3-5 business days after warehouse approval

Original payment method will be credited (processing time may vary by bank)

Important Notes:

• Buyer pays return shipping if reason isn't seller error

• We recommend using tracked shipping for returns

• For defective items: Contact us immediately with photos/video evidence

 

We stand behind our products and will work to ensure your complete satisfaction!

Warranty

Warranty Coverage:

90-365 Day Coverage (varies by product - see listing details)

✅ Excludes: Physical damage, liquid exposure, unauthorized repairs

✅ Required: Proof of purchase + clear defect photos/video

✅ Solution: Repair/replacement at seller's discretion

 

Claim Process:

1、Contact us within warranty period

2、Provide order number + defect evidence

3、We respond within 48h with solution

Feedback

Our Feedback Promise

Your Satisfaction Matters Most!

We work hard to earn your 5-star experience. Before leaving feedback, please:

1、Contact us first if there’s any issue – we’ll make it right!

2、 Verify your item meets expectations (check sizing/compatibility if applicable)

3、 Allow reasonable time for shipping/delivery

 

*** Ideal Feedback Includes:

✅ "Accurate description, fast shipping"

✅ "Great customer service"

✅ "Well-packaged, as advertised"

 

Problem Resolution Guarantee:

Message us within 3 days of delivery for:

 

    Refunds/Replacements

    Missing parts inquiries

    Product guidance

 

Please Avoid:

• Feedback related to shipping carriers (we can’t control delays)

• Comments about pricing (set by market value)

• Claims without prior contact attempts

 

General Reminders:

• Check your spam folder for tracking emails

• Inspect packages before discarding outer boxes

• Save receipts for warranty purposes


About us
MadHornets has given our customers the best Auto parts, Motorcycle parts available on the market. We do it all, from motorcycle, cars and trucks to SUVs and more. Basically, if it’s on wheels and you need it, we can handle it.

With our extensive knowledge and experience in this industry, we continue to bring you the best auto, motorcycle parts.

We have more than 20,000 square meters of self-owned or third-party warehousing and logistics bases in the United States, the United Kingdom, Australia and other countries, and have a complete supply chain system to deliver high-quality products from all over the world to consumers. We are also committed to the development of Electronics, Home Garden, Stage Lights and other categories.

MadHornets continues to bring you superior quality and cost effective products. We always stand behind our products by our Money Back Guarantee and Manufacturer Warranty. Don't hesitate, add this store to you favorites