The drum bolts onto our 5 6 and 8 in.
Mini bike sprocket ratio.
But remember it s all about the ratio and we can change the size of the rear sprocket to alter this ratio also.
Select 60 or 72t sprocket.
Mini bikes work best with a top speed of 25mph for all terrain.
J s out 14 thru 17 or 20 tooth output sprocket.
The gear ratio is 6 and the potential speed is just under 36 miles per hour.
Not quite as extreme.
All sprockets are 35 chain.
60 on the axle divided by 12 on the.
Your gear choice is a highly personal decision so what works for you might not be best for someone else.
Im stuck on which gear ratio is the best to get the most speed i can out of the engine.
Our 2208 4 1 2 in.
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.
You can find your ratio by calculating these together.
Astro wheel using the adapter kit.
To find the gear ratio simply divide the axle teeth by the clutch teeth.
A very common mini bike ratio is 11 12 teeth on the clutch and 72 teeth on the axle sprocket.
To determine the gear ratio necessary for your go kart or mini bike you must know the limit of your top speed.
Rear sprockets come in sizes from 30 to 60 teeth while front sprockets come with 10 to 16 teeth.
Use a ratio card to find the sprocket sizes you want.
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.
The results are the circumference of the drive wheel tire combo in inches gear ratio and the potential maximum speed in mph.
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.
Our default is for a peppy potentially street legal mini bike.
Axle rear axle sprocket.
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.
Also fits 6 in.
Applicable calculator formulae pi 3 14159.
Drum brake slips into this drum.
Sprocket size gear ratio questions hey guys i have a 2 5hp briggs and stratton engine and want to build a mini bike.
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.
