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View Full Version : Help installing a K&n filter



Nikebba11
01-20-2006, 05:53 PM
i need help in stalling i dont know where it goes what i have to unscrew i have a 250ex honda help plz!

2004exrider
01-20-2006, 07:19 PM
Your airbox should be under your seat and fenders. Take the back fenders off and you'll see a plastic box with a removable lid, take the lid off. Inside you'll see the filter take it off by loosening the screw on the hose clamp. Put the K&N in and its as simple as that:) . But make sure to rejet after done.

Jimmy

Chicksdigme423
01-20-2006, 07:21 PM
you might want to ask about how to rejet if you are unsure on how to install an air filter

400exc
01-20-2006, 07:48 PM
i dont think you have to rejet if you just put on a filter do you?

db250EX
01-20-2006, 08:26 PM
You shouldn't have to take the fenders off of a 250EX to get to the airbox. Take the seat off and you should be able to see it. You'll then need to pop the clamps holding the lid off and then install the new filter.

Nikebba11
01-22-2006, 02:24 PM
thanky you easy to install

Bound4Dirt
01-22-2006, 06:33 PM
Originally posted by 400exc
i dont think you have to rejet if you just put on a filter do you?

Put a new spark plug in ride it "plug chop" re-check plug and see if re-jet is needed. I doubt it though.

Nikebba11
01-22-2006, 06:49 PM
thansk ill do that and

I have a honda 250ex with a white brother e series exhaust pipe, k&n filter, now the jetting i need to know what setting to put it onto so it runs good and some help on installing please help i have no idea on the setting what to set them 2.

ride_red666
01-22-2006, 06:53 PM
id buy a service manual and it tells you exactly how to re jet, as for what size i do not kno. i suggest buying a jet kit, it tells u what setting to start at for your mods and elevation.

Nikebba11
01-22-2006, 07:03 PM
yea i bought a jetkit dynojet kit and it tells me the elevation but is that all i need to set it to because i read other posts and they talk about other things with numbers like 185 and etc not sure what they are and i kno how to install

Bound4Dirt
01-22-2006, 09:18 PM
If you go online the jets are $5 get a few..Go up 2 digits each time after a plug chop. This is the correct way. Let the engine tell what it needs :D