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 |
