Who runs with out a air box lid?.

[z71]

I just trail ride and run with no air box lid and I am just wandering who else runs with out a lid. I am nervous about getting water and mud in my air box. I run a K&N filter with pre-filter. I am just wonder if I should cut the stock lid but I do not want to loose any performance compare to running with out a lid.

[fandl450r]

I run without a lid all the time, have since I bought it. I mostly race MX, but I havent had any problems. As long as you have the filter on the boot nice and tight.

[scrapen]

ya I have never ran with me lid on. I even ran the Idaho WORC's race with out it in about 5" of mud and water puddles with no problem.

[z71]

Thanks. I can't get the jetting right with the lid on. And it just plan runs alot better with it off. I never owned a quad with touchy jetting like this it likes alot of air. My last quad was a 2002 Raptor and with 2 cabs on it was not as touchy. I would never go back to it though the more I ride this 450R the more I can not stay off of it.

[infinity450r]

I have ran without an air box lid....not such a good idea. I ran into some problems with dust getting into my carb, I had to buy a whole new HRC carb. The best way that i found was to drill the inch wholes and buy the plugs for the lid....


05 450r
many extras...

[fandl450r]

It does like a lot of air, thats for sure! Especially if its jetted correctly.

[400excracer]

Get yourself an EHS airbox lid. They use the stock lid, cut out the top, and sandwich an outerwears inbetween the lid and an aluminum frame. I race cross country and havent had any problems with water. I used a K&N jet kit and jetted it like I was not running a lid. With the EHS lid it ran perfect. Highly recomend it.

[HAVOK]

EHS lid is a ripoff. Z71 get the Outerwears airbox cover for 20bucks from nacs over a hrc lid and then wrap your prefilter you have now over the white intake tube, so all the air that enters the box will be prefiltered.

[Punk'd]

I run with no lid.. I made a custom airbox cover that covers a little over half of the box but still allows air in. Im running a 190main.. 50pilot with air screw 3 turns out

[walty]

if u are affraid of water entering the air box......
why dont you remove the drain plug a the bottom of tha air box ,so if water gets in....it will get out;)

[z71]

thanks. I think that hole is a one way plug it is designed to let the water out. I don't want to remove it.It will let more dust in.I have a outerwears cover on order.

i run a cut lid, sparks bigcore, k&n w/ outerwear, 190 main, 50 piolet, 4th clip down on needle

works great, 1 full mhsc race season, riding my place etc, runs perf :macho

[Ridin' Jesse]

You wont have problems if u clean ur air filter regularly, make sure its on the whole way, n stuff like that...i run w/o it all the time.