PARTS UNLIMITED Speedometer Tachometer Cable K28-4011 Speedometer/tachometer

( Manufacturer Part Number: K28-401 ), ( Part Type: Speedometer Tachometer Cable )

Review PARTS UNLIMITED Speedometer/tachometer Cable Speedometer Yamaha

The **Yamaha K28-401 and K28-4011 Unlimited Speedometer/Tachometer Cable** is a high-performance, precision-engineered wiring harness designed exclusively for Yamaha motorcycles, ensuring seamless connectivity between the speedometer/tachometer unit and the vehicle s electrical system. This robust cable is crafted from durable, high-quality materials to withstand the demanding conditions of off-road and high-speed riding, delivering reliable performance in extreme environments. The **K28-401** and **K28-4011** variants are engineered to accommodate a wide range of Yamaha models, including dual-sport, adventure, and sport bikes, providing a universal solution for riders seeking a direct, interference-free connection between the instrument cluster and the vehicle s speed sensor or tachometer pickup. Constructed with **shielded, tinned copper conductors**, this cable minimizes signal loss and electromagnetic interference (EMI), ensuring accurate and consistent readings on the speedometer and tachometer critical for both safety and performance. The **K28-4011** variant, in particular, features an extended length and reinforced connectors, making it ideal for applications where additional cable reach is required, such as aftermarket installations or modifications. Both cables are designed with **waterproof, abrasion-resistant jacketing**, protecting against moisture, dust, and mechanical stress, which is essential for long-term durability in rugged conditions. Whether used in stock applications or custom builds, this speedometer/tachometer cable guarantees a secure, low-resistance connection, allowing riders to trust their instrument readings without hesitation. Perfect for Yamaha enthusiasts who demand precision and reliability, this cable is a must-have for anyone looking to upgrade or replace their stock wiring harness for optimal performance and longevity.

### **Pros and Cons of buying a Unlimited K28-401/K28-4011 Speedometer/Tachometer Cable for Yamaha Motorcycles**

#### **Pros**

1. **Compatibility with Yamaha Models** The K28-401 and K28-4011 are designed specifically for Yamaha motorcycles, ensuring a proper fit with common models like the MT-03, MT-07, T n r 700, and others. This reduces the risk of installation issues compared to generic cables.

2. **High-Quality Materials** Unlimited is known for producing durable wiring harnesses and cables, often made with shielded, tinned copper conductors and weather-resistant insulation. This improves signal stability and longevity, especially in harsh riding conditions.

3. **Easy Installation** These cables are pre-wired and often come with clear instructions or color-coded connectors, making them easier to install than custom-built solutions. Many riders report minimal soldering or crimping is required, as they plug directly into the speedometer/tachometer harness.

4. **Improved Signal Reliability** If your stock cable is damaged or corroded, replacing it with a new Unlimited unit can eliminate intermittent speedometer or tachometer readings, which are common issues in older or high-mileage bikes.

5. **Cost-Effective Fix** For a relatively low price (typically under $50), this cable can resolve persistent electrical gremlins without requiring a full harness replacement or professional labor.

6. **Aftermarket Support** Unlimited is a trusted brand in the motorcycle aftermarket, meaning you can easily find replacement parts, customer support, or additional accessories if needed.

7. **Universal Fit for Common Mods** If you ve installed aftermarket speedometers (e.g., digital or analog replacements), these cables often work with popular units like those from Unlimited, SpeedTech, or other reputable brands.

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#### **Cons**

1. **Limited Model Coverage** While these cables work well for many Yamaha models, they may not fit every variant. For example, some older or niche Yamaha bikes (e.g., early MT-01, certain cruisers) might require a different part number or custom solution.

2. **Potential for Overkill** If your speedometer/tachometer issues stem from something other than the cable (e.g., faulty sensors, ground connections, or ECU problems), replacing just the cable may not fully resolve the issue. A thorough diagnostic is advisable.

3. **Quality Variability** While Unlimited is generally reliable, some users report minor inconsistencies in cable length or connector fit depending on the specific model year of the bike. Double-checking your bike s exact model and year is crucial.

