RK Transmission Kit Open Chain MXU Gold 106-520 Sprocket 48z Gear 14z for Yamaha YZ
for YAMAHA YZ 250
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FIND YOUR BIKE - compatibility table
-16%
Special Price €114.90 Regular Price €136.40The Motorcycle Transmission Kit is the ideal solution for those seeking high performance and reliability. Composed of an RK chain, a JT sprocket, and a JT rear sprocket, this kit is designed to ensure smooth and long-lasting operation.
The RK chain, with a pitch of 520 and a length of 106 links, is made with UW-Ring technology, offering a tensile strength of up to 3400 kg. Its open design and gold color, both externally and internally, not only provide an attractive appearance but also ensure optimal performance. With a constant pitch index of 600 and a clip closure system, this chain is perfect for tackling any type of terrain.
The JT rear sprocket, with an inner diameter of 152 mm and a PCD of 164, is constructed from robust steel and features 48 teeth for efficient power transmission. The six flat-head mounting bolts guarantee unparalleled stability, while the bolt hole diameter of 8.5 mm ensures perfect compatibility with your vehicle.
Completing the kit is the JT sprocket, equipped with a wide engagement and a tooth count of 14. With an inner diameter ranging from 21 to 25 mm and a hole spacing of 42 mm, this sprocket is designed for secure mounting and optimal power transmission.
Choosing the Transmission Kit means investing in a transmission system that combines performance and durability, perfect for motorcyclists who do not want to compromise.
- RK Chain: pitch 520, length 106 links
- Tensile strength: 3400 kg
- Design: open, gold color externally and internally
- Constant pitch index: 600
- Closure system: clip
- JT Rear Sprocket: inner diameter 152 mm, PCD 164
- Teeth of the rear sprocket: 48
- Material of the rear sprocket: robust steel
- Number of mounting bolts: 6, flat head
- Bolt hole diameter: 8.5 mm
- JT Sprocket: number of teeth 14
- Inner diameter of the sprocket: variable between 21 and 25 mm
- Hole spacing of the sprocket: 42 mm
| Links | 106 |
|---|---|
| Pitch | 520 |
| Chain | Open |
| Chain Type | MXU |
| Chain Color | Gold |
| Crown Teeth | 48 |
| Crown Inner Diameter | 152 mm |
| Hole spacing | 164 mm |
| Pinion teeth | 14 |
| Pinion Diameter | 21/25 mm |
| Pinion Coupler | Big |








