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JT Rear Steel Sprocket 51 Tooth/520 Pitch
- Part #
- 1263590217
- Mfr. part #
- JTR251.51 / JTR251.51SC
- Availability
- In stock
Check if it fits your vehicle
Only vehicles this part fits are listed.
- Fast Reliable Shipping
- Easy 30-Day Returns
Description
Upgrade your drivetrain with the JT Rear Sprocket Steel 51T-520 Sc Hon/yam. Manufactured exclusively from the finest Japanese 545C high carbon steel, this steel rear sprocket is heat treated and hand finished to meet or exceed O.E.M. standards. Its robust construction allows it to outlast any mild steel or surface hardened sprocket as much as two or three times over, delivering quality at economical prices.
Designed as a direct replacement rear motor vehicle part, this sprocket features verified fitment for Yamaha 1999-2023 applications, including top models like the Yamaha YZ125, Yamaha YZ250, Yamaha YZ250F, Yamaha YZ450F, and Yamaha WR450F across 179 vehicle configurations. Please verify your exact year, make, and model before ordering.
Specifications
| Brand | JT |
|---|---|
| Part # | 1263590217 |
| Manufacturer part # | JTR251.51 / JTR251.51SC |
| Product type | Drive |
| Category | Drive |
| UPC | 824225315615 |
Fitment (15)
| Make | Model | Years |
|---|---|---|
| Yamaha | TT-R230 | 2005-2009, 2011-2020 |
| Yamaha | WR250F | 2007-2013, 2015-2020 |
| Yamaha | WR400F | 1999 |
| Yamaha | WR426F | 2001-2002 |
| Yamaha | WR450F | 2003-2021 |
| Yamaha | YZ125 | 1999-2021 |
| Yamaha | YZ125X | 2020-2021 |
| Yamaha | YZ250 | 1999-2021 |
| Yamaha | YZ250F | 2001-2021 |
| Yamaha | YZ250FX | 2016-2021 |
| Yamaha | YZ250X | 2016-2021 |
| Yamaha | YZ400F | 1999 |
| Yamaha | YZ426F | 2000-2002 |
| Yamaha | YZ450F | 2003-2021 |
| Yamaha | YZ450FX | 2016-2021 |
Shipping & Returns
Is shipping free?
Yes. Shipping is free on every order to a US address, and we email you the tracking number when it ships.
What shipping options are available?
Orders are shipped via FedEx, USPS, OnTrac, or other reputable carriers, depending on the most suitable option for your order. Please contact us for expedited shipping requests.
Do you ship outside the USA?
Currently, we ship within the United States only.
Do you ship to Alaska and Hawaii?
Yes, we ship to Alaska and Hawaii.
What could cause a shipping delay?
Delays may occur due to incorrect shipping addresses, carrier disruptions, or holiday periods. If an address issue affects delivery, we will contact you using the information provided with your order.
How do I return an item?
Items may be returned within 30 days of delivery, provided they are unused, in new condition, and in their original packaging. Please contact us with your order number to initiate a return.
Customers are responsible for return shipping costs for ordering errors or change-of-mind returns. If we send an incorrect or damaged item, please email us with your order number and photos of the item. If the error is confirmed to be ours, we will cover the return shipping costs.
Refunds are based on the purchase price of the returned product and are processed after the return is approved and inspected.
See our shipping policy, refund policy and FAQ.















