Just something i want to check out.. i think i know the answer, but i'm willing to be proven wrong, got the TSX 125, it's a 1986 model, 2 stroke of course, now i'm thinking it'll run on unleaded, reason being there are no valves to recess due to the lack of lead, however are there any other little bits mr suzuki puts in these engines that like lead?? i can't think of any, there's no power valves on this model, not that they should need lead anyway, there'll be a set of reeds, a few ports, and the piston and barrel, nowt that should be affected by not having a diet of lead? she's got CDI, so retarding the ignition is not an option, but then again it'll be a low compression engine anyway.. can you even hear a 2 stroke crosser style bike pink? :)