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