Not quite as extreme.
Mini bike sprocket ratio.
To determine the final drive ratio divide the rear sprocket size say 49 teeth by the front or countershaft sprocket size say 13 teeth like a new yamaha yz250f.
In this case the final drive ratio is 3 77 the front sprocket revolves 3 77 times to make one complete revolution of the rear sprocket.
16 in front and 46 in back would be 2 875 a less radical change but still a little more than doing only the 16 in front.
Mini bikes work best with a top speed of 25mph for all terrain.
To determine the gear ratio necessary for your go kart or mini bike you must know the limit of your top speed.
J s out 14 thru 17 or 20 tooth output sprocket.
Select 60 or 72t sprocket.
Im stuck on which gear ratio is the best to get the most speed i can out of the engine.
To find the gear ratio simply divide the axle teeth by the clutch 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.
Our 2208 4 1 2 in.
A very common mini bike ratio is 11 12 teeth on the clutch and 72 teeth on the axle sprocket.
Our default is for a peppy potentially street legal mini bike.
Axle rear axle sprocket.
The results are the circumference of the drive wheel tire combo in inches gear ratio and the potential maximum speed in mph.
So if we went down to a 16 tooth in the front but simultaneously went up to a 47 tooth in the rear our new ratio would be 2 938.
You can find your ratio by calculating these together.
Applicable calculator formulae pi 3 14159.
Use a ratio card to find the sprocket sizes you want.
Sprocket drum combo for mini bike rear wheel.
Your gear choice is a highly personal decision so what works for you might not be best for someone else.
For ordering purposes to determine the js in out gears put your desired clutch and rear gear teeth in the proper box and change the js in gear and js out gear until you get the desired final drive ratio.
Rear sprockets come in sizes from 30 to 60 teeth while front sprockets come with 10 to 16 teeth.
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.
Also fits 6 in.
Astro wheel using the adapter kit.
Drum brake slips into this drum.
The gear ratio is 6 and the potential speed is just under 36 miles per hour.
60 on the axle divided by 12 on the.
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.
Sprocket size gear ratio questions hey guys i have a 2 5hp briggs and stratton engine and want to build a mini bike.
