RK Transmission Kit Open Chain HSB 108-428 Black Sprocket 51z 14z Gear for Yamaha YZ
for YAMAHA YZ 80
Check the compatibility with your motorcycle
FIND YOUR BIKE - compatibility table
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Special Price €40.80 Regular Price €45.90The Motorcycle Transmission Kit is the ideal solution for those seeking high performance and reliability on the road. This kit includes an RK chain, a JT sprocket, and a JT rear sprocket, designed to work in perfect synergy and ensure a smooth and responsive riding experience.
The RK chain, with a pitch of 428 and a length of 108 links, features a tensile strength of 2450 kg, ensuring robustness and durability over time. Its open design and clip closure type facilitate installation and maintenance. With an elegant gray color, it perfectly integrates with the aesthetics of your motorcycle.
The JT rear sprocket, with an inner diameter of 62 mm and a PCD of 80 mm, is made of steel to ensure strength and longevity. With 51 teeth and a six-bolt flat head fastening, it offers perfect compatibility and stability during use.
The JT sprocket, with a wide engagement fastening and a tooth count of 14, is designed to optimize power transmission, while its variable inner diameter (from 13 to 16 mm) allows for easy installation on different motorcycle configurations.
- RK Chain
- Pitch: 428
- Length: 108 links
- Tensile strength: 2450 kg
- Open design with clip closure
- Color: gray
- JT Rear Sprocket
- Inner diameter: 62 mm
- PCD: 80 mm
- Material: steel
- Teeth: 51
- Fastening: six bolts with flat head
- JT Sprocket
- Wide engagement fastening
- Teeth: 14
- Variable inner diameter: from 13 to 16 mm
| Links | 108 |
|---|---|
| Pitch | 428 |
| Chain | Open |
| Chain Type | HSB |
| Chain Color | Grey |
| Crown Color | Black |
| Crown Teeth | 51 |
| Crown Inner Diameter | 62 mm |
| Hole spacing | 80 mm |
| Pinion teeth | 14 |
| Pinion Diameter | 13/16 mm |
| Pinion Coupler | Big |






