RK chain MXU transmission kit gold 116-520 50T sprocket 13T for Yamaha YZ
for YAMAHA YZ 125
Check the compatibility with your motorcycle
FIND YOUR BIKE - compatibility table
-16%
Special Price €123.10 Regular Price €146.10Enhance your motorcycle's performance with our transmission kit, a perfect set of components designed to ensure a smooth and responsive ride. This kit includes an RK chain, a JT sprocket, and a JT rear sprocket, all crafted to provide unparalleled reliability and exceptional durability.
The RK chain, with a pitch of 520 and a length of 116 links, features an O-Ring UW-Ring that ensures optimal lubrication and a tensile strength of 3400 kg. Its open design and gold color, both inside and out, not only make it aesthetically pleasing but also contribute to greater visibility and style on your motorcycle.
The JT sprocket, with an inner diameter of 152 mm and a tooth count of 50, is made from durable steel to tackle the challenges of the road. It is secured with six flat head bolts, ensuring superior stability and safety while riding.
Completing the kit is the JT front sprocket, designed for precise and secure engagement. With an inner diameter ranging from 17.7 mm to 20 mm and a tooth count varying between 13 and 14, it offers quick response and optimal power transmission.
- RK Chain
- Pitch: 520
- Length: 116 links
- Type: O-Ring UW-Ring
- Tensile strength: 3400 kg
- Design: Open, gold color (inside and outside)
- JT Sprocket
- Inner diameter: 152 mm
- Tooth count: 50
- Material: Durable steel
- Mounting: Six flat head bolts
- JT Front Sprocket
- Inner diameter: 17.7 mm - 20 mm
- Tooth count: 13 - 14
| Links | 116 |
|---|---|
| Pitch | 520 |
| Chain | Open |
| Chain Type | MXU |
| Chain Color | Gold |
| Crown Teeth | 50 |
| Crown Inner Diameter | 152 mm |
| Hole spacing | 164 mm |
| Pinion teeth | 13 |
| Pinion Diameter | 17.7/20 mm |
| Pinion Coupler | Small |








