Yamaha SR 500T (1984-87)

The Yamaha SR 500T was a motorcycle produced from 1984-1987. It had a four-stroke, single cylinder, SOHC engine with a capacity of 499cc and a compression ratio of 9.0:1. The bike used a 34mm Mikuni VM34SS carburetor and a CDI ignition and had a kick start system. The maximum power output was 31.5 hp at 6500 rpm, and the maximum torque was 36.3 Nm at 5500 rpm. The transmission was a five-speed manual and the final drive was through a chain. The bike had a half-duplex cradle frame with a 35mm telescopic fork front suspension and a dual shock five-way adjustable spring preload rear suspension, with 150mm and 105mm of wheel travel respectively. Stopping power was provided by a single 200mm disc at the front and a 150mm drum brake at the rear. The bike had a 27.5-degree rake and 117mm of trail. It had a width of 845mm, height of 1155mm, and wheelbase of 1405mm. The seat height was 810mm and the dry weight was 158kg, with a fuel capacity of 12 litres. The average fuel consumption was 63 mpg, and the top speed was 95 mph. The bike was capable of completing a standing 1/4 mile in 15.3 seconds.

Technical specifications:

Make Model: Yamaha SR 500

Year: 1984 – 87

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 S18
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

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