Go kart gear ratio tool. Use this chart to find your drive ratio for any combination of sprocket teeth.
Cr500 Gear Chart Qrc Karts
Go kart gear ratio. Related charts and information. 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. Just multiply the clutch teeth on the sprocket by the first digit in the gear ratio to get the best rear sprocket size. Applicable calculator formulae pi 314159. Lower gearing equals quickness. Our default is for a slow safe junior kart.
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. Thats the trade off. A very common mini bike ratio is 11 12 teeth on the clutch and 72 teeth on the axle sprocket. Go kart gear ratio speed calculator mph. Karting drive ratio chart arranged by sprocket size. Taller gearing equals speed.
The gear ratio on your mini bike or go kart is the ratio between the number of teeth on the clutch and the number of teeth on the drive axle sprocket. The results are the circumference of the drive wheeltire combo in inches gear ratio and the potential maximum speed in mph. The gear ratio is 5 and the potential speed is just under 13 miles per hour. 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. 35 chain gear ratio chart engine 9 10 11 12 13 14 15 16 17 18 19 54 600540491450415386360338318300284 r 55 611550500458423393367344324306289 e. If theres no modification to the engine and you gear the kart faster taller youll do so at the expense of quickness.
Karting drive ratio chart sorted by drive ratio. 769 e main st versailles ohio 45380. Contact bmi karts 937 526 9544. Go kart gear ratio. Fast way to determine gear ratio and speed. Note that not all sprocket sizes are available for all chain types.
For example if youre running standard 11x710 5 rear go kart slicks with an ungoverned 4 stroke and are using it for track and race purposes with a 12t 35 clutch multiply 12 x 45 54t rear sprocket. Change sprockets change speed.
Gallery of Go Kart Gear Ratio
