Honda GL500 (1978-80)

The Honda GL500 Silver Wing Interstate is a motorcycle produced from 1978 to 1980. It has a four-stroke, longitudinal 800 V-twin engine with a capacity of 496.8 cc and a compression ratio of 10.0:1. The bike is liquid cooled and has 2 x 34mm Keihin carbs for induction, as well as transistor ignition and electric starting. The maximum power output is 37.3 kW / 50 hp at 9000 rpm, with a peak torque of 46 Nm / 4.69 kgf-m / 33.9 lb-ft at 7000 rpm. The transmission is 5-speed with a shaft final drive. Suspension consists of telescopic coil spring air assisted front and a swing arm compound linkage to a single shock rear. The front brakes have 2 x 240mm discs with 2 piston calipers, and the rear brake is a drum. The bike has a wet weight of 240 kg / 529 lbs and a fuel capacity of 17.5 L / 4.62 US gal, with a reserve of 2.6L / 0.69 US gal. It has a consumption average of 5.1 L/100 km / 19.7 km/l / 46.3 mpg and can brake from 100 km/h to 0 in 44.2 m / 145 ft. The standing 1/4 mile takes 15.0 sec / 134.2 km/h / 83.4 mph and the top speed is 175.4 km/h / 109 mph.

Technical specifications:

Make Model: Honda GL 500 Silver Wing Interstate

Year: 1978-80
Engine: Four-stroke. longitudinal 800 V-twin, SOHC 4 valves per cylinder operated by pushrods
Capacity: 496.8 cc / 30.3 cub in.
Bore x Stroke: 78 x 52 mm
Compression Ratio: 10.0:1
Cooling System: Liquid cooled
Induction: 2 x 34mm Keihin carbs.
Ignition: Transistor
Starting: Electric
Max Power: 37.3 kW / 50 hp @ 9000 rpm
Max Torque: 46 Nm / 4.69 kgf-m / 33.9 lb-ft @ 7000 rpm
Transmission: 5 Speed
Final Drive: Shaft
Front Suspension: Telescopic coil spring air assisted
Rear Suspension: Swing arm compound linkage to single shock
Front Brakes: 2 x 240mm discs, 2 piston calipers
Rear Brakes: Drum
Front Tyre: 2.15-19
Rear Tyre: 130/90-16
Wet Weight: 240 kg / 529 lbs
Fuel Capacity: 17.5 L / 4.62 US gal
Reserve: 2.6L / 0.69 US gal
Consumption average: 5.1 L/100 km / 19.7 km/l / 46.3 mpg
Braking 100 km/h – 0: 44.2 m / 145 ft
Standing 1/4 Mile: 15.0 sec / 134.2 km/h / 83.4 mph
Top Speed: 175.4 km/h / 109 mph