2006 Ducati Multistrada 620 Owners Manual - Page 174

Engine 90 degree twin cylinder four stroke, 618 cc, Desmodromic valve gear, electronic fuel injection, air cooled. Bore: 80 Stroke: 61,5 Total displacement cm3: 618 Compression ratio: 10,5:1 Max power at crankshaft (95/1/EC), kW/CV: 45 kW (61 HP) at 8500 rpm Restricted power version 24.5 kW (33 HP) at 8500 rpm Max torque at crankshaft (95/1/EC): 55 Nm - 5.6 kgm at 6500 rpm Restricted power version 46 Nm - 4.7 kgm at 4000 rpm Important Do not exceed specified rpm limits in any running condition. Timing system Desmodromic with two valves per cylinder, operated by four rocker arms (two opening rockers and two closing rockers) and one overhead camshaft. It is operated by the crankshaft through spur gears, belt rollers and toothed belts. Desmodromic timing system (fig. 75) 1) 2) 3) 4) 5) 6) 7) 8) Opening (or upper) rocker; opening rocker shim; split rings closing (or lower) rocker shim; return spring for lower rocker; closing (or lower) rocker; camshaft; valve. E fig. 75 81