Joined: Jan 2008
Posts: 23,645
Likes: 1,109
From: Mans of NC & SW UT Desert
Bikes: 86 Katakura Silk, 87 Prologue X2, 88 Cimarron LE, 1975 Sekai 4000 Professional, 73 Paramount, plus more
Next time you touch up, use a rust converter product first as a primer. That will eliminate most of the problem. Even when you think you have removed all of the rust, there is usually plenty of microscopic rust left.