If theres no modification to the engine and you gear the kart faster taller youll do so at the expense of quickness. Use this chart to find your drive ratio for any combination of sprocket teeth.
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Gear ratio chart kart. Related charts and information. Gear ratio and tire diameter charts are ideal for making your car. This gear ratio and tire diameter chart is meant to give you an approximation of ideal rpms at highway speed 65 mph for three situations. Fast way to determine gear ratio and speed. A very common mini bike ratio is 11 12 teeth on the clutch and 72 teeth on the axle sprocket. The chart makes what we have spoken about really make intuitive sense.
Number of teeth on drive sprocket left column. This chart provides values that represent a 11 ratio on a manual transmission. Number of teeth on axle sprocket. The gear ratio is 5 and the potential speed is just under 13 miles per hour. Fuel economy every day driving and increased towing power. Lower gearing equals quickness.
One of the most common gear ratios for go karts is 11 12 teeth on the clutch sprocket and 60 teeth on the axle sprocket. Gear ratio chart if you put on a set of tires that are 12 bigger in circumference that is the same as taking off 1 tooth from the axle adding one tooth to a 2 cycle should give 200 rpm more adding one tooth to a 4 cycle should give 100 rpm more if you add a tooth and gain less than that the gear is most likely slower. Go kart gear ratio speed calculator mph. Karting drive ratio chart sorted by drive ratio. 35 chain gear ratio chart engine 9 10 11 12 13 14 15 16 17 18 19 54 600540491450415386360338318300284 r 55 611550500458423393367344324306289 e. Note that not all sprocket sizes are available for all chain types.
Go kart gear ratio tool. To find the gear ratio simply divide the axle teeth by the clutch teeth. Check out the karting gear ratio chart. Applicable calculator formulae pi 314159 pi d c 314159 wheeltire diameter circumference of wheel and tire combo at ct gr gear ratio axle teeth clutch or engine teeth. Our default is for a slow safe junior kart. The front sprocket teeth represents the clutch drive sprocket and the rear sprocket teeth represents the rear axle sprocket.
You can see that you can increasedecrease one or both sprockets to get the desired ratio you desire. Thats the trade off. The gear ratios of the clutch and final drive will only make the go kart faster if the engine has the power to move it faster. Change sprockets change speed. Karting drive ratio chart arranged by sprocket size. Taller gearing equals speed.
Karting drive ratio chart arranged by sprocket size top and bottom rows.
Gallery of Gear Ratio Chart Kart
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