Yamaha XZ550D (1983)

The Yamaha XZ550D, also known as the Vision, is a motorcycle produced in 1983. It features a four stroke 70 degrees V-twin cylinder engine with a capacity of 552cc and a maximum power of 64 hp at 9500 rpm. It has liquid cooling and a compression ratio of 10.4:1. The bike has a five-speed transmission and shaft final drive, and is equipped with telescopic oil-damped forks and a gas-filled monoshock rear suspension that is two-way adjustable. The front brakes consist of two 266mm discs, while the rear brake is a single 177mm drum. Front and rear tyres measure 100/90-18 and 110/90-18 respectively. The dry weight of the motorcycle is 188kg, or 414.4lbs, while the wet weight is 201kg, or 443.1lbs. It has a fuel capacity of 17 litres, or 4.4 US gallions, and has an average fuel consumption of 55 mpg. The standing quarter mile time is 13.0 sec at 96mph and the top speed is 110 mph.

Technical specifications:

Make Model: Yamaha XZ 550R Vision

Year: 1983
Engine: Four stroke, 70 degreesV-twin cylinder. DOHC, 4 valve per cylinder
Capacity: 552 cc / 33.7 lb-ft
Bore x Stroke: 80 55 mm
Cooling System: Liquid cooled
Compression Ratio: 10.4:1
Induction: 2x 36mm Mikuni carburetors
Ignition: Battery powered inductive
Starting: Electric
Max Power: 64 hp / 46.7 kW @ 9500 rpm
Max Torque: 4.8 kgf-m / 34.7 lb-ft @ 8500 rpm
Transmission: 5 Speed
Final Drive: Shaft
Front Suspension: Telescopic oil damped forks
Rear Suspension: Gas filled monoshock, 2-way adjustable.
Front Brakes: 2x 266mm discs
Rear Brakes: Single 177mm drum
Front Tyre: 100/90-18
Rear Tyre: 110/90-18
Dry Weight: 188 kg / 414.4 lbs
Wet Weight: 201 kg / 443.1 lbs
Fuel Capacity: 17 Litres / 4.4 US gal
Consumption Average: 55 mpg
Standing 1/4 Mile: 13.0 sec / 96 mph
Top Speed: 110 mph