Aprilia RS 125

Aprilia RS 125

The Aprilia RS125 was a single cylinder, four-stroke Sport Bike motorcycle produced by Aprilia.

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Model year
1997
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Engine Power
14.82 HP (10.9 kW) @ 7000 rpm
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Top Speed
74.56 mph

Technical Specifications

Engine and transmission

  • Engine type:
    1 cylinders, 2-stroke, Single
  • Displacement:
    125 cc (7.64 cubic inches)
  • Bore × stroke:
    2.13 inch × 2.15 inch (square)
  • Cooling system:
    Water cooled
  • Power:
    14.82 HP (10.9 kW) @ 7000 rpm
  • Torque:
    15 Nm (11.06 lb-ft) @ 6250 rpm
  • Valve train:
    Reed valve, variable
  • Sparks per cylinder:
    1
  • Fuel supply system:
    Carburetor
  • Ignition type:
    Analogue CDI (Capacitive Discharge Ign.)
  • Funnel diameter:
    0.55 inch
  • Compression:
    12.5:1
  • Engine mounting:
    Transverse
  • Lubrication system:
    Mixture
  • Gear box:
    Manual 6-speed
  • Clutch:
    Wet, multiple discs, cable operated
  • Final drive:
    Chain
  • Spark plug pipe type:
    Denso, B8ES
  • Motor oil:
    Synthetic, 2T
  • Starter:
    Electric

Dimensions

  • Length:
    77 inch
  • Width:
    28.3 inch
  • Height:
    43.3 inch
  • Wheel base:
    53 inch
  • Trail:
    3.5 inch
  • Seat height:
    30.7 inch
  • Curb weight:
    315.3 lbs
  • Dry weight:
    269 lbs

Chassis and suspension

  • Front
    Suspension:
    Cartridge - upside-down
    Suspension travel:
    4.72 inch
    Fork angle:
    25°
    Brake:
    Single Disk, Ø12.6 inch
    Tire:
    110 / 70 R17
    Tire pressure:
    0.14 PSI
  • Rear
    Suspension:
    twin shock, Swingarm
    Suspension travel:
    4.72 inch
    Brake:
    Disk, Ø8.66 inch
    Tire:
    150 / 60 R17
    Tire pressure:
    0.14 PSI
  • Frame type:
    aluminium, twin spar

Other

  • ABS available:
    No
  • Power-to-weight ratio:
    0.08 KW/lbs (13.12 lbs/HP)
  • Top speed:
    74.56 mph
  • Fuel capacity:
    3.7 gals
  • Number of riders:
    2 persons

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