ðə kɹˈæŋkkeɪs wʌz kˈæst ɪn ɐ lˈaɪtweɪt ˈælɔɪ wɪð "sˈɪlaɪɾək" sˈɪlɪkən slˈæʃ ˌæljʊmˈɪniəm sˈɪlɪndɚ lˈaɪnɚz tə sˈeɪv wˈeɪt.
The crankcase was cast in a lightweight alloy with "Silitec" (silicon/aluminium) cylinder liners to save weight.