fits model: Tx500, Xs500. make: Yamaha. year: 1973–1975.

( Manufacturer Part Number: 90387-20438 ), ( Type: Collar ), ( Oe/oem Part Number: 90387-20438-00 ), ( Placement On Vehicle: Rear Wheel )
The Yamaha 90387-20438 is a crucial component for the rear wheel assembly of select Yamaha motorcycle models from the early 1970s. Specifically, this part is designed to fit the 1973 and 1974 TX500 and the 1975 XS500 motorcycles. This axle spacer collar functions as an essential connection point between the rear wheel axle and the swingarm.
Measuring approximately 3.2 inches in length, 1.7 inches in width, and 1 inch in height, this spacer collar is meticulously engineered to provide a secure and reliable connection between these key components. The collar is crafted from high-quality steel, ensuring both durability and strength.
The exterior of the collar features a smooth, polished finish, while the interior boasts a threaded design with a 7/16 UNF (Unified National Fine) thread pattern. This threading allows the collar to be securely fastened to the axle, providing a reliable connection that can withstand the rigors of regular use.
It's important to note that this part is a replacement for worn-out or damaged original collar. Installing a new Yamaha 90387-20438 axle spacer collar can help prevent wheel wobble and ensure proper alignment of the rear wheel. Additionally, it may be necessary to replace other related components, such as bearings or seals, during the installation process to ensure optimal performance from your motorcycle.
In summary, the Yamaha 90387-20438 is an essential replacement part for the rear wheel assembly of select Yamaha motorcycle models from the early 1970s. Its precise dimensions, high-quality steel construction, and threaded design ensure a secure and reliable connection between the rear wheel axle and swingarm. By installing this replacement collar, you can restore the performance and safety of your vintage motorcycle.
a. Essential Part: This rear wheel axle spacer collar is an essential component for the proper functioning of the rear wheel assembly on 1973-1975 TX500 and XS500 motorcycles.
b. Improved Performance: A worn-out or damaged spacer collar can lead to wheel wobble, affecting handling and overall performance. Replacing it with a new one will ensure improved stability and safety while riding.
c. OEM (Original Equipment Manufacturer) Part: This Yamaha part is specifically designed for use on 1973-1975 TX500 and XS500 motorcycles, ensuring a perfect fit and compatibility.
d. Durability: The new spacer collar is engineered to last longer than the original one, reducing the frequency of replacements and saving you money in the long run.
2. Cons:a. Cost: Replacing a rear wheel axle spacer collar can be considered an expense for some, especially if the part is not currently causing any noticeable issues.
b. Availability: Depending on the location and the specific motorcycle model, it might be difficult to find this part locally, requiring an order from an online retailer or a special visit to a dealership.
c. Installation Complexity: Installing the new spacer collar may require some mechanical skills, and it's essential to follow the correct installation procedure to avoid any potential issues.
Conclusion:The decision to buy a Yamaha rear wheel axle spacer collar (90387-20438) for a 1973-1975 TX500 or XS500 motorcycle depends on the current condition of the existing part, the rider's preference for safety and performance, and the availability of the part in their area. While there are some cons to consider, the benefits of improved handling, reliability, and long-term savings often outweigh the costs and installation complexities.
Recommendation:If you own a 1973-1975 TX500 or XS500 motorcycle and are unsure about the condition of your rear wheel axle spacer collar, we recommend inspecting it thoroughly and considering replacing it with a new OEM part if there are any signs of wear or damage. This investment in a crucial part will enhance your riding experience and ensure the safety and longevity of your motorcycle.
NOS OEM Rear Wheel Axle Spacer Collar, 90387-20438, Yamaha 1973 1974 TX500 1975 XS5 From dealer stock. GLOBAL SHIPPING AVAILABLE !!, Bazooka Garage ships WORLDWIDE via US Postal Service. Bazooka Garage will provide discounts on shipping when more than one item is purchased and shipped to the same address.