2004 Ducati Monster S4R Owners Manual - Page 141
2004 Ducati Monster S4R Manual
Page 141 highlights
E Engine Twin cylinder, four-stroke, 90° "L" type, longitudinal. Bore mm: 94. Stroke mm: 66. Total displacement cu.cm.: 996. Compression ratio: 11.6±0.5:1. Max. power at crankshaft (95/1/EC): 83.4 kW - 113 HP at 8750 rpm. Max torque at crankshaft (95/1/EC): 95.5 Nm (9.68 Kgm) at 7000 rpm. Timing system Desmodromic with four valves per cylinder, operated by eight rockers (4 opening rockers and 4 closing rockers) and two overhead camshafts. It is operated by the crankshaft through spur gears, belt rollers and toothed belts. Desmodromic timing system (fig. 67) 1) Opening (or upper) rocker; 2) opening rocker shim; 3) split rings; 4) closing (or lower) rocker shim; 5) return spring for lower rocker; 6) closing (or lower) rocker; 7) camshaft; 8) valve. 1 1 5 7 6 4 8 66 2 3 6 fig. 67
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