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-   -   Drill airbox - rejet necessary? (http://www.horizonsunlimited.com/hubb/kawasaki/drill-airbox-rejet-necessary-52072)

TommyT 14 Aug 2010 18:27

Drill airbox - rejet necessary?
I have the tank off my KLE and I want to drill a hole or holes in the airbox (it's one of the newer small airboxes). Anyway I was just wondering how big or how many holes I can get away with without having to rejet. I am a bit of a dummy when it comes to carbs so don't fancy tinkering with it.

Evil Donald 14 Aug 2010 18:46

If you increase the airfow you'll lean out the mixture, and newer carbed bikes run pretty lean as it is. I wouldn't expect it to take much to require a rejet, in fact it may help a bit anyway. If you're hesitant to get into the carburetor, I would advise against drilling the airbox.

Enough holes to make a difference in performance will require a rejet, few enough holes not to require a rejet won't be noticable.

However, if you want to drill it, go ahead, and get one of these-
Colortune Your Motorcycle
so you can see what to do to the carb. Changing jets isn't hard, but it'll take a bit of trial and error to get it dialed in just right.

TommyT 15 Aug 2010 12:05

Thanks Evil. I was going cuckoo looking for an answer to that.

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