1. Rear & Brake Light Assemblies Offers
  2. sku: 18740515309101602
  3. YAMAHA 275-84517-00-00

YAMAHA 275-84517-00-00 Dt Tail Brake Light Wire Harness DT1

fits model: Dt250, 250. make: Yamaha. year: 1971.

275-84517-00-00 Yamaha 1971 Dt250 Dt 250 Dt1 Dt2 Tail Brake Light Wire Harness

( Part Type: Wire Brake Light Harness ), ( Oe/oem Part Number: 275-84517-00-00 ), ( UPC: 275845170000 )

Review YAMAHA Dt Dt1 Dt2 Tail Brake Light Wire Harness fits DT250 250 1971

The **Yamaha 275-84517-00-00 1971 DT250 Tail Brake Light Wire Harness** is a meticulously crafted, high-quality replacement component designed to restore both functionality and authenticity to your classic Yamaha DT250 motorcycle from the early 1970s. This wire harness is a direct-fit solution, meticulously engineered to replicate the original factory wiring configuration, ensuring seamless integration with the tail brake light assembly and the motorcycle s electrical system. Crafted from durable, corrosion-resistant materials, this harness features precision-wound wires and robust connectors that are built to withstand the rigors of daily riding, harsh weather conditions, and the test of time just like the original. The design prioritizes reliability, with carefully insulated and shielded wiring to prevent interference and ensure a stable electrical connection, which is critical for proper brake light operation and overall motorcycle safety. Whether you're restoring a show-worthy vintage bike or simply maintaining your daily rider, this harness delivers the performance and durability expected from Yamaha s legendary engineering. Its compatibility with the 1971 DT250 model ensures that it fits perfectly without the need for modification, allowing for a hassle-free installation process. By choosing this genuine or high-quality aftermarket replacement, you re not only preserving the integrity of your motorcycle s original design but also investing in a component that enhances its resale value and ensures long-term reliability. Ideal for both DIY enthusiasts and professional mechanics, this wire harness is a must-have for anyone seeking to complete their DT250 s electrical system with precision and care.

### **Pros and Cons of buying a Yamaha DT250 Tail Brake Light Wire Harness (Part #275-84517-00-00, 1971 Model)**

#### **Pros:**

1. **Direct Compatibility** This part is specifically designed for the 1971 Yamaha DT250, ensuring a proper fit without modifications. The wiring harness connects the tail light to the brake system, which is essential for safety and legality.

2. **Reliability** Yamaha parts are generally built to last, and aftermarket or genuine replacement harnesses maintain the same quality standards. A functional tail light and brake light circuit reduces the risk of mechanical failure.

3. **Safety and Legality** Many jurisdictions require working brake lights for legal operation. A properly installed tail brake light wire harness ensures compliance with traffic laws, avoiding fines or registration issues.

4. **Ease of Installation** Since this is a direct replacement, wiring should be straightforward for someone with basic mechanical skills. The harness connects to existing brake and tail light circuits, reducing the need for complex modifications.

5. **Prevents Future Issues** A faulty or missing brake light wire can lead to corrosion, short circuits, or complete failure of the lighting system. Replacing it now prevents potential breakdowns during rides.

6. **Cost-Effective** Compared to full brake light assemblies or custom wiring, this harness is a relatively inexpensive fix. It avoids the need for additional parts like switches or bulbs if they are already functional.

7. **Preserves Original Functionality** The DT250 s tail brake light system is simple but effective. Replacing just the harness ensures the original braking and lighting mechanism continues to work as intended.

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#### **Cons:**

1. **Age of the Part** While the part itself may be reliable, finding a high-quality supplier can be challenging. Some sellers may offer counterfeit or low-grade replicas that fail prematurely.

2. **Potential for Counterfeit Parts** Due to the vintage nature of the DT250, some online marketplaces may sell fake or mismatched parts. Always verify the seller s reputation and authenticity before purchasing.

3. **Wiring Corrosion Risk** Older bikes often have corroded wiring or connectors. Even with a new harness, existing corrosion in the brake or tail light circuit could cause intermittent failures.

4. **Limited Availability** Genuine Yamaha parts for older models can be hard to find, especially from authorized dealers. Buyers may need to source from specialty motorcycle shops or online auctions.

5. **Installation Challenges** If the bike has been modified or abused over the years, the existing wiring may be damaged or misrouted. Proper installation requires careful inspection of the entire circuit.

