Undo the three, Torx-25 retaining fixings
Next, undo the circular clip on the air intake - use a 7mm socket or a screwdriver for this
Now you can carefully lift away the top section of the air filter body
View of the air filter cover
Now, lift out the air filter - check that the air filter chamber is clean, removing any dust or debris
Clean off any debris on the surface of the filter. Replace with new filter if heavily contaminated
Reassemble the air filter housing