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. 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.
Cowen Frederic
Go kart gear ratio calculator. Fast way to determine gear ratio and speed. 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. Thats the trade off. The purpose of this calculator is to determine the potential speed of a go kart based on certain data. 35 chain gear ratio chart engine 9 10 11 12 13 14 15 16 17 18 19 54 600540491450415386360338318300284 r 55 611550500458423393367344324306289 e.
Affordable go karts po box 61757 santa barbara ca 93160. To find the gear ratio simply divide the axle teeth by the clutch teeth. Note that not all sprocket sizes are available for all chain types. Go kart gear ratio tool. Get the final ratio on multi sprocket setup used in jackshafts on go karts and mini bikes. A very common mini bike ratio is 11 12 teeth on the clutch and 72 teeth on the axle sprocket.
Taller gearing equals speed. Change sprockets change speed. Mini bikes work best with a top speed of 25mph for all terrain. Enter the values below to calculate your gear ratio engine number of teeth on clutch sprocket jackshaft in number of teeth on input sprocket jackshaft out number of teeth on output sprocket axle number of teeth on rear axle sprocket final ratio calculate. Go kart gear ratio calculator for jackshaft setup. Enter the diameter of the drive power wheel and tire combination.
If theres no modification to the engine and you gear the kart faster taller youll do so at the expense of quickness. For priority technical. Karting drive ratio chart arranged by sprocket size use this chart to find your drive ratio for any combination of sprocket teeth. When using a clutch to drive your go kart the top speed on flat terrain is 35mph if the terrain is hilly or the weight of the driver is high the top speed should be 25mph. To determine the gear ratio necessary for your go kart or mini bike you must know the limit of your top speed. Lower gearing equals quickness.
Make sure the tire is properly inflated and in good condition the diameter is the radius 2 or in this case twice the distance from the ground to the center of the axle.