Yamaha SR500 (1980-83)

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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.

Technische Daten:

Make Model: Yamaha SR 500

Year: 1980 – 83


Motor: Viertakt, Einzylinder, SOHC, 2 Ventile pro Zylinder.
Hubraum: 499 ccm / 30,4 cu-in
Bohrung x Hub: 87 84 mm
Kühlsystem: Luftgekühlt
Verdichtungsverhältnis: 9,0:1
Ölkapazität: 2,4 Liter
Induction: 34mm Mikuni VM34SS carburetor
Zündung: CDI
Start: Kick
Max Power: 31.5 hp / 23.5 kW @ 6500 rpm
Max Torque: 36.3 Nm / 26.8 lb-ft @ 5500 rpm
Getriebe: 5-Gang
Endantrieb: Kette
Rahmen: Halbduplex-Wiege
Front Suspension: 35mm telescopic forks

Federweg Vorderrad: 150 mm / 5.9 in
Rear Suspension: Dual shock, 5-way adjustable spring preload.
Hinterradfederweg: 105 mm / 4.1 in
Front Brakes: Single 200mm disc
Rear Brakes: 150mm drum
Front Tyre: 3.50 S19
Rear Tyre: 4.00 S18
Rechen: 27,5 Grad
Nachlauf: 117 mm / 4.6 in
Dimensions: Width 845 mm / 33.3 in Height 1155 mm / 45.5 in
Radstand: 1405 mm / 55.3 in
Sitzhöhe: 810 mm / 32 in
Trockengewicht: 158 kg / 348 lbs
Wet Weight: 173 kg / 381.4 lbs
Kraftstoffkapazität: 12 Liter / 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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