NOTE, this is Based on brand new showroom stock 3 wheelers. NO modifications or 15yr plus machines. rebuilt or not. (there is more to a rebuild then just piston and rings).
Tiger 500............................................... ...........................90+mph
Tiger 250............................................... ...........................85+mph
(note Tigers were not production trikes. each Tiger was hand made to original customer specs. this is just a average estimate)
86/87 Tecate 250............................................... ..............85mph
86 ATC 250R.............................................. .......................83mph
85 ATC 250R.............................................. .......................80mph
84/85 Tecate............................................ ........................78mph
86 TRI Z 250............................................... ......................76mph
83/84 ATC 250R.............................................. ..................74mph
85 ATC 350X.............................................. .......................72 mph
85 TRI Z 250............................................... ......................69mph
81/82 ATC 250R.............................................. ..................65mph
86/87 ATC 200X.............................................. ..................62mph
83-85 ATC 200X.............................................. ..................58mph
83 ATC 185s.............................................. ........................55mph
81/82 ATC 200............................................... ...................54mph
79-85 ATC 110............................................... ...................48mph