RK Transmission Kit Open Chain KXZ Gold 116 Links 520 Sprocket 50 Teeth Pinion 13 Teeth
for YAMAHA YZ 125
Check the compatibility with your motorcycle
FIND YOUR BIKE - compatibility table
-16%
Special Price €87.30 Regular Price €103.40The Motorcycle Transmission Kit is the ideal solution for those looking to optimize their vehicle's performance. This kit includes an RK chain, a JT sprocket, and a JT rear sprocket, designed to work in perfect synergy and ensure smooth and reliable operation.
The RK chain, with a pitch of 520 and a length of 116 links, features a tensile strength of 3500 kg, ensuring robustness and durability. Its open design and gold color, both externally and internally, not only add a touch of style but also allow for simplified maintenance. The clip closure facilitates installation, making the process quick and hassle-free.
The JT rear sprocket, with an inner diameter of 152 mm and a PCD of 164, is made of steel to ensure superior strength. With 50 teeth and a six-bolt flat head fastening system, it offers exceptional stability and precise response during riding.
The JT sprocket completes the kit with a small engagement and a variable number of teeth between 13 and 14, allowing the transmission to be adapted to the specific needs of the rider. With an inner diameter ranging from 17.7 mm to 20 mm, it integrates perfectly with the chain and rear sprocket, ensuring optimal power transmission.
- RK Chain: pitch 520, length 116 links
- Chain tensile strength: 3500 kg
- Chain design: open, gold color (external and internal)
- Chain closure: clip for quick installation
- JT Rear Sprocket: inner diameter 152 mm, PCD 164
- Rear sprocket material: steel
- Number of teeth on the rear sprocket: 50
- Rear sprocket fastening system: six bolts with flat head
- JT Sprocket: small engagement, variable number of teeth between 13 and 14
- Inner diameter of the sprocket: between 17.7 mm and 20 mm
| Links | 116 |
|---|---|
| Pitch | 520 |
| Chain | Open |
| Chain Type | KXZ |
| 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 |








