The Yamaha XS 650E is a 1978 motorcycle with a four stroke, parallel twin cylinder engine and a capacity of 653 cc. It has a compression ratio of 8.4:1 and is cooled by air. The motorcycle has a wet sump lubrication system and is operated by 2 Mikuni BS38 carburetors. It features an electric and kick start system and has a maximum power output of 39.5 kW / 53 hp at 7200 rpm, with a maximum torque of 54 Nm / 5.5 kgf-m / 39.8 lb-ft at 6800 rpm. The five-speed transmission is combined with a chain final drive. The front suspension consists of telescopic forks and the rear suspension is a dual shock absorber system. The front brakes are twin hydraulic discs with a size of 267 mm while the rear brake is a drum. The front tyre is 3.50H-19 4PR and the rear tyre is 4.00H-18 4PR. The motorcycle has a length of 2175 mm, a width of 780 mm, and a height of 1090 mm. The wheelbase measures 1435 mm, the ground clearance is 150 mm, and the dry weight is 191 kg / 420 lbs. The fuel capacity is 15 litres / 4.0 US gal and the average consumption is 5.0 L/100 km / 20 km/l / 47 US mpg. The oil capacity is 2.5 litres / 2.6 US qts and the top speed is 185 km/h / 115 mph.
Technical specifications:
Make Model: Yamaha XS 650E
| Year | 1978 |
|---|---|
| Engine | Four stroke, parallel twin cylinder, SOHC, 2 valves per cylinder. |
| Capacity | 653 cc / 39.8 cu in |
| Bore x Stroke | 75 x 74 mm |
| Compression Ratio | 8.4:1 |
| Cooling System | Air cooled |
| Lubrication | Wet sump |
| Induction | 2 x Mikuni BS38 carburetors |
| Ignition | Battery, induction coil |
| Starting | Electric and kick |
| Max Power | 39.5 kW / 53 hp @ 7200 rpm |
| Max Torque | 54 Nm / 5.5 kgf-m / 39.8 lb-ft @ 6800 rpm |
| Transmission | 5 Speed |
| Final Drive | Chain |
| Front Suspension | Telescopic forks |
| Rear Suspension | Dual shock absorbers |
| Front Brakes | Twin hydraulic discs, 267 mm |
| Rear Brakes | Drum |
| Front Tyre | 3.50H-19 4PR |
| Rear Tyre | 4.00H-18 4PR |
| Dimensions | Length: 2175 mm / 85.6″Width: 780 mm / 30.7″Height: 1090 mm / 42.9″ |
| Wheelbase | 1435 mm / 56.5″ |
| Ground Clearance | 150 mm / 5.5″ |
| Seat Height | 810 mm / 31.9″ |
| Dry Weight | 191 kg / 420 lbs |
| Wet Weight | 217 kg / 478 lbs |
| Fuel Capacity | 15 Litres / 4.0 US gal |
| Average Consumption | 5.0 L/100 km / 20 km/l / 47 US mpg |
| Oil Capacity | 2.5 Litres / 2.6 US qts |
| Top Speed | 185 km/h / 115 mph |
