Yamaha XJ750E (1981-82)

The Yamaha XJ 750E motorcycle was produced between 1981-1982 and featured a four stroke, transverse four cylinder DOHC engine with 2 valves per cylinder. Its capacity was 749cc and had a compression ratio of 9.2:1. The four carburetors were 32mm Hitachi and the ignition was transistorized, with starting via electric power. The bike had a maximum power of 81hp at 9000rpm and torque of 48.5 Nm at 7000rpm. It had a wet multiplate clutch, 5-speed transmission, and chain final drive. The front suspension was 36mm Showa forks, adjustable air pressure anti-dive resistance, and had a wheel travel of 150mm. The rear suspension had dual dampers adjustable for spring preload rebound damping and wheel travel of 97.5mm. The front brakes featured 2x300mm discs and 2 piston calipers, while the rear brake was a drum. The bike had a dry weight of 214kg and a wet weight of 235kg with a fuel capacity of 19 liters. The consumption average was 43mpg with a standing 1/4 mile of 12.6 seconds at 105.3mph and a top speed of 126mph (202.8 km/h).

Technical specifications:

Make Model: Yamaha XJ 750E

Year: 1981 – 82
Engine: Four stroke, transverse four cylinder, DOHC, 2 valves per cylinder.
Capacity: 749 cc / 45.6 cu-in
Bore x Stroke: 65 56.4 mm
Cooling System: Air cooled
Compression Ratio: 9.2:1
Induction: 4x 32mm Hitachi carburetors
Ignition: Transistorized
Starting: Electric
Max Power: 81 hp / 59.6 kW @ 9000 rpm
Max Torque: 48.5 Nm / 35.7 lb-ft @ 7000 rpm
Clutch: Wet Multiplate
Transmission: 5 Speed
Final Drive: Chain
Front Suspension: 36mm Showa forks adjustable air pressure anti-dive resistance.150mm wheel travel.
Rear Suspension: Dual dampers adjustable for spring preload rebound damping.97.5 wheel travel.
Front Brakes: 2x 300mm disc 2 piston calipers
Rear Brakes: Drum
Front Tyre: 3.25-19
Rear Tyre: 120/90-18
Dry Weight: 214 kg /471.4 lbs
Wet Weight: 235 kg / 518 lbs
Fuel Capacity: 19 Litres / 5.0 US gal
Consumption Average: 43 mpg
Standing 1/4 Mile: 12.6 sec / 105.3 mph 169.5 km/h
Top Speed: 202.8 km/h / 126 mph