Quote:
Originally Posted by guitarboy911
an air filter is an air filter....it should fit. is it a kit or just the foam.
- if you open it and its the wrong thing then make it fix.
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Not always true. Air filters are made with corresponding sizes to the engine that they'll be put on. .12 and .15 size engines have same/similar sized carbs, so they usually fit fine, .18 is a bit bigger, but will still fit snuggly.
.21, .26, .28, .32, and larger usually fall in their own sizing category.