Question about the air intake ducts(triangle pieces)?

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Question about the air intake ducts(triangle pieces)?

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CBR Forum >> Current Honda CBR Models >> CBR 600F4i >> Question about the air intake ducts(triangle pieces)?

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Question about the air intake ducts(triangle pieces)? - 5/11/2008 4:31:23 PM

f4iman

Posts: 71
Joined: 5/10/2007
Status: offline

I was putting my bike back together and someone forgot to put the air ducts on just so i could run it sooner. SO my question is exactly how important are they? The bike runs ok, it sounds deeper than normal, but then again I just put a KN filter and PC3 on it. What do you think? Thanks

Post #: 1

RE: Question about the air intake ducts(triangle pieces)? - 5/11/2008 4:57:30 PM

whtan20

Posts: 310
Joined: 10/10/2007
Status: offline

Well more air would escape through the hole if they werent there, which would be less efficient at diverting air into the engine, but i would at least put tape over it or something. Takes what, like 5 minutes max? lol..

(in reply to f4iman)

Post #: 2

RE: Question about the air intake ducts(triangle pieces)? - 5/11/2008 6:24:57 PM

bluej511

Posts: 782
Joined: 7/14/2007
Status: offline

I do believe those are just chambers to keep the bike level down. Its just gonna suck more air (more dirty air from those 2 holes) id tape it up with duct tape or something or maybe put a plug on top of em. I dont know what those do besides lessen the sound its pretty stupid.

(in reply to whtan20)

Post #: 3

RE: Question about the air intake ducts(triangle pieces)? - 5/11/2008 7:43:53 PM

honda502

Posts: 179
Joined: 4/18/2007
Status: offline

It is so it passes noise level restrictions. All bikes have weird shit like that on 'em. My VFR has a valve on top of the airbox that closes when cruising at low engine load to keep sound down.

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2002 CBR600F4i, All Stock
1998 VFR800, Staintune High Mount Exhaust, K&N Air Filter

(in reply to bluej511)

Post #: 4