BMW R65

BMW R65

year icon
Model year
1991
make icon
Make
BMW
power icon
Engine Power
47.59 HP (35 kW) @ 7250 rpm
Speed icon
Top Speed
107.5 mph

Technical Specifications

Engine and transmission

  • Engine type:
    2 cylinders, 4-stroke, Boxer
  • Displacement:
    649 cc (39.65 cubic inches)
  • Bore × stroke:
    3.23 inch × 2.42 inch (oversquare - shortstroke)
  • Cooling system:
    Air cooled
  • Power:
    47.59 HP (35 kW) @ 7250 rpm
  • Torque:
    48 Nm (35.4 lb-ft) @ 3500 rpm
  • Throttle:
    Cable operated
  • Valves
    Valve train:
    OHV, variable
    Valves per cylinder:
    2
  • Fuel and ignition
    Sparks per cylinder:
    1
    Fuel supply system:
    Carburetor
    Funnel diameter:
    1.26 inch
  • Compression:
    8.7:1
  • Engine mounting:
    Longitudinal
  • Lubrication system:
    Wet sump
  • Gear box:
    Manual 5-speed
  • Clutch:
    Dry, single plate, cable operated
  • Final drive:
    Shaft
  • Spark plug pipe type:
    Bosch, W 7 DC
  • Starter:
    Electric

Dimensions

  • Physical measures
    Length:
    85.6 inch
    Width:
    31.5 inch
    Height:
    43.5 inch
  • Wheel base:
    57 inch
  • Trail:
    4.7 inch
  • Ground clearance:
    5.51 inch
  • Seat height:
    31.8 inch
  • Weight
    Curb weight:
    451.9 lbs

Chassis and suspension

  • Front
    Suspension:
    Cartridge
    Suspension travel:
    6.89 inch
    Fork angle:
    28°
    Brake:
    Single Disk, Ø11.22 inch
    Tire:
    90 / 90 R18 R 51 H
  • Rear
    Suspension:
    mono shock, Mono arm
    Suspension travel:
    4.76 inch
    Brake:
    Drum, Ø7.87 inch
    Tire:
    120 / 90 R18 R 65 H
  • Frame type:
    steel, Double cradle frame

Other

  • ABS available:
    No
  • Power-to-weight ratio:
    0.17 KW/lbs (5.86 lbs/HP)
  • Acceleration (0-60 mph):
    6.8 sec
  • Top speed:
    107.5 mph
  • Fuel capacity:
    5.81 gals
  • Number of riders:
    2 persons

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