Yamaha XJ900F (1990-93)

The Yamaha XJ900F is a motorcycle produced between 1990 and 1993. It has an air-cooled, four-stroke, transverse four-cylinder engine with a capacity of 891cc and a bore x stroke of 68.5 x 60.5mm. It features a maximum power of 98hp at 9000rpm and a maximum torque of 81 Nm at 7000rpm. The bike is equipped with a wet, 6-spring clutch and a 5-speed transmission with final drive via a shaft. The bike has a steel tubular frame and is fitted with a 37mm telescopic front fork and a twin-shock swingarm rear suspension. Braking is provided by 2x267mm discs at the front and a single 267mm disc at the rear. The bike has a rake of 27 degrees and a trail of 120mm. It measures 2260mm in length, has a wheelbase of 1480mm, and a seat height of 780mm. The bike weighs 244kg with a fuel capacity of 22 litres. It has an average fuel consumption of 44.1 mph and can reach a top speed of 193.1 km/h. The Yamaha XJ900F has a standing 1/4 mile time of 12.1 seconds at a speed of 175.4 km/h.

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Technical specifications:

Make Model: Yamaha XJ 900F

Year: 1990 – 93

Engine: Four stroke, transverse four cylinder, DOHC, 2 valves per cylinder.

Capacity: 891 cc / 54.3 cu-in

Bore x Stroke: 68.5 x 60.5 mm

Cooling System: Air cooled

Compression Ratio: 9.6:1

Induction: 4x Mikuni BS36

Ignition: CDI

Starting: Electric

Max Power: 98 hp / 72 kW @ 9000 rpm

Max Torque: 81 Nm / @ 7000 rpm

Clutch: Wet, 6 springs

Transmission: 5 Speed

Final Drive: Shaft

Frame: Steel tubular

Front Suspension: 37mm Telescopic fork

Rear Suspension: Twin shock, Swingarm

Front Brakes: 2x 267mm discs

Rear Brakes: Single 267mm disc,

Front Tyre: 100/90-18

Rear Tyre: 120/90-18

Rake: 27 degrees

Trial: 120 mm / 4.5 in

Length: 2260 mm / 88.9 in

Wheelbase: 1480 mm / 58.2 in

Seat Height: 780mm / 30.7 in

Ground clearance: 145mm / 5.7 in

Wet Weight: 244 kg / 537.9 lbs

Fuel Capacity: 22 Litres / 5.8 US gal

Consumption Average: 44.1 mph

Standing 1/4 Mile: 12.1 sec / 175.4 km/h

Top Speed: 193.1 km/h