400 motor in short wheelbase,short travel 72 175 frame that has been gussetted. Motor has been stroked 2mm with modern KTM 380SX rod, uses 83mm modern Wiseco Pro-Lite piston, with oversizes available, custom, reed valve ported cylinder liner, Yamaha 73 reed cage with carbon petals, 38 Mikuni, bored to 39.5, 495 pipe, external Motoplat with added brass for a very smooth and very powerful package. Starts easily in one or two kicks.Will sell just motor and accessories.$2600, motor package $2000. Only partial trades considered are a Van Tec frame, and a 72 Yamaha 100 twin motor. Thanks, enjoy the snow, you Midwest/East Penton guys.