2001-2006 Honda TRX 300EX Sportrax 300EX Factory Service Manual, Page 50Get this manual
MAINTENANCE Wash the element in non-flammable
high-flash
point solventSql,leel8 oul the solvent thoroughly, and allow the elemenllo dryApply Pro-Hondll Foam Filter Oil or equivalent oil and squeeze out Ol(cess
SQUEEZE WASH IN NON-FLAMMABLE SOLVENT SOAK
SaUEEZE
IHonda Foam
Filler Oil or an eqUivalenl )
Install the element to the holder
Fallut8o properly