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What's does the fuel valve do on a 49cc dirt bike
what is a 49cc dirt bike
well, who rides a 49cc dirt bike just ride a 50cc
yes you can
no
yes
A 50cc dirt bike doesn't technically have a weight limit. There are many full grown adults weighing in excess of 200 pounds which own and ride dirt bikes of this engine size.
30 to 45 mph
It's 40mph
25-27-mph standard top speed for a mini dirt bike
49cc
no