RK Transmission Kit Open Chain MXU Gold 112-520 Sprocket 49z Pinion 13z for Yamaha YZ
for YAMAHA YZ 125
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-16%
Special Price €119.40 Regular Price €141.70Enhance the performance of your motorcycle with the complete transmission kit, designed to ensure an unparalleled riding experience. This kit includes an RK chain, a JT sprocket, and a JT rear sprocket, all made to provide perfect synergy and exceptional durability.
The RK chain, with a pitch of 520 and a length of 112 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 externally and internally, not only give it an attractive appearance but also guarantee high performance. With a constant pitch index of 600 and a clip closure system, this chain is ready to support your on-road and off-road adventures.
The JT rear sprocket, with an inner diameter of 130 mm and a PCD of 150 mm, is designed for secure mounting thanks to its 6 countersunk bolts. With 49 teeth and made of durable steel, this sprocket offers quick response and greater acceleration, allowing you to tackle every curve with confidence.
The JT sprocket, featuring a small engagement mount and a tooth count that varies between 13 and 14, is the final element that completes this kit. With an inner diameter ranging from 17.7 mm to 20 mm, it integrates perfectly with the chain and rear sprocket, ensuring smooth power transmission.
- RK chain: pitch 520, length 112 links
- O-Ring UW-Ring for optimal lubrication
- Tensile strength: 3400 kg
- Open design with gold color externally and internally
- Constant pitch index: 600
- Clip closure system
- JT rear sprocket: inner diameter 130 mm, PCD 150 mm
- Secure mounting with 6 countersunk bolts
- 49 teeth, made of durable steel
- Greater acceleration and quick response
- JT sprocket: small engagement mount
- Tooth count: varies between 13 and 14
- Inner diameter: ranges from 17.7 mm to 20 mm
| Links | 112 |
|---|---|
| Pitch | 520 |
| Chain | Open |
| Chain Type | MXU |
| Chain Color | Gold |
| Crown Teeth | 49 |
| Crown Inner Diameter | 130 mm |
| Hole spacing | 150 mm |
| Pinion teeth | 13 |
| Pinion Diameter | 17.7/20 mm |
| Pinion Coupler | Small |








