The Yamaha SR500 was a four-stroke, single cylinder motorcycle produced from 1980-1983. It had a 499cc capacity, with a 2 valves per cylinder system and a 34mm Mikuni VM34SS carburetor. The engine provided a max power of 31.5 hp and a torque of 36.3 Nm, and the bike had a 5-speed transmission with a chain final drive. The frame was a half-duplex cradle and the bike had front suspension with 35mm telescopic forks and rear suspension with dual shock and adjustable spring preload. The front brake was a single 200mm disc, and the rear brake was a 150mm drum. The dimensions of the bike were a width of 845mm, height of 1155mm, and a wheelbase of 1405mm. The seat height was 810mm, and the dry weight was 158 kg, with a fuel capacity of 12 litres. The bike had an average fuel consumption of 63 mpg and had a standing 1/4 mile time of 15.3 seconds. The top speed was up to 95 mph or 152.8 km/h.
Technical specifications:
Make Model: Yamaha SR 500
| Year | 1980 – 83 |
|---|---|
| Engine | Four stroke, single cylinder, SOHC, 2 valves per cylinder. |
| Capacity | 499 cc / 30.4 cu-in |
| Bore x Stroke | 87 84 mm |
| Cooling System | Air cooled |
| Compression Ratio | 9.0:1 |
| Oil Capacity | 2.4 Litres |
| Induction | 34mm Mikuni VM34SS carburetor |
| Ignition | CDI |
| Starting | Kick |
| Max Power | 31.5 hp / 23.5 kW @ 6500 rpm |
| Max Torque | 36.3 Nm / 26.8 lb-ft @ 5500 rpm |
| Transmission | 5 Speed |
| Final Drive | Chain |
| Frame | Half-duplex cradle |
| Front Suspension | 35mm telescopic forks |
| Front Wheel Travel | 150 mm / 5.9 in |
| Rear Suspension | Dual shock, 5-way adjustable spring preload. |
| Rear Wheel Travel | 105 mm / 4.1 in |
| Front Brakes | Single 200mm disc |
| Rear Brakes | 150mm drum |
| Front Tyre | 3.50 S19 |
| Rear Tyre | 4.00 S18 |
| Rake | 27.5 degrees |
| Trail | 117 mm / 4.6 in |
| Dimensions | Width 845 mm / 33.3 in Height 1155 mm / 45.5 in |
| Wheelbase | 1405 mm / 55.3 in |
| Seat Height | 810 mm / 32 in |
| Dry Weight | 158 kg / 348 lbs |
| Wet Weight | 173 kg / 381.4 lbs |
| Fuel Capacity | 12 Litres / 3.1 US gal |
| Consumption Average | 63 mpg |
| Standing 1/4 Mile | 15.3 sec |
| Top Speed | 95 mph / 152.8 km/h |
