You are bidding on one of the finest examples of a classic 1990 Yamaha RT-100 Dirt Bike.  I have invested in a complete tune up head to toe.  Bike starts and runs great. Specs as follows:Engine type:1 cylinders, 2-stroke, SingleDisplacement:97 cc (5.93 cubic inches)Bore × stroke:2.05 inch × 1.8 inch (oversquare - shortstroke)Throttle:Cable operatedFuel and ignitionSparks per cylinder:1Fuel supply system:CarburetorIgnition type:Digital CDIEngine mounting:TransverseLubrication system:Wet sumpGear box:ManualClutch:Wet, cable operatedSpark plug pipe type:NGK, B7ES