Yamaha XJ 650
The 1981 Yamaha XJ 650 is a stylish and All-Rounder motorcycle with Air cooled, 653cc, Inline-4, DOHC and 70.43 HP (51.8 kW) @ 9400 rpm.
Technical Specifications
Engine and transmission
- Engine type:4 cylinders, 4-stroke, Inline
- Displacement:653 cc (39.9 cubic inches)
- Bore × stroke:2.48 inch × 2.06 inch (oversquare - shortstroke)
- Cooling system:Air cooled
- Power:70.43 HP (51.8 kW) @ 9400 rpm
- Throttle:Cable operated
- Valve train:DOHC, variable
- Valves per cylinder:2
- 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
- Curb weight:509.3 lbs
Chassis and suspension
- FrontSuspension:CartridgeBrake:Twin Disk
- RearSuspension:mono shock, SwingarmBrake:DrumTire:120 / 90 R18
- Frame type:steel, Double cradle frame
Other
- ABS available:No
- Power-to-weight ratio:0.22 KW/lbs (4.46 lbs/HP)
- Top speed:122.41 mph
- Fuel capacity:5.42 gals
- Number of riders:2 persons