Yamaha XZ400D (1982-8)

The Yamaha XZ400D was a motorcycle produced from 1982-8, with a liquid-cooled, 398cc four-stroke, 70 degrees V-twin cylinder engine capable of reaching a maximum power of 45hp at 9000rpm with a compression ratio of 10.5:1. The bike featured a 2x Mikuni carburetor induction system and battery-powered inductive ignition, utilizing a 5-speed transmission and shaft final drive. The bike’s suspension had telescopic oil damped forks at the front and gas filled monoshock at the rear. The front brakes consisted of 2x 266mm discs while the rear brakes had a single 177mm drum. Both front and rear tires were 18 inches in diameter with the front measuring 100/90 and the rear measuring 110/90. The dry weight of the bike was 188kg and with fuel and other fluids, the weight increased to a wet weight of 201kg, with a fuel tank capacity of 17L. The Yamaha XZ400D was a well-rounded motorcycle that offered good performance and handling suitable for touring or commuting purposes.

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Technical specifications:

Make Model: Yamaha XZ 400D

Year: 1982 – 8

Engine: Four stroke, 70 degreesV-twin cylinder. DOHC, 4 valve per cylinder

Capacity: 398 cc / 24.2 cu-in

Bore x Stroke: 73 47.6 mm

Cooling System: Liquid cooled

Compression Ratio: 10.5:1

Induction: 2x Mikuni carburetors

Ignition: Battery powered inductive

Starting: Electric

Max Power: 45 hp / 33.5 kW @ 9000 rpm

Max Torque: 3.4 kgf-m / 27.5 lb-ft @ 9000 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