Technical specifications
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| Model: |
100 Gran Sport "Marianna" |
| Years: |
1955-58 |
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Engine:
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Four stroke, single-cylinder, OHC, shaft and bevel gears, 31 mm inlet valve, 27 mm exhaust valve
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Capacity:
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99.66 cc / 6.08 cu in
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Bore x Stroke:
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49.4 x 52 mm
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Compression Ratio:
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8.5:1
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Cooling System:
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Air cooled
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Lubrication System:
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Forced oil sump
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Induction:
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Dell'Orto SS1, 20 mm
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Ignition:
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Battery coil
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Starting:
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Kick
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Max Power:
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6.7 kW / 9 hp @ 9000 rpm
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Clutch:
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Wet, multi-plate
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Transmission:
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4 Speed
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Final Drive:
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Chain
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Frame:
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Single tube, open cradle frame in tubular steel
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Front Suspension:
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Hydraulically damped telescopic forks
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Rear Suspension:
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Swingarm, dual shocks
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Front Brakes:
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Drum, Amadori
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Rear Brakes:
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Drum, Amadori
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Front Tyre:
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2.75 -17
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Rear Tyre:
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2.75 -17
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Wheelbase:
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1250 mm / 49.2 in
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Dry Weight:
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80 kg / 176 lbs
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Top Speed:
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130 km/h / 81 mph
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