Honda XR500S (1981)

The Honda XR500S is a 1981 motorcycle with a four-stroke, single-cylinder, SOHC engine and 4 valves per cylinder. It has a capacity of 497cc and a compression ratio of 8.6:1, induction via a single 32mm Keihin CV, and CDI ignition. The bike produces a maximum power of 32 HP at 6500 rpm and maximum torque of 3.8 kgf-m at 5000 rpm. A 5-speed transmission and final chain drive power the bike. The front suspension of the XR500S is fitted with leading axle coil spring forks, while the rear suspension system consists of a swingarm with two dampers that are adjustable for preload. The bike has front and rear drum brakes, with a 140mm and 130mm diameter, respectively. The front and rear tyres are 3.00-23 and 4.60-18 respectively. The wheelbase of the bike measures 1420mm, and the seat height is 879mm. The dry weight of the bike is 135kg, and the capacity of the fuel tank is 9.8 litres. The bike can cover a standing 1/4 mile in 15 seconds and reach a top speed of 146.5 km/h.

Technical specifications:

Make Model: Honda XL 500S

Year: 1981
Engine: Four stroke, single cylinder, SOHC. 4 valve per cylinder
Capacity: 497 cc / 30.3 cu-in
Bore x Stroke: 89 x 80 mm
Cooling System: Air cooled
Compression Ratio: 8.6:1
Induction: Single 32mm keihin CV
Ignition: CDI
Starting: Kick
Max Power: 32 hp @ 6500 rpm
Max Torque: 3.8 kgf-m @ 5000 rpm
Transmission: 5 Speed
Final Drive: Chain
Front Suspension: Leading axle coil spring forks
Rear Suspension: Swing arm two dampers. adjustable for preload.
Front Brakes: 140mm Drum
Rear Brakes: 130mm Drum
Front Tyre: 3.00-23
Rear Tyre: 4.60-18
Wheelbase: 1420 mm / 55.9 in
Seat Height: 879 mm / 34.6 in
Dry-Weight: 135 Kg / 297 lbs
Fuel Capacity: 9.8 Litres / 2.6 gal
Standing 1/4 Mile: 15.0 sec / 135.5 km/h
Top Speed: 146.5 km/h