cylinder block & crankcase GJV-450 compacted vermicular graphite cast iron (GJV/CGI); six main bearings, two-part cast aluminium alloy horizontal-baffled oil sump, simplex roller chain-driven oil pump, die-forged steel crankshaft, forged steel connecting rods, cast aluminium alloy pistons (weight, each, including rings and gudgeon pin: 492 grams )