Quote:
Originally Posted by mavis cruet
Trying to decide which type of air filter to use on my trip to south america. Paper you can knock the dust out & re use to some extent, but need to carry a spare. Foam can be cleaned & oiled if you can find something to clean it with (petrol just trashes the glued seams). Same with k&n but u also need special oil. Im erring towards foam with a filterskin at the mo. What are other peoples preferences/ experiences?
Karl.
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What does your X Challenge use in stock form? I'm guessing foam?
This question is pretty easily answered: look at what OEM's use that manufacture dirt bikes. ALL use Foam filters ... have done for 30 years.
All points well covered here. You can use petrol for cleaning but don't soak the foam filter in it for long. Dip it in, squeeze it out right away. Now rinse well with soapy water, rinse again with plain water, re-oil once DRY.
The small bead of grease round the sealing edge of the filter is a commonly overlooked service step. Important on my Enduro prep list. Makes cleaning more work but in serious dust, really can save your motor ... also keeps water out. (for a while!  )
I've had filters get clogged (in competition) and my 2 stroke would no longer run. (plug fouled from DIRT in motor!) But that's riding behind 300 guys in
extreme Bull Dust conditions.
Filter Skins (or some form of pre-filter) are THE WAY. Means you do not need to carry a spare filter like I had to do when racing Enduro. You can even wash out and re-use your filter skins if need be.
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