i say convert the bike into a trike....put some 18" turf tamers on the ass-end and swap the fornt ends and then that 125 would be sick!!!! maybe take some 86-87 t-3 rear plastic and modify it to look good on the bike.... and it would def haul ass i dont think an extra 50 or so pounds would affect it too much, and it would look old-school racer-ish...
1985 Honda ATC250R drag trike with s/t kit and full drag CR hybrid motor and drag chassis...
1986 Honda ATC250R daily rider fully modded engine, +4 swinger,etc...
1997 Polaris Storm 800 triple, boyesen reeds, dg individual silencers, 240 studs, 123mph on radar...