Ariel SF31 1931 500cc 1 cyl ohv                                                 sold

    Ariel SF31 1931 500cc 1 cyl ohv


    Manufacturer: Ariel
    Model: SF31 
    Year: 1931
    Displacement: 497cc
    Engine type: 4-stroke / ohv
    Cylinders: 1
    Bore/stroke: 86.4x85mm
    Power: 20hp@4800rpm

    Frame number: S1872
    Engine number: S1812

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