Air Filter

[Mansie]

Mine smells of petrol and looks dirty. Can I clean it or do I need to replace it? What sort of Air Filter do you use? How often do you replace them? Wemoto does air filters - any good?
Thanks, Mansie

[alexibrow]

What bike is it?

I fitted a K&N reusable filter to my Super Four, they're about £30 and because you can clean them, I'll never have to buy another filter again! Oh, and the performance is slightly improved over standard without the need to rejet.

[chmod-uk]

Supposed to renew it every 20000 kilometres. Its a round foam one as picture, not sure if it washable though.

[Mansie]

Yes, the bike is a CB400 Four '97 model and the air filter is round, just like in the picture.
Honda part number 17230-MY9-000. I didn't know about the 20000 kms. Thanks.

[Bodhi]

Is it easy enough to change an air filter? I had a new one installed when I got my bike serviced back in October last year, but would love to fit a K&N if there was a noticeable increase in performance. Is it worth the money or should I wait until this one needs replacing and add the K&N one then?

[alexibrow]

Well, I rate my K&N. Takes about 10 minute to fit - as you can see in the pic above, there's three nuts that hold the cover in place; whip that off and pull the old filter out. As Hayne's is fond of saying, "Refitting is the reverse of disassembly"!

[chmod-uk]

The part number matches up with the CB500SY 98-2000 air filter if that's any help.

[tonec]

Has anyone got the K&N Part No. as they don't show anything for a 94 SF

[alexibrow]

Has anyone got the K&N Part No. as they don't show anything for a 94 SF

HA-4020 is correct, as far as I can remember. I know it's supposed to be suitable from 2000 onwards, but it should fit earlier models too - mine's a 1995 Version R and it fits mine!

[chmod-uk]

One on ebay now for £27.99 it's the HA-4020.