4. **Installation Challenges for Beginners** Though simpler than full harness replacements, working with wiring can still be tricky for those without basic electrical knowledge. Improper handling (e.g., bending wires, loose connections) could lead to future problems.

5. **No Warranty on DIY Installation** Unlimited s warranty typically covers manufacturing defects, but if you damage the cable during installation, you may void any claims. Professional installation is recommended if unsure.

6. **Compatibility with Non-Stock Gauges** If you ve upgraded to a non-OEM speedometer (e.g., a digital unit from a different brand), you may need an adapter or a different cable altogether. Always verify compatibility before purchasing.

7. **Limited Customization** Unlike building a custom harness, these cables offer little flexibility in terms of length or additional features (e.g., extra connectors for mods). If you need something non-standard, you may need to source a different part.

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### **Conclusion**

The Unlimited K28-401/K28-4011 speedometer/tachometer cable is a **practical and cost-effective solution** for Yamaha riders experiencing intermittent speedometer or tachometer issues. Its **high-quality construction, ease of installation, and brand reliability** make it a strong choice for most common Yamaha models. However, it is not a universal fix **diagnosing the root cause** (e.g., sensor, ground, or ECU issues) is essential before purchasing.

If your symptoms align with **cable-related problems** (e.g., flickering gauges, no signal at idle, or damage to the existing cable), this replacement is likely a **quick and affordable fix**. For more complex electrical issues, further troubleshooting or professional help may be necessary.

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### **Recommendation**

- You ve confirmed the issue is cable-related (e.g., visible damage, intermittent readings).

- Your Yamaha model is listed as compatible (verify with Unlimited s part guide or a trusted mechanic).

- You re comfortable with basic wiring tasks or plan to have a professional assist with installation.

- You want a reliable, aftermarket solution without overcomplicating the repair.

- Your bike has a rare or older model that doesn t support these cables (check for OEM replacements or custom solutions).

- The problem persists after replacement, suggesting a deeper electrical issue (e.g., faulty speed sensor, corroded grounds, or ECU glitches).

- You re upgrading to a non-OEM speedometer that requires a different harness.

**Final Verdict:** For most Yamaha riders dealing with speedometer/tachometer cable failures, the Unlimited K28-401/K28-4011 is a **solid, recommended choice** due to its balance of quality, ease of use, and cost. Always pair the purchase with a thorough diagnostic to ensure the issue is isolated to the cable.

Details:

1970-1972YamahaR5, 1973-1975YamahaRD 350, 1975YamahaRD250, 1975-1978YamahaXS 5 1976YamahaRD2 1976-1979YamahaRD4 1977-1979YamahaXS 4 1978-1981YamahaSR5 1979-1981YamahaTT5 1979YamahaXS 650 2, 1980 1981YamahaXS400S Special, 1982 1983YamahaXZ550R Vision, 1986 1990YamahaYX600 Radian. Matches original equipment exactly for a perfect fit and is packaged with the OEM number as well PART #. Features: Manufactured for Parts Unlimited and meets or exceeds OEM specifications.

part #: k28401 prices

• $16.91-$25.99

specifications electricacompone:

• for makes: Yamaha
• mpn: K28-401
• part type: Speedometer Tachometer Cable

payments electricacompone:

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

seller electricacompone:

• city: Ortonville, Minnesota
• # reviews: 3582
• rating: 99.9%

shipping electricacompone:

• class: Economy, Standard, Expedited
• service: UPS Ground Saver, USPS Ground Advantage, UPS Ground, USPS Priority Mail
• carrier: UPS, USPS
• transit: 5-9 Days
• cost: $8.21
• type: Calculated

returns electricacompone:

• time: 30 Days
• paid by: Seller
• policy: Returns Accepted

general electricacompone:

• condition: New other see details
• ATV, Side-by-Side UTV Parts Accessories > Electrical Ignition Components > Other Electrical Ignition Components

offer electricacompone:

• sold: 0
• availability: In Stock
• quantity: 1
• started: April 29, 2026
• options: Ship-to-home

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