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Airbox Mods?
Posted: 11:23 pm May 23 2011
by Fieldie
G'day All!!!!
I saw some of the major MX team performance secrets in a magazine last week.
One that recurred between several teams was drilling holes in side of the airbox (and then covering with suitable mesh) to get better air flow.
I wondered if anyone has done this mod & how it went? Please post pics if you can...
Cheers!!!!
Posted: 12:03 am May 24 2011
by scheckaet
nope. just either remove the air box lid or drill severall hole in it AND REJET ACCORDINGLY.
Posted: 06:10 am May 24 2011
by plotski
The Top of my airbox lid looks like swiss cheese on my 250! Everyone one said throw it away...but its where my electronics mount..and I didnt want to re-mount them.A little jetting adjustment...and YEP...IT works!
Posted: 05:31 pm May 24 2011
by GCE61
I drilled 1" holes in the top of the air box.
Posted: 06:21 pm May 24 2011
by Julien D
ditch the lid, or cut off all but the portion that the VR is mounted to. And, as mentioned, re-jet. Although, if you have stock jetting, removing the airlid leans it enough to be closer to correct, lol!
Posted: 06:40 pm May 24 2011
by rsr02


juliend wrote:ditch the lid, or cut off all but the portion that the VR is mounted to. And, as mentioned, re-jet. Although, if you have stock jetting, removing the airlid leans it enough to be closer to correct, lol!
Does this work for the 220?
Posted: 07:01 pm May 24 2011
by Julien D
Yup.