| Year | 1978 |
| Bore x Stroke | 87 х 84 mm |
| Capacity | 499 cc / 30.4 cu-in |
| Compression Ratio | 9.0 :1 |
| Cooling System | Air cooled |
| Dimensions | Length 2110 mm / 83.1 in Width 934.7 mm / 36.8 in Height 1120 mm / 44.1 in |
| Dry Weight | 118.8 kg / 262 lbs |
| Engine | Four stroke, single cylinder |
| Final Drive | Chain |
| Front Brakes | Drum |
| Front Suspension | Telescopic fork |
| Front Tyre | 3.00-21 |
| Fuel Capacity | 8.5 Litres / 2.24 US gal |
| Gear Ratio | 1st 20.97 / 2nd 13.84 / 3rd 10.59 / 4th8.15 / 6th 6.92 |
| Ground Clearance | 216 mm / 8.5 in |
| Ignition | Flywheel magneto |
| Induction | 38mm Mikuni |
| Lubrication | Dry sump |
| Max Power | 27 hp / 19.7 kW @ 5900 rpm |
| Max Torque | 27.8 ft-lb / 37.6 Nm @ 5500 rpm |
| Model | Yamaha TT 500 |
| Rear Brakes | Drum |
| Rear Suspension | Swinging arm |
| Rear Tyre | 4.60-18 |
| Road Test | Dirt Rider 1976 Cycle World 1977 Trail and Track Yamaha TT500 vs CCM 600GP Dirt Rider Yamaha TT500 vs Suzuki DR370 Modern Cycle |
| Seat Height | 843 mm / 33.2 in |
| Starting | Kick |
| Transmission | 5 Speed |
| Wheelbase | 1420 mm / 55.9 in |
