Quote:
Originally Posted by remixsecret
vespa AJ9x Hey guys, I did the fix for this as well but the squeal or howling is reduced but still exist. What else could be done to fix this completely? Its driving me nuts..
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What I did before the fix was bought a new gas cap, drilled two 1/2" holes in it (make sure not to drill into the cap's seating surface), fed in a pcv elbow I got from the local parts store into the holes and clamped on two tiny air filters on the ends of the elbows. Ghetto, but it kept me going for a while. Other than that, probably looking at trying the repair again or getting a new valve cover.