slow EG hatch

So I screwed up, I think...
I just bought my first Ruckus not 3 days ago... It's a 2008 with about 1,300 miles on it... Today while I was just looking around through it and playing a little bit I took off the face of the airbox and figuring it worked just like the intake on my B18B motor in my hatchback I decided to start it up with said face of said airbox still off and gun it up a few times to see what happened... I was a bit sketch about it after I did and decided to just put the face of the airbox back on and forget about it...
Now when I take off from a stop, while I'm still in my low end, up until I hit about 20 mph, the motor struggles to get power and kindof lags a bit...
Can anyone tell me what exactly it is that I did wrong?
Is there any way to correct or repair this mistake?
Thanks guys!

silviaracer

When you put it back on you may not have had the filter correctly positioned or you could have a leak somewhere...seal it with some grease.

midwesta

Clean the carb.

thelate1

def. the filter not seated correctly. rookie mistake..... it's nbd.
take cover back off, and make sure the filter is sitting correctly before tightening all the screws....