The speed of an 85cc engine can vary depending on the type of vehicle and its design. Generally, an 85cc motorcycle or dirt bike can reach speeds between 40 to 60 miles per hour (mph). Factors such as weight, aerodynamics, and terrain can influence the actual speed achieved.
It can go 60 mph.
25 mph
75 MPH or85 mph on a tuned oneIn dirt rider magazine in the 85cc shoot out the Rm85's top speed all stock is 63 miles per hour
With bands they can go 80
they can go pretty fast. they will beat a Yamaha blaster 200
69 mph It can be any speed but probably about 60 mph
53 mph
150 mph
it is 161.6 mph
46.6 mph
5.11 mph
1536.029586624 MPH