Yamaha AS 3

Yamaha AS 3

year icon
Model year
1971
make icon
Make
Yamaha
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Engine Power
15.91 HP (11.7 kW) @ 9800 rpm
Speed icon
Top Speed
78.91 mph

Technical Specifications

Engine and transmission

  • Engine type:
    2 cylinders, 2-stroke
  • Displacement:
    125 cc (7.64 cubic inches)
  • Bore × stroke:
    1.69 inch × 1.69 inch (square)
  • Cooling system:
    Air cooled
  • Power:
    15.91 HP (11.7 kW) @ 9800 rpm
  • Throttle:
    Cable operated
  • Sparks per cylinder:
    1
  • Fuel supply system:
    Carburetor
  • Compression:
    7:1
  • Engine mounting:
    Vertical
  • Gear box:
    Manual 5-speed
  • Clutch:
    Wet, multiple discs, cable operated
  • Final drive:
    Chain

Dimensions

  • Curb weight:
    231.5 lbs

Chassis and suspension

  • Front
    Suspension:
    Cartridge
    Brake:
    Drum
  • Rear
    Suspension:
    twin shock, Swingarm
    Brake:
    Drum
  • Frame type:
    steel, Single cradle frame

Other

  • ABS available:
    No
  • Power-to-weight ratio:
    0.11 KW/lbs (8.97 lbs/HP)
  • Top speed:
    78.91 mph
  • Fuel capacity:
    2.38 gals
  • Number of riders:
    2 persons
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