fits model: Ttr90e, Ttr-90, Ttr90. make: Yamaha. year: 1990–2007.

( Manufacturer Part Number: 4GL-17421-00-00 ), ( Part Type: Transmission )
The 4GL-17421-00-00, 5dv-17221-00-00, TTR90E 90, 2000-2007, and its counterparts, 5dv-17231-00-00 and TTR90, are essential components for your Yamaha TTR-90 off-road motorcycle. This transmission countershaft is a crucial part of the bike's drivetrain, responsible for transferring power from the primary drive to the final drive.
The 4GL-17421-00-00 and 5dv-17221-00-00 share the same designation as the TTR90E 90 and 2000-2007 models, while the 5dv-17231-00-00 and TTR90 refer to the later versions of the Yamaha TTR-90. Regardless of the specific model, this countershaft is a vital piece of equipment that ensures smooth, reliable operation of your off-road bike.
Made of high-quality materials, this transmission countershaft is designed to withstand the rigors of off-road riding. The countershaft features precise machining and finishing, ensuring precise engagement with the gears in the transmission. The durability of the countershaft is further enhanced by its hardened and heat-treated shaft, ensuring long-lasting performance.
The countershaft is also easy to install, with clear installation instructions provided. The replacement process is straightforward, allowing you to get back on the trails quickly. This countershaft is also a perfect upgrade option for those looking to improve the performance of their TTR-90.
In summary, the 4GL-17421-00-00, 5dv-17221-00-00, TTR90E 90, 2000-2007, 5dv-17231-00-00, and TTR90 transmission countershafts are essential components for your Yamaha TTR-90 off-road motorcycle. Their high-quality design and construction, coupled with their easy installation, make them an excellent choice for maintaining or upgrading your TTR-90.
The Yamaha TTR90/5dv-172xx series transmissions are popular among off-road enthusiasts due to their durability and performance. Here are some pros and cons of buying this transmission:
Pros:1. Reliability: These transmissions have a proven track record of durability and reliability, making them a popular choice among off-road riders.
2. Wide Availability: Parts are widely available, making repairs and maintenance relatively easy and inexpensive.
3. Performance: The transmission provides smooth shifting and good power delivery, making it suitable for both beginner and experienced riders.
4. Affordability: Compared to newer models, these transmissions are generally more affordable, making them a good option for budget-conscious buyers.
Cons:1. Age: Being older models, they may not have all the advanced features found in newer transmissions.
2. Limited Compatibility: These transmissions are only compatible with specific Yamaha TTR90/5dv-172xx series models (2000-2007 90e TTR, TTR90, and TTR5dv-172xx).
3. Manual Transmission: Some riders may prefer an automatic transmission, which is not an option with this model.
Conclusion:If you're looking for a reliable, affordable, and durable transmission for your Yamaha TTR90/5dv-172xx series off-road bike, this is a great option. The wide availability of parts and the fact that it provides smooth shifting and good power delivery are significant advantages. However, keep in mind that it's an older model with limited compatibility and features compared to newer transmissions. Ultimately, the decision to buy this transmission depends on your specific needs and preferences.