CAMS Forms
2019 CAMS Online Manual of Motor Sport
- About CAMS
- Historic
- Race
- Speed
- National Competition Rules
- General Regulations
- Auto Test
- Off Road
- Rally / Road
- General Requirements
- Judicial
Karting Australia Forms
Miscellaneous Forms (Karting)
Gear Ratio Chart
Drive Sprocket Size (No. of Teeth)
9 10 11 12 13 14 15 16
63 7.00 6.30 5.73 5.25 4.85 4.50 4.20 3.94
64 7.11 6.40 5.82 5.33 4.92 4.57 4.27 4.00
65 7.22 6.50 5.91 5.42 5.00 4.64 4.33 4.06
66 7.33 6.60 6.00 5.50 5.08 4.71 4.40 4.13
67 7.44 6.70 6.09 5.58 5.15 4.79 4.47 4.19
68 7.56 6.80 6.18 5.67 5.23 4.86 4.53 4.25
69 7.67 6.90 6.27 5.75 5.31 4.93 4.60 4.31
70 7.78 7.00 6.36 5.83 5.38 5.00 4.67 4.38
71 7.89 7.10 6.45 5.92 5.46 5.07 4.73 4.44
72 8.00 7.20 6.55 6.00 5.54 5.14 4.80 4.50
73 8.11 7.30 6.64 6.08 5.62 5.21 4.87 4.56
74 8.22 7.40 6.73 6.17 5.69 5.29 4.93 4.63
75 8.33 7.50 6.82 6.25 5.77 5.36 5.00 4.69
76 8.44 7.60 6.91 6.33 5.85 5.43 5.07 4.75
77 8.56 7.70 7.00 6.42 5.92 5.50 5.13 4.81
78 8.67 7.80 7.09 6.50 6.00 5.57 5.20 4.88
79 8.78 7.90 7.18 6.58 6.08 5.64 5.27 4.94
80 8.89 8.00 7.27 6.67 6.15 5.71 5.33 5.00
81 9.00 8.10 7.36 6.75 6.23 5.79 5.40 5.06
82 9.11 8.20 7.45 6.83 6.31 5.86 5.47 5.13
83 9.22 8.30 7.55 6.92 6.38 5.93 5.53 5.19
84 9.33 8.40 7.64 7.00 6.46 6.00 5.60 5.25
85 9.44 8.50 7.73 7.08 6.54 6.07 5.67 5.31
86 9.56 8.60 7.82 7.17 6.62 6.14 5.73 5.38
87 9.67 8.70 7.91 7.25 6.69 6.21 5.80 5.44
88 9.78 8.80 8.00 7.33 6.77 6.29 5.87 5.50
89 9.89 8.90 8.09 7.42 6.85 6.36 5.93 5.56
90 10.00 9.00 8.18 7.50 6.92 6.43 6.00 5.63