JT Twinstar Rear Sprocket YZ125-250 99-23
JT Twinstar Rear Sprocket YZ125-250 99-23
Part no. JTX251.50GR
The JT Twinstar Rear Sprocket YZ125-250 99-23 from JT is listed to fit 6 models, including Yamaha YZ 125 (YZ125) 1999-2023, Yamaha YZ 250 (YZ250) 1999-2023 and Yamaha YZ 250 F (YZ250F) 2001-2023. It is part of our rear sprockets range.
- Part number: JTX251.50GR
- Size: 50 Teeth
- Colour: Grey
- Fits Yamaha: YZ 125 (YZ125) 1999-2023, YZ 250 (YZ250) 1999-2023, YZ 250 F (YZ250F) 2001-2023, YZ 400 F (YZ400F) 1999, YZ 426 F (YZ426F) 2000-2002, YZ 450 F (YZ450F) 2003-2023
- Category: Vehicle Parts › Drivechain › Rear Sprockets
Specifications
| Brand | JT |
|---|---|
| Manufacturer Item No. | JTX251.50GR |
Fits these bikes
This JT part is listed as fitting 6 models. Check your model and year below.
| Make | Model | Years |
|---|---|---|
| Yamaha | YZ 125 (YZ125) | 1999-2023 |
| Yamaha | YZ 250 (YZ250) | 1999-2023 |
| Yamaha | YZ 250 F (YZ250F) | 2001-2023 |
| Yamaha | YZ 400 F (YZ400F) | 1999 |
| Yamaha | YZ 426 F (YZ426F) | 2000-2002 |
| Yamaha | YZ 450 F (YZ450F) | 2003-2023 |
Product details
The JT TwinStar is a high-performance rear sprocket that combines steel and aluminium, built for strength, durability and lower weight.
Key features
- Light core: the centre is aviation-grade Ergal 7075-T6 aluminium, shaped with advanced laser cutting and CNC machining.
- Hard-wearing outer ring: the steel ring is heat-induction hardened for excellent wear resistance, giving up to six times the life of a standard 7075-T6 aluminium sprocket.
- Presentation: comes packed in a high-quality printed carton envelope.
Questions about this part
Will the JT Twinstar Rear Sprocket YZ125-250 99-23 fit my bike?
It is listed for 6 models, including Yamaha YZ 125 (1999-2023), Yamaha YZ 250 (1999-2023), Yamaha YZ 250 F (2001-2023), Yamaha YZ 400 F (1999). The full list is in the "Fits these bikes" table on this page, and the fit check next to the price tells you straight away for your saved bike.
What is the part number?
The manufacturer part number is JTX251.50GR. Our stock code is 340082-GRY-50.
How much is delivery?
Order before 3pm for same day dispatch. UK Next Day delivery is £7.99, and free on orders of £100 or more. Pre 12:00 (£9.99) and Pre 10:00 (£14.99) upgrades are charged at any order value.
Can I return it?
Yes. You can return it within 30 days of delivery for a refund. You pay the return postage unless the item is faulty, damaged or wrong, in which case we cover it. See our Returns page for how. Returns