RK Open Chain MXZ5 Transmission Kit Blue 112-520 49T Sprocket 13T for Yamaha YZ
for YAMAHA YZ 125
Check the compatibility with your motorcycle
FIND YOUR BIKE - compatibility table
-16%
Special Price €107.60 Regular Price €127.60The Transmission Kit is the perfect ally for motorcycle enthusiasts looking to optimize their vehicle's performance. This kit includes an RK chain, a JT sprocket, and a JT rear sprocket, all designed to ensure excellent synergy and durability over time.
The RK chain, with a pitch of 520 and a length of 112 links, is made in a stylish blue exterior and black interior, without O-Rings and featuring a clip-type closure. Its tensile strength of 3630 kg ensures reliable performance even in the most demanding conditions.
The JT rear sprocket, with a pitch of 520 and 49 teeth, is constructed from robust steel. With an inner diameter of 152 mm and a PCD of 164 mm, it is equipped with six flat-head mounting bolts, ensuring optimal stability and safety while riding.
The JT sprocket, compatible with the 520 pitch, features a small engagement and a variable number of teeth between 13 and 14, allowing customization of the transmission based on individual riding needs. The inner diameter, which varies between 17.7 mm and 20 mm, ensures perfect adaptability.
- RK Chain
- Pitch: 520
- Number of links: 112
- Color: blue exterior and black interior
- Closure type: clip
- Tensile strength: 3630 kg
- JT Rear Sprocket
- Pitch: 520
- Number of teeth: 49
- Material: steel
- Inner diameter: 152 mm
- PCD: 164 mm
- Number of bolts: 6
- Type of bolts: flat head
- JT Sprocket
- Pitch: 520
- Number of teeth: variable between 13 and 14
- Inner diameter: varies between 17.7 mm and 20 mm
| Links | 112 |
|---|---|
| Pitch | 520 |
| Chain | Open |
| Chain Type | MXZ5 |
| Chain Color | Blue |
| Crown Teeth | 49 |
| Crown Inner Diameter | 152 mm |
| Hole spacing | 164 mm |
| Pinion teeth | 13 |
| Pinion Diameter | 17.7/20 mm |
| Pinion Coupler | Small |








