Sam Stoner Racing -- Sprocket Ratio Chart
| Sprocket | 10 | 11 | 12 | 13 | 14 | 15 |
|---|---|---|---|---|---|---|
| 90 teeth | 9.00 | 8.18 | 7.50 | 6.92 | 6.42 | 6.00 |
| 89 teeth | 8.90 | 8.09 | 7.41 | 6.84 | 6.35 | 5.93 |
| 88 teeth | 8.80 | 8.00 | 7.33 | 6.76 | 6.28 | 5.86 |
| 87 teeth | 8.70 | 7.90 | 7.25 | 6.69 | 6.21 | 5.80 |
| 86 teeth | 8.60 | 7.81 | 7.16 | 6.61 | 6.14 | 5.73 |
| 85 teeth | 8.50 | 7.72 | 7.08 | 6.53 | 6.07 | 5.66 |
| 84 teeth | 8.40 | 7.63 | 7.00 | 6.46 | 6.00 | 5.60 |
| 83 teeth | 8.30 | 7.54 | 6.91 | 6.38 | 5.92 | 5.53 |
| 82 teeth | 8.20 | 7.45 | 6.83 | 6.30 | 5.85 | 5.46 |
| 81 teeth | 8.10 | 7.36 | 6.75 | 6.23 | 5.78 | 5.40 |
| 80 teeth | 8.00 | 7.27 | 6.66 | 6.15 | 5.71 | 5.33 |
| 79 teeth | 7.90 | 7.18 | 6.58 | 6.07 | 5.64 | 5.26 |
| 78 teeth | 7.80 | 7.09 | 6.50 | 6.00 | 5.57 | 5.20 |
| 77 teeth | 7.70 | 7.00 | 6.41 | 5.92 | 5.50 | 5.13 |
| 76 teeth | 7.60 | 6.90 | 6.33 | 5.84 | 5.42 | 5.06 |
| 75 teeth | 7.50 | 6.81 | 6.25 | 5.76 | 5.35 | 5.00 |
| 74 teeth | 7.40 | 6.72 | 6.16 | 5.69 | 5.28 | 4.93 |
| 73 teeth | 7.30 | 6.63 | 6.08 | 5.61 | 5.21 | 4.86 |
| 72 teeth | 7.20 | 6.54 | 6.00 | 5.53 | 5.14 | 4.80 |
| 71 teeth | 7.10 | 6.45 | 5.91 | 5.46 | 5.07 | 4.73 |
| 70 teeth | 7.00 | 6.36 | 5.83 | 5.38 | 5.00 | 4.66 |
| 69 teeth | 6.90 | 6.27 | 5.75 | 5.30 | 4.92 | 4.60 |
| 68 teeth | 6.80 | 6.18 | 5.66 | 5.23 | 4.85 | 4.53 |
| 67 teeth | 6.70 | 6.09 | 5.58 | 5.15 | 4.78 | 4.46 |
| 66 teeth | 6.60 | 6.00 | 5.50 | 5.07 | 4.71 | 4.40 |
| 65 teeth | 6.50 | 5.90 | 5.41 | 5.00 | 4.64 | 4.33 |
| 64 teeth | 6.40 | 5.81 | 5.33 | 4.92 | 4.57 | 4.26 |
| 63 teeth | 6.30 | 5.72 | 5.25 | 4.84 | 4.50 | 4.20 |
| 62 teeth | 6.20 | 5.63 | 5.16 | 4.76 | 4.42 | 4.13 |
| 61 teeth | 6.10 | 5.54 | 5.08 | 4.69 | 4.35 | 4.06 |
| 60 teeth | 6.00 | 5.45 | 5.00 | 4.61 | 4.28 | 4.00 |
Sam Stoner Racing -- Sprocket Ratio Chart