Yamaha XJ 900
The 1984 Yamaha XJ 900 is a stylish and Supersport motorcycle with Air cooled, 891cc, Inline-4, DOHC and 97.21 HP (71.5 kW) @ 9000 rpm.
Technical Specifications
Engine and transmission
- Engine type:4 cylinders, 4-stroke, Inline
- Displacement:891 cc (54.44 cubic inches)
- Bore × stroke:2.7 inch × 2.38 inch (oversquare - shortstroke)
- Cooling system:Air cooled
- Power:97.21 HP (71.5 kW) @ 9000 rpm
- Throttle:Cable operated
- Valve train:DOHC, variable
- Valves per cylinder:2
- Sparks per cylinder:1
- Fuel supply system:Carburetor
- Compression:9.6:1
- Engine mounting:Transverse
- Lubrication system:Wet sump
- Gear box:Manual 5-speed
- Clutch:Wet, multiple discs, cable operated
- Final drive:Shaft
- Spark plug pipe type:NGK, BPR8ES
- Motor oil:Synthetic, 20W/40
- Starter:Electric
Dimensions
- Curb weight:533.5 lbs
Chassis and suspension
- FrontSuspension:CartridgeBrake:Twin DiskTire:100 / 90 R18Tire pressure:0.16 PSI, with pillion: 0.17 PSI withpilion
- RearSuspension:twin shock, SwingarmBrake:DiskTire:120 / 90 R18Tire pressure:0.17 PSI, with pillion: 0.2 PSI withpilion
- Frame type:steel, Double cradle frame
Other
- ABS available:No
- Power-to-weight ratio:0.30 KW/lbs (3.38 lbs/HP)
- Top speed:134.84 mph
- Fuel capacity:5.81 gals
- Number of riders:2 persons
