Yamaha XJ400S Diversion (1991)

The Yamaha XJ 400S Diversion is a motorcycle that was produced in 1991. The bike has a four-stroke, transverse four-cylinder, DOHC engine with 4 valves per cylinder and a 399cc capacity. It also has air cooling and an induction of 4x 30mm CV. The ignition is CDI, and the bike starts with an electric system. The maximum power of the motorcycle is 42 ps / 30.8 kW @ 10000 rpm, whilst the maximum torque is 3.5 kgf-m / 25.3 lb-ft @ 7000 rpm. The bike has a six-speed transmission and a chain final drive.

The Yamaha XJ 400S Diversion’s suspension includes telescopic forks on the front and dual shocks preload adjustable on the rear. The front and rear brakes both feature single discs and two-piston calipers. The bike has a front tire size of 110/70-17 and a rear tire size of 130/70-18. The dry weight of the motorcycle is 178 kg / 392 lbs, and it has a fuel capacity of 18 liters / 4.7 US gal.

All in all, the Yamaha XJ 400S Diversion is a reliable motorcycle with a comfortable suspension and good braking power. It has a fuel capacity that allows for longer rides and a powerful engine, with an adequate transmission that makes for a comfortable ride. However, it should be noted that this is an older model of the Yamaha XJ and there have been numerous updates in later models.

Technical specifications:

Make Model: Yamaha XJ 400S Diversion

Year: 1991-
Engine: Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder.
Capacity: 399 cc / 24.2 cu-in
Bore x Stroke: 55 47 mm
Cooling System: Air cooled
Compression Ratio: 10.7:1
Induction: 4x 30mm CV
Ignition: CDI
Starting: Electric
Max Power: 42 ps / 30.8 kW @ 10000 rpm
Max Torque: 3.5 kgf-m / 25.3 lb-ft @ 7000 rpm
Transmission: 6 Speed
Final Drive: Chain
Front Suspension: Telescopic forks
Rear Suspension: Dual shocks preload adjustable.
Front Brakes: Single discs 2 piston caliper
Rear Brakes: Single discs 2 piston caliper
Front Tyre: 110/70-17
Rear Tyre: 130/70-18
Dry Weight: 178 kg / 392 lbs
Fuel Capacity: 18 Litres / 4.7 US gal