1984 Yamaha XJ 650 specifications.

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1984 Yamaha XJ 650

Engine and transmission 1984 Yamaha XJ 650
Engine type:
4 cylinders, 4-stroke, Inline
Displacement:
653 cc (39.9 cubic inches)
Bore × stroke:
63 mm × 52.4 mm (oversquare - shortstroke)
Cooling system:
Air cooled
Power:
70.43 HP (51.8 kW) @ 9400 rpm
Throttle:
Cable operated
Valves:
Valve train:
DOHC, variable
Valves per cylinder:
2
Fuel and ignition:
Sparks per cylinder:
1
Fuel supply system:
Carburetor
Compression:
9.2:1
Engine mounting:
Transverse
Lubrication system:
Wet sump
Gear box:
Manual 5-speed
Clutch:
Wet, multiple discs, cable operated
Final drive:
Shaft
Starter:
Electric
Dimensions 1984 Yamaha XJ 650
Weight:
Curb weight:
231 kg
Chassis and suspension 1984 Yamaha XJ 650
Frame type:
steel, Double cradle frame
Front:
Suspension:
Cartridge
Brake:
Twin Disk
Rear:
Suspension:
mono shock, Swingarm
Brake:
Drum
Tire:
120 / 90 R18
Other 1984 Yamaha XJ 650
ABS available:
No
Power-to-weight ratio:
0.22 HP/kg(4.46 kg/HP)
Top speed:
197 km/h
Fuel capacity:
20.5 l
Number of riders:
2 persons