80 teeth 40 on top 40 on the bottom
The rear end gear ratio on a 1980 Oldsmobile is 3.73, in the overdrive gear. The low gear ratio is 1.43.
800/40 = 80/4 = 20
If the gear box has gone on your YZ 80 motorbike you will find that your bike slips out of gear very easily. You will notice that there are broken teeth on the gears.
You can refer to your user manual to ID the rear end gear ration in 80 Chevy pickup.
40 and 80
10:40 or 20:80 or 31: 124
80/300 = 40/150 = 20/75 = 4/15
depends on yr, weight and gear ratio. I had a 94 and it was bout 80+, but hard to gauge when trail riding.
32:1 for motocross 40:1 for trail riding
40% of 80 is 32%..40% of 80= 40% * 80= 0.4 * 80= 32
40 -80 = -40