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JT Application Guide 2010
Available now from your national distributor in:
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JT Sprockets Catalogue
Polaris
Front Sprocket: | JTF3221 | Teeth: | 11 | |
Rear Sprocket: | JTR1478 | Teeth: | 30 | |
Alloy Rear Sprocket: | JTA478 | Teeth: | 30 | check availabilty |
Chain Pitch: |
520 |
Length: |
108 |
|
Front sprocket available in: 10, 11, 12, 13 teeth
Rear sprocket available in: 30, 34, 36, 38, 40, 42, 43 teeth
Alloy Rear sprocket available in: 40, 41, 42, 43, 44, 45, 46, 47 teeth
Very important: 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
| Teeth | 10 | 11 | 12 | 13 |
| 30 | 3.00 | 2.73 | 2.50 | 2.31 |
| 34 | 3.40 | 3.09 | 2.83 | 2.62 |
| 36 | 3.60 | 3.27 | 3.00 | 2.77 |
| 38 | 3.80 | 3.45 | 3.17 | 2.92 |
| 40 | 4.00 | 3.64 | 3.33 | 3.08 |
| 41 | 4.10 | 3.73 | 3.42 | 3.15 |
| 42 | 4.20 | 3.82 | 3.50 | 3.23 |
| 43 | 4.30 | 3.91 | 3.58 | 3.31 |
| 44 | 4.40 | 4.00 | 3.67 | 3.38 |
| 45 | 4.50 | 4.09 | 3.75 | 3.46 |
| 46 | 4.60 | 4.18 | 3.83 | 3.54 |
| 47 | 4.70 | 4.27 | 3.92 | 3.62 |