2004 Ducati Monster S4R Owners Manual - Page 121
2004 Ducati Monster S4R Manual
Page 121 highlights
Changing air filter (fig. 45) Replace the air filter at the required intervals shown in the routine maintenance chart (see Warranty Card) . The air box is accessible after lifting the fuel tank as described on page 45. To remove the filter, release the cover clips (1) on both sides of the air box and take off the cover (2). Remove the filter cartridge (3, fig. 46) and fit a new one. 2 E Important A clogged filter will reduce air intake, increase fuel consumption, reduce engine power, and foul the spark plugs. Do not use the motorcycle without filter or suspended matters could get into the engine and cause damage. Install the filter into the seat in the air box as shown in the figure and refit all the parts you have removed. Important If you are using the motorcycle on dusty or very wet roads, replace filter more frequently than recommended intervals shown in the routine maintenance chart (see Warranty Card). 1 fig. 45 3 fig. 46 46