Online Catalogue
Yamaha YZ85 R LW
2024
Front Sprocket
Steel Front Sprocket
Part Number: JTF558
Teeth: 14
Available Sizes: 13, 14, 15, 16, 17, 18, 20
OE Type Rubber Cushioned Front Sprocket
Part Number: JTF558RB
Teeth: 14 Check Availability
Available Sizes: 16
Rear Sprocket
Steel Rear Sprocket
Part Number: JTR798
Teeth: 51
Available Sizes: 44, 46, 47, 48, 49, 50, 51, 52, 54
Racelite Aluminium Rear Race Sprocket
Part Number: JTA798BLK
Teeth: 51
Available Sizes: 46, 47, 48, 49, 50, 51, 52
Please note that the chain shown in this listing is for size reference only. For the correct chain type and grade, please refer to the vehicle's manufacturer manual.
Gear Ratio Chart
Teeth | Front Sprocket |
14 | 16 |
Rear Sprocket | 51 | 3.64 standard | 3.19 -12.5% |
Lower gear ratios allow for higher top speeds.
Higher gear ratios increase torque for better acceleration.
Full Gear Ratio Chart (pdf)