DNA recommend you should clean your filter every 3,000 miles.

Of course, I don't listen to this since I'm doing that mileage every two months. Too much effort.

Yesterday, I decided to have a look at the filters.

My stage 3 side cover was clean but needed oiling. You're looking for the cotton to be a consistent red throughout.

Stage 1 filter needed a blow-out with compressed air (from a can, not a compressor) since it was had some debris inside. Gave it a quick but careful wipe. Held it up to the light, a perfect red colour.

Put it straight back in.

Do them when they need doing, and not at any other time.

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Bike: 2013 XT660Z, TKC70 tyres

Mods:
Barkbusters, Scottoiler, DIY Tail Mod, DNA Stage 3, Power Commander V & O2 Eliminator, Exan X-Black Stainless exhaust, Tool tube, Ohlins linear front fork springs, Nitron rear shock, JT front and Supersprox rear sprockets, D.I.D. VX 520 chain, Adventure Spec bashplate, DIY USB Outlet, DIY chain guide, Kev's Throttle mod

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