About 55-60 the most
Probably about 50-60
Yes, you just won't go as fast.
a mini bike with a 90 pound person on it that is 97cc can go 50mph
The answer depends on the person's mode of transport. In all likelihood, the person's mass is irrelevant.
Stock 13.80
Too fast!
A stock Yamaha Banshee will go 77.7mph
around 115 stock best quad made
With stock gearing around 63 mph
The stock Bugatti Veyron goes 253 mph.
There are 3,500 calories in a pound. How much a person weighing 212 pounds, burns walking a mile, depends on how fast they are walking. At the speed of 20 minutes per mile, a person weighing 212 pounds would have to walk close to 32 miles to burn 1 pound.
No. not if it is stock.