Moto RUMI Formichino ("little ant")

Moto RUMI Formichino (Little ant”)

  • Displacement: 124.68 cm3
  • Two-stroke engine with two horizontal cylinders side by side
  • Bore and stroke 42×45 mm, compression ratio 6.5:1
  • Max speed 6000 rpm, max power 6.5 HP (3 fiscal HP); Sport Version 8 HP
  • Separate cast iron cylinders, cast iron heads; Sport version (since 1957) aluminum cylinders
  • Dell’Orto UA 15 S carburettor with special hemispherical filter for the touring version
    Dell’Orto MB 22 A carburettor with air filter for the sport version
  • Nassetti flywheel-magnet ignition with two breakers, two bursts for each revolution
  • Clutch with multiple discs in oil bath
  • Four-speed block gearbox, always engaged
    4-speed ratios: 1st 26.4, 2nd 16.0, 3rd 10.8, 4th 8.57
  • Primary transmission by gears, secondary by chain in oscillating carter
  • Load-bearing, modular bodywork cast in special A.R. aluminum alloy; wheelbase 1200 mm
  • Front suspension with wishbones and springs
  • Rear suspension with oscillating bearing casing, with rubber shock absorber rings
  • Removable, interchangeable sheet iron wheels, third spare wheel
    4.00 x 8” beaded tyres; Sport version 3.50 x 10”
  • Ø 125 front and rear brake
  • Electrical system with CEV revolving front light, CEV rear light
  • Instrumentation initially not foreseen, then Veglia speedometer with 1-100 km/h scale
  • Driving set-up with black vinyl leather saddle; Sport version with long seat
  • 7 liter tank
  • Dry weight 100kg
  • Maximum speed 75km/h; Sport version 105 km/h, gradeability 20 %
  • Average consumption 2.5 liters of fuel per 100 km
  • List price L. 138,000
  • Color range: ivory