fits make: Yamaha.

( Part Type: Speedometer Drive Gear ), ( UPC: 351251350000 )
The **Yamaha 351-25135-00-00 Speedometer Drive Gear** is a precision-engineered component designed specifically for Yamaha motorcycles, ensuring accurate and reliable speedometer readings while maintaining optimal performance and longevity. This high-quality gear is crafted from durable, heat-treated steel, engineered to withstand the demanding conditions of high-speed operation and prolonged use. Its robust construction minimizes wear and tear, reducing the risk of premature failure and ensuring consistent functionality over thousands of miles. The gear features a meticulously machined design with tight tolerances, allowing for smooth engagement with the speedometer cable or sensor, thereby eliminating erratic readings or mechanical slippage. Whether installed on classic cruisers, sport bikes, or touring models, this gear seamlessly integrates into Yamaha s speedometer systems, delivering precise speed and odometer data with every rotation. Its compatibility with a wide range of Yamaha motorcycles including popular models from the V-Star, MT, and FJR series makes it an essential replacement part for riders seeking to restore or enhance their bike s instrumentation. Built to exacting standards, this gear not only restores confidence in your motorcycle s performance metrics but also contributes to the overall reliability and safety of the ride. For enthusiasts and mechanics alike, the **Yamaha 351-25135-00-00 Speedometer Drive Gear** represents a dependable solution for maintaining accurate speedometer functionality, ensuring that every journey is tracked with precision.
### **Pros and Cons of buying a Yamaha 351-25135-00-00 Speedometer Drive Gear (NOS)**
#### **Pros:**1. **Original (NOS) Condition** Being new old stock (NOS), this part is unused and in excellent condition, ensuring reliability and longevity. It avoids potential wear or damage from used parts.
2. **Direct Fitment** The Yamaha 351-25135-00-00 is designed specifically for certain Yamaha motorcycles, particularly older models like the **YZF600R, FZR600, or other 1990s-era bikes** with the same speedometer system. This reduces compatibility risks.
3. **Prevents Speedometer Malfunctions** A faulty or missing speedometer drive gear can cause inaccurate speed readings, tachometer issues, or complete failure of the speedometer. Replacing it ensures proper function.
4. **Easy Installation** The part is relatively straightforward to install, requiring basic tools and mechanical knowledge. Most mechanics or DIY riders can handle it without professional assistance.
5. **Cost-Effective for Long-Term Use** While the upfront cost may seem high, replacing a worn-out or damaged gear prevents costly repairs to the speedometer or wiring later.
6. **Availability of Parts** Since it s a common component, finding replacements or additional information is easier than with rare or discontinued parts.
7. **Maintains Bike Value** Keeping original or high-quality aftermarket parts can help preserve the bike s resale value, especially for collectors or enthusiasts.
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#### **Cons:**1. **Potential Overkill for Some Riders** If the bike is heavily modified or no longer used for riding, replacing a single gear may not be necessary, making the purchase unnecessary.
2. **Cost Consideration** The part is not extremely expensive, but if the speedometer itself is failing, replacing just the drive gear may not fully resolve the issue, requiring additional spending.
3. **Compatibility Risks** While Yamaha parts are generally reliable, there is a slight chance of misalignment or improper fitment if the installation is not done carefully. Double-checking the model year and speedometer type is crucial.
4. **Limited Lifespan of the Speedometer Itself** If the speedometer unit is old or failing, replacing just the drive gear won t fix underlying electrical or mechanical issues in the speedometer.
5. **No Warranty (If NOS)** Since NOS parts are pre-owned but unused, they typically come without a manufacturer warranty. Any defects would need to be addressed by the seller or the buyer s own assurance of quality.
6. **Time-Consuming for DIYers** While simple, removing the speedometer and reinstalling the gear may require some disassembly, which could be tedious for those unfamiliar with the process.
7. **Market Availability Fluctuations** Depending on demand, finding NOS parts at competitive prices may vary, and some sellers might charge premium prices for "like-new" condition.
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### **Conclusion:**The **Yamaha 351-25135-00-00 speedometer drive gear (NOS)** is a solid, reliable part for restoring or maintaining accurate speedometer function in compatible Yamaha motorcycles. Its **unused condition, direct fitment, and ease of installation** make it a worthwhile purchase for riders who prioritize functionality and longevity. However, it is not a universal fix if the speedometer itself is failing, additional repairs may be needed.
For **restoration projects, classic bike maintenance, or ensuring accurate instrumentation**, this part is highly recommended. For **casual riders or those with non-functional bikes**, the cost-benefit may not justify the purchase unless the speedometer is confirmed to be the root issue.
### **Final Recommendation:** **Buy the part if:**- Your Yamaha bike s speedometer is inaccurate or not working due to a faulty drive gear.
- You are restoring or maintaining a classic or high-mileage bike where reliability matters.
- You are comfortable with basic mechanical work or have access to a mechanic for installation.
**Avoid buying if:**- The speedometer itself is beyond repair, and you re only replacing the gear as a temporary fix.
- The bike is heavily modified or no longer ridden, making the part unnecessary.
- You cannot confirm compatibility with your exact model and speedometer type.
For most cases where the speedometer drive gear is the identified issue, **this NOS part is a smart, cost-effective solution.** Always verify the part number matches your bike s specifications before purchasing.
New OEM Yamaha 351-25135-00-00 Speedometer Drive Gear NOS. Shows signs of shelf wear. Speedometer Drive Gear is new and in good condition, not original packaging. Pictures: Thumbnails.
If the original package is included it may show signs of wear. All parts are in stock and ready to ship. Items are shipped using USPS, UPS, and FedEx.