250
75 mph to 80 mph is the top speed of Yamaha ttr 250. This is true however you could increase or decrease your top speed by changing sprocket sizes, e.g A stock yamaha ttr250 with 14/44 gearing will reach approximately 140km/h or 87mph. Note i own a Yamaha TTR250 and have tested the bikes top speed.
depends what size it is. 250-50mph - 700-86mph
120 mph
I would say 85-90mph
top speed of Yamaha fazer 150
Top speed of the Yamaha Breeze ATV is 40-50 mph.
If you are talking about the 1980 Yamaha Enticer, the top speed would be 55mph.
The top speed of A Yamaha 360 is 150 mph. The XS360 is Yamaha's first four-stroke engine bike in the small segment. They Yamaha produces many models and the speed varies for each model.
i have a stock sniper 135, the top speed is 130kph.
at top speed it goes about 50-60
the yfz 450 is not that fastest quad, Its not far from the top but raptors have more top speed. there is no 250 that will stand up to a yfz 450 stock