Yamaha XJ 650 Seca (1981) technical specifications
Yamaha XJ 650 Seca is produced in 1981. Engine is Four stroke, transverse four cylinder, DOHC, 2 valves per cylinder,, displacement 653 cc / 39.8 cu-in , produces power 71 hp / 51.8 kW @ 9400 rpm and 57 Nm / 42 lb-ft @ 7500 rpm. Yamaha XJ 650 Seca weighs 206 kg / 465 lbs. Yamaha XJ 650 Seca has 3 photos.
Technical specifications
+ Add to 'Compare list'| Model: | XJ 650 Seca |
| Years: | 1981 |
| Engine: | Four stroke, transverse four cylinder, DOHC, 2 valves per cylinder, |
| Capacity: | 653 cc / 39.8 cu-in |
| Bore x Stroke: | 63 х 52.4 mm |
| Cooling System: | Air-cooled |
| Compression Ratio: | 9.2:1 |
| Induction: | 4x 32mm Hitachi carburetors |
| Ignition: | Transistorized |
| Starting: | Electric |
| Max Power: | 71 hp / 51.8 kW @ 9400 rpm |
| Max Torque: | 57 Nm / 42 lb-ft @ 7500 rpm |
| Clutch: | Wet Multiplate; 7 Steel 8 Friction |
| Transmission: | 5 Speed |
| Final Drive: | Shaft |
| Gear Ratio: | 1st 2.187 (35/16) 2nd 1.500 (30/20) 3rd 1.153 (30/26) 4th 0.933 (28/30) 5th 0.812 (26/32) |
| Frame: | Tubular steel dual cradle frame |
| Front Suspension: | 36mm Kayaba forks |
| Front Wheel Travel: | 142 mm / 5.5 in |
| Rear Suspension: | Duel Kayaba shocks |
| Rear Wheel Travel: | 93 mm / 3.6 in |
| Front Brakes: | 2x 268mm disc 1 piston calipers |
| Rear Brakes: | Drum |
| Front Tyre: | 3.25-19 |
| Rear Tyre: | 120/90-18 |
| Wheelbase: | 1445 mm / 56.8 in |
| Seat Height: | 780 mm / 30.7 in |
| Ground Clearance: | 145 mm / 5.7 in |
| Dry Weight: | 206 kg / 465 lbs |
| Fuel Capacity: | 19.5 Litres / 5.1 US gal |
| Consumption Average: | 48.6 mpg |
| Standing ¼ Mile: | 12.6 sec. / 171 km/h |
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