Replacement of a replaceable element of the air filter it is necessary to carry out in a following order.
Remove the soundproof casing and disconnect the rods from the shock absorber cups. Disconnect suction hose (4, see fig. 6.15) moving forward. Remove bolts (7) and remove the cover (5) intake silencer.
Loosen the cover screws (1) air filter housings. Remove the oil filler cap and the air filter housing cover. Remove the air filter element (1, fig. 6.88), replace if necessary.
Install the air filter element in the reverse order, inserting the element (1) air filter with support (2) into the latch, moving downwards. Assemble the engine.