RK transmission kit open chain MXZ1 118 links 428 sprocket 47 teeth pinion 13 teeth
for YAMAHA YZ RA, YZ RB
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FIND YOUR BIKE - compatibility table
-15%
Special Price €52.20 Regular Price €61.70The Motorcycle Transmission Kit is the ideal solution for those looking to enhance the performance of their vehicle. Composed of an RK chain, a JT sprocket, and a JT rear sprocket, this kit is designed to ensure excellent efficiency and durability over time.
The RK chain, with a pitch of 428 and a length of 118 links, is made with an open design and has a tensile strength of 2753 kg, ensuring smooth and powerful transmission. Its gray color, both inside and out, gives it an elegant and sporty appearance. The clip closure makes installation and maintenance easy.
The JT rear sprocket, with an inner diameter of 100 mm and a PCD of 120 mm, is constructed from steel to ensure strength and reliability. With 47 teeth and a 4-bolt tapered fastening system, it offers perfect compatibility and stability during use.
The JT sprocket completes the kit with a wide engagement fastening, available in various inner diameter sizes (from 16 mm to 20 mm) and with 13 teeth. The distance between the fastening holes is 34 mm, ensuring easy installation and a precise fit.
- RK Chain
- Pitch: 428
- Length: 118 links
- Tensile strength: 2753 kg
- Color: gray (inside and outside)
- Design: open
- Closure: clip
- JT Rear Sprocket
- Inner diameter: 100 mm
- PCD: 120 mm
- Material: steel
- Teeth: 47
- Fastening: 4 tapered bolts
- JT Sprocket
- Fastening: wide engagement
- Inner diameter: from 16 mm to 20 mm
- Teeth: 13
- Distance between fastening holes: 34 mm
| Links | 118 |
|---|---|
| Pitch | 428 |
| Chain | Open |
| Chain Type | MXZ1 |
| Chain Color | Grey |
| Crown Teeth | 47 |
| Crown Inner Diameter | 100 mm |
| Hole spacing | 120 mm |
| Pinion teeth | 13 |
| Pinion Diameter | 16/20 mm |
| Pinion Coupler | Big |








