RK Transmission Kit Open Chain MXU Gold 112-520 Sprocket 50z Chainring 13z for Yamaha YZ
for YAMAHA YZ 125
Check the compatibility with your motorcycle
FIND YOUR BIKE - compatibility table
-16%
Special Price €120.00 Regular Price €142.50Enhance your motorcycle's performance with our transmission kit, a perfect set of components designed to ensure efficiency and durability. This kit includes an RK chain, a JT sprocket, and a JT rear sprocket, all made to provide an unparalleled riding experience.
The RK chain, with a pitch of 520 and a length of 112 links, features an innovative UW-Ring O-Ring system that ensures optimal lubrication and a tensile strength of 3400 kg. Its open design and gold color, both inside and out, not only give it an attractive appearance but also guarantee excellent performance under intense usage conditions.
- RK Chain
- Pitch: 520
- Length: 112 links
- System: UW-Ring O-Ring
- Tensile strength: 3400 kg
- Design: Open, gold color
The JT rear sprocket, with an inner diameter of 152 mm and a PCD of 164, is designed for secure mounting with its 6 flat head bolts. With 50 teeth and made of steel, this sprocket offers uncompromising strength, ensuring smooth and responsive power transmission.
- JT Rear Sprocket
- Inner diameter: 152 mm
- PCD: 164
- Number of teeth: 50
- Material: Steel
- Mounting: 6 flat head bolts
The JT sprocket completes the kit with a small spline mount, available with 13 or 14 teeth, to perfectly suit your riding needs. With an inner diameter ranging from 17.7 mm to 20 mm, this component ensures optimal compatibility with your motorcycle.
- JT Sprocket
- Mounting: Small spline
- Number of teeth: 13 or 14
- Inner diameter: 17.7 mm - 20 mm
| Links | 112 |
|---|---|
| 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 |








