I have 2010 366 and it will do about 50mph but I have 27" swamplites on it so im losing top end speed.
fast
My 2000 arctic cat zr 600 efi goes 140
Approx 60mph to 70mph is the top speed of Arctic Cat 400 ATV.
2 miles an hour
90 mph
65 mph.
Aprox 82mph stock form
Fast as up to 45 mph.
I have one that is piped that will do about 105 mph
About 90 mph
On a garmin I had it at 135km/h
My 2007 Artic Cat DVX 400 goes 75-80mph.30-40 mph