Yamaha YZ 490

Yamaha YZ 490

The 1990 Yamaha YZ 490 is a stylish and Offroad motorcycle with 487cc, Single and ---.

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Model year
1990
make icon
Make
Yamaha
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Engine Power
---
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Top Speed
---

Technical Specifications

Engine and transmission

  • Engine type:
    1 cylinders, Single
  • Displacement:
    487 cc (29.76 cubic inches)
  • Bore × stroke:
    3.43 inch × 3.23 inch (oversquare - shortstroke)
  • Throttle:
    Cable operated
  • Valves per cylinder:
    4
  • Sparks per cylinder:
    1
  • Fuel supply system:
    Carburetor
  • Ignition type:
    Digital CDI
  • Engine mounting:
    Vertical
  • Lubrication system:
    Wet sump
  • Gear box:
    Manual
  • Clutch:
    Wet, multiple discs, cable operated
  • Final drive:
    Chain
  • Spark plug pipe type:
    NGK, B8EG
  • Starter:
    Electric

Chassis and suspension

  • Front
    Suspension:
    Cartridge
    Tire:
    80 / 100 R21 M
    Tire pressure:
    0.07 PSI
  • Rear
    Suspension:
    mono shock, Swingarm
    Brake:
    Drum
    Tire:
    110 / 100 R18 M
    Tire pressure:
    0.07 PSI
  • Frame type:
    steel, Single cradle frame

Other

  • ABS available:
    No
  • Number of riders:
    2 persons
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