With stock gearing 250 SX is 72 mph
how fast can a 250cc quad go
how fast does 250cc Orion dirt bike go
250cc per fork
top speed of 250cc motorbike about 100 mph
9000mph
medium speed
A KTM 250sx is the worlds fastest 250 2 stroke dirtbike.
Not too fast
Really fast acceleration average top speed around 50
63mph
Depends on the bike.
about 40 mph