6. **No Upgrade Benefits** This is a direct replacement, meaning it does not improve upon the original design. If the tail light itself is failing, replacing just the harness won t fix bulb or housing issues.

7. **Potential for Overpaying** Due to the bike s vintage status, some sellers may inflate prices. Buyers should compare prices across multiple sources to ensure they re getting a fair deal.

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### **Conclusion:**

The **Yamaha DT250 tail brake light wire harness (275-84517-00-00)** is a practical and necessary part for maintaining your 1971 DT250 s functionality and legality. The benefits of reliability, safety, and ease of installation outweigh the minor drawbacks, provided the part is genuine and installed correctly. However, buyers must exercise caution to avoid counterfeit parts and ensure the rest of the bike s wiring is in good condition.

### **Recommendation:**

- **Buy from a reputable seller** Prefer authorized Yamaha dealers, specialty motorcycle parts stores, or well-reviewed online marketplaces (eBay, eCycleMotorcycle, or Facebook Marketplace with verified sellers).

- **Inspect the wiring before purchase** If possible, examine the harness for quality, labeling, and packaging. Ask for a return policy in case of defects.

- **Check for corrosion** Before installing, clean and inspect the bike s existing brake and tail light wiring for corrosion or damage. Use electrical contact cleaner if needed.

- **Consider a full brake light assembly** If the tail light itself is failing, it may be more cost-effective to replace the entire unit rather than just the harness.

- **Document the installation** Take photos or notes during installation to troubleshoot if issues arise later.

**Final Verdict:** If you need a reliable, direct replacement for your DT250 s tail brake light wiring, this part is worth purchasing just ensure you get a genuine, high-quality version and address any underlying wiring issues. For most riders, the convenience and safety benefits justify the purchase.

Details:

MAY ALSO FIT: 1973. We primarily use USPS and UPS as our shipping companies. Model # DT1 DT2 DT1F. 1971 YAMAHA DT250 DT 250 DT1 DT2 TAIL BRAKE LIGHT WIRE HARNESS: GOOD.

MOTOR# DT1F-149753.

part #: 275845170000 prices

  • $17.05-$23.99

specifications cyclerearbrake:

  • for models: Dt250, 250
  • for makes: Yamaha
  • for years: 1971
  • part type: Wire Brake Light Harness
  • oe/oem part number: 275-84517-00-00
  • upc: 275845170000

general cyclerearbrake:

  • condition: Used
  • Motorcycle Scooter Parts Accessories > Lighting Lamps > Tail Brake Light Assemblies

offer cyclerearbrake:

  • availability: In Stock
  • quantity: 1
  • sold: 0
  • options: Ship-to-home
  • started: February 28, 2026

seller cyclerearbrake:

  • rating: 99.8%
  • # reviews: 107132
  • city: Spokane, Washington

payments cyclerearbrake:

  • credit card: Diners-club
  • wallet: Google-pay
  • other

shipping cyclerearbrake:

  • cost: $7.50
  • type: Fixed
  • service: USPS Ground Advantage
  • carrier: USPS
  • transit: 4-7 Days
  • class: Standard

returns cyclerearbrake:

  • policy: Returns Accepted
  • time: 30 Days
  • paid by: Seller
for models: dt250, 250, for makes: yamaha, for years: 1971, part type: wire brake light harness, oe/oem part number: 275-84517-00-00,
category: motorcycle parts > motorcycle scooter parts accessories > lighting lamps > tail brake light assemblies, sku: 18740515309101602,
Yamaha 275-84517-00-00 Is Similar To:
cyclerearbrake logo
4 offers $17.05–$23.99 USD
  • New. Offer #1 priced at $23.99 + $0.00 shipping estimate = $23.99* total. I have list of inventory and if you know the part number I can answer if I have.FREE SHIPPING
  • Used. Offer #2 priced at $17.05 + $7.50 shipping estimate = $24.55* total. MODEL# DT1 DT2 DT1F.+$7.50 shipping
  • Used. Offer #3 priced at $22.88 + $11.62 shipping estimate = $34.50* total. OEM YAMAHA DT2 DT3 RT1 RT1B RT2 RT3.+$11.62 shipping
  • New. Offer #4 priced at $35.61 + $0.00 shipping estimate = $35.61* total. This Sale is for 1- New Remanufactured Tail light / Brake light wires in the correct grey loom. DT1 DT2 DT3.FREE SHIPPING

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