Siamoto Scross

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Siamoto Scross was a scooter made between the years 1996-1999 by Italian company Siamoto. It is an offroad scooter (scooter cross), equipped with cross tires and suspension. It was powered by an air-cooled two-stroke reed valve Morini Franco Motori single-cylinder engine. It is still possible to buy second hand Scross scooters, but they are very rare and hard to find.

Technical Specifications (from user's manual)

Engine:
Franco Morini FMSC
Horizontal 2 stroke monocylindric
Bore and stroke: 41 x 37,4
Displacement: 49,4 cc
Compression ratio: 11,98:1
Lubrication by not adjustable mixture pump
Carb: Dell’Orto PHVA 12 DD with automatic starter
Lamellar valve distribution
Electrical ignition
Electric and kick starter
Forced air cooling
Automatic dry centrifugal clutch
Continuous automatic variator
Transmission: primary trapezoidal toothed belt, secondary by lubricated gearing
Gear box oil: SAE 30

Vehicle:
Frame: made by high resistance steel tubes composed of single bar and doubled lettice framework with reinforcement elements
Front suspension: upside down Ø33 mm, with 165 mm excursion
Rear suspension: single arm with hydraulic shock absorber with 90 mm excursion
Front brake: disk Ø230 mm
Rear brake: drum
Front tire: 2.50 x 16″
Rear tire: 3.50 x 14″
Fuel tank capacity: 9.5 l
Oil tank capacity: 1.5 l

Dimensions:
Length: 1900 mm
Width (handlebar): 720 mm
Wheel base: 1345 mm
Seat height: 833 mm
Dry weight: 88 kg