| MODEL | YAMAHA TT 500 1978 - 1981 |
| Year | 1978 - 1981 |
| Engine Type | Four stroke, single cylinder |
| Displacement / Capacity | 499 cc / 30.4 cu in |
| Bore X Stroke | 87 x 84 mm |
| Compression Ratio | 9.0:1 |
| Cooling System | Air cooled |
| Max Power | 19.7 kW / 27 hp @ 5900 rpm |
| Max Torque | 37.6 Nm / 27.8 lb-ft @ 5500 rpm |
| Ignition | Flywheel magneto |
| Induction | 38 mm Mikuni carburettor |
| Start System | Kick |
| TRANSMISSION SPECS | |
| Lubrication | Dry sump |
| Gear Box | 5 Speed |
| Clutch | — |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | — |
| Front Suspension | Telescopic fork |
| Rear Suspension | Swinging arm |
| Front Brakes | Drum |
| Rear Brakes | Drum |
| DIMENSION SPECS | |
| Overall Length | 2110 mm / 83.1 in |
| Overall Width | 934.7 mm / 36.8 in |
| Overall Height | 1120 mm / 44.1 in |
| Seat Height | 843 mm / 33.2 in |
| Wheelbase | 1420 mm / 55.9 in |
| Ground Clearance | 216 mm / 8.5 in |
| Dry Weight | 118.8 kg / 262 lb |
| Wet Weight | — |
| WHEEL SPECS | |
| Front Tyre | 3.00-21 |
| Rear Tyre | 4.60-18 |
| FUEL SYSTEM | |
| Fuel Capacity | 8.5 Litres / 2.24 US gal |
| Fuel Consumption | — |
| Top Speed | — |
The later run of the TT 500, a kick-start air-cooled 499 cc single sharing its engine and frame layout with the XT500. The source lists the same figures as the earlier years. It remained a basic off-road single with drum brakes front and rear.
