Moto RUMI Sport

• Displacement: 124.68 cm3
• Two-stroke engine with two horizontal cylinders side by side
• Bore and stroke 42×45 mm, compression ratio 7.8:1
• Max speed 6000 rpm, max power 7 HP (3 fiscal HP)
• Separate cast iron cylinders, aluminum heads
• Dell’Orto MB 22 A split manifold carburettor
• Flywheel magneto ignition with two breakers, two firings per revolution, 6V, 30W
• Clutch with multiple discs in oil bath
• Four-speed block gearbox always engaged
• Model 1950: 1st 19.4, 2nd 14.5, 3rd 10.0, 4th 7.6
• Model 1953: 1st 26.4, 2nd 16.0, 3rd 10.8, 4th 8.57
• Primary transmission by gears, secondary by chain
• Open double cradle frame; wheelbase 1250mm
• Hydraulic telescopic fork front suspension
• Guided wheel rear suspension with protected antagonist springs and chromed metal sheaths
• Wheels with 36 tangent spokes with aluminum or iron rims
  2.375 x 21” tires, later 2.50 x 19”, front ribbed and treaded rear
• Ø 140 mm aluminum expansion brakes
• Electrical system with Nassetti magnet, CEV front light, CEV rear light
• VDO speedometer instruments scaled from 1 to 120 km/h
• Cantilever saddle riding position with rear saddle or long saddle
• 14 liter tank
• Dry weight 90kg
• Maximum speed 100 km/h
• Average consumption 3.4 liters / 100 km
• List price 235,000 lire
• Color range: silver with red tank; uniform silver; red with black band on tank and white piping; solid red; gray with black band on the tank and blue/gold threads