so your obviously not scared by the TM400 then. Gees im not sure, sounds pretty scary what some guys here have said about the ignition advance being so random, one minute your going along fine, the next thing you know, you've been bucked off and are in hospital with broken ribs and or a broken leg. A lot of forum members are comming off their bikes lately so i would hate to see it happen to others, but if you reckon you can tame a TM400 then you will need to be pretty game and have luck on yourside
its not just the ignition either, too much power for that spindly little flexy frame and swingarm.