The Yamaha SR500SP motorcycle was produced from 1976-77 and featured a four-stroke, single cylinder, SOHC engine with air cooling and a 499 cc capacity. It had a compression ratio of 9.0:1 and a 34mm Mikuni carburetor. The bike was kick-started and produced a max power of 31.5 hp and max torque of 36.3 Nm. The transmission was a 5-speed with a final drive chain. The frame was half-duplex cradle with 35mm telescopic forks for the front suspension and dual shock, 5-way adjustable spring preload for the rear suspension. The bike had a 200mm disc front brake and a 150mm drum rear brake, with a front tyre of 3.50 S19 and a rear tyre of 4.00 S18. It had a width of 845mm, height of 1155mm, and a wheelbase of 1405mm. The seat height was 810mm and the dry weight was 158kg while the wet weight was 173kg. It had a fuel capacity of 12 litres and consumed an average of 63 mpg. It had a standing quarter-mile of 15.3 seconds and a top speed of 95 mph.
Technical specifications:
Make Model: Yamaha SR 500
| Year | 1976 – 77 |
|---|---|
| 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 |
