Online Catalogue
Yamaha YZ85 P,R,S,T,V,W,X,Y,Z,A,B Large Wheel
Off Road
2002 to 2012
| Front Sprocket |
| JTF558 | 14 |
| 13, 14, 15, 16, 17, 18, 20 |
 |
| Rear Sprocket |
| JTR798 | 52 |
| 44, 47, 48, 49, 50, 52 |
 |
| Aluminium Rear Sprocket |
| JTA798 | 52 |
| 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
Full Gear Ratio Chart (pdf)
| Teeth | 13 | 14 | 15 | 16 | 17 | 18 | 20 |
| 44 | 3.38 | 3.14 | 2.93 | 2.75 | 2.59 | 2.44 | 2.20 |
| 47 | 3.62 | 3.36 | 3.13 | 2.94 | 2.76 | 2.61 | 2.35 |
| 48 | 3.69 | 3.43 | 3.20 | 3.00 | 2.82 | 2.67 | 2.40 |
| 49 | 3.77 | 3.50 | 3.27 | 3.06 | 2.88 | 2.72 | 2.45 |
| 50 | 3.85 | 3.57 | 3.33 | 3.12 | 2.94 | 2.78 | 2.50 |
| 51 | 3.92 | 3.64 | 3.40 | 3.19 | 3.00 | 2.83 | 2.55 |
| 52 | 4.00 | 3.71 | 3.47 | 3.25 | 3.06 | 2.89 | 2.60 |
