BMC Air Filters - SYM MAXSYM 400 cc High Performance Air Filter Option:Standard (FM691/01) You just need to replace

You just need to replace (by screwing/unscrewing) the empty e-cartridge with a new one

Oil Filter Specification

com/support-docs/NPDLC/Fiches/RMS-6303086A

2x SKF fork seals kit

They will last much longer and saves money by reducing the frequency of replacement

BMC Air Filters - SYM MAXSYM 400 cc High Performance Air Filter Option:Standard (FM691/01) You just need to replaceThis High Performance air filter is made from premium material that allow increased air flow and filtration efficiency, blocking containment as small as 7 microns (compared with 10 microns in most other filters). BMC air filters are produced using a "Full Moulding" system. This prolongs the life and durability of the filter. The rubber used in BMC air filtering systems has a long life with optimum adhesion characteristics to all shapes of airboxes.