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How to Read a Gear Ratio Chart

How to Read a Gear Ratio Chart

Posted by BMI Karts

A gear ratio tells you how many times the engine sprocket (clutch) turns for each complete turn of the axle sprocket. 
Gear Ratio = Number of Teeth on Axle Sprocket รท Number of Teeth on Clutch Sprocket

Top and Bottom Rows: Number of teeth on Drive Sprocket
Left Column: Number of Teeth on Axle Sprocket

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535.895.304.824.424.083.793.533.313.122.942.792.65
546.005.404.914.504.153.863.603.383.183.002.842.70
556.115.505.004.584.233.933.673.443.243.062.892.75
566.225.605.094.674.314.003.733.503.293.112.952.80
576.335.705.184.754.384.073.803.563.353.173.002.85
586.445.805.274.834.464.143.873.633.413.223.052.90
596.565.905.364.924.544.213.933.693.473.283.112.95
606.676.005.455.004.624.294.003.753.533.333.163.00
616.786.105.555.084.694.364.073.813.593.393.213.05
626.896.205.645.174.774.434.133.883.653.443.263.10
637.006.305.735.254.854.504.203.943.713.503.323.15
647.116.405.825.334.924.574.274.003.763.563.373.20
657.226.505.915.425.004.644.334.063.823.613.423.25
667.336.606.005.505.084.714.404.133.883.673.473.30
677.446.706.095.585.154.794.474.193.943.723.533.35
687.566.806.185.675.234.864.534.254.003.783.583.40
697.676.906.275.755.314.934.604.314.063.833.633.45
707.787.006.365.835.385.004.674.384.123.893.683.50
717.897.106.455.925.465.074.734.444.183.943.743.55
728.007.206.556.005.545.144.804.504.244.003.793.60
738.117.306.646.085.625.214.874.564.294.063.843.65
748.227.406.736.175.695.294.934.634.354.113.893.70
758.337.506.826.255.775.365.004.694.414.173.953.75
768.447.606.916.335.855.435.074.754.474.224.003.80
778.567.707.006.425.925.505.134.814.534.284.053.85
788.677.807.096.506.005.575.204.884.594.334.113.90
798.787.907.186.586.085.645.274.944.654.394.163.95
808.898.007.276.676.155.715.335.004.714.444.214.00
819.008.107.366.756.235.795.405.064.764.504.264.05
829.118.207.456.836.315.865.475.134.824.564.324.10
839.228.307.556.926.385.935.535.194.884.614.374.15
849.338.407.647.006.466.005.605.254.944.674.424.20
859.448.507.737.086.546.075.675.315.004.724.474.25
869.568.607.827.176.626.145.735.385.064.784.534.30
879.678.707.917.256.696.215.805.445.124.834.584.35
889.788.808.007.336.776.295.875.505.184.894.634.40
899.898.908.097.426.856.365.935.565.244.944.684.45
9010.009.008.187.506.926.436.005.635.295.004.744.50

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