Paul they are. TM125 bags of reliable fun, TM250 lots of pleasure to lots of people., TM400 Universally regarded as the worst ever. Check all the old magazines (and new ones too) the Cyclone wins the worst easily available MX bike all the time. They do look the go, and can be tamed I believe, but in stock trim they were horrendous. I thought only mine had a crazed mind of its own till I found out from excellent sources at the time ( Bert Flood telling me springs to mind) that the lunatic power output was the norm.