I powder coated my frame , I liked the results. One thing to keep in mind you are going to have wear spots. like where your boots rub against the frame, some spots where plastic and rubs etc. and scratches from pulling the seat off and on.
I used a file and lightly worked off the powder coating to make things fit. I didnt mask any holes expect for the swing arm and head, i thread chased them.
where those rubber caps are, i'd but some kind of rust inhibitor in there, a thin coating of grease, maybe. water can trapped in there and rust. i found that out.
is there a way to spot paint that line x stuff?
With mine i use enamel paint, and being white, it blends in really well
The Line X ultra coating is 0.020'' thick so I don't think I will have much troubles putting all back together without shaving... as for the capped holes I am planning on shooting little paint inside. Also for screws and bolts installation I will be using some aviation grease/corrosion inhibitor compound. The coating job itself is repairable as per the company website but I really don't think that booths and pants rubbing will be a cause for failure... can't say the same from rock scratching though but there is bashplates for that isn't it? As for friction from moving parts, I am still waiting for someone to show me a paint or coating that will resist this kind of wear... I will post more pictures later as I build it back up but right now I am waiting on parts to complete several other fixes and I am also spending more time on a 1974 XL350 project.
the swingarm fits pretty tight, i'd be surprised if goes right in.
another thought i had/remembered is that its not really great to tighten stuff down on powder coating, it can chip off etc. places like the foot pegs come to mind first. but if you want to take that chance of a bolt working its way loose... idk. i'd file it down to metal, just to be on the safe side. i have had zero issues with corrosion on those surfaces. and cosmetically you'll never see it.
especially since linex has a texture if im not mistaken.