Originally Posted by RandoCommando
I used 1 tablespoon per gallon of water.
I used 23 gallons of water in the plastic tub to submerge the tank as best as possible.
Getting air out of the tank while it's upside down in the tub was a PITA, but I think I got it all out.
This tank will be stored as a back up tank in case I damage mine.
Either that, or I'll sell it.
I'm wondering if the screw holes will need to be re-tapped after this is done.
Having spent many years taking on old bike projects, dealing with a rusty tank is pretty much the norm. I've used your method many times but about 10yrs ago I used a kit from POR15. Its their motorcycle tank repair kit. And unlike Kreem their product has lasted for many years after treatment. Key with any product like this is to follow the instructions EXACTLY. If it says roll the tank for 20 min it doesn't mean to take a 5 min break during...roll for 20 min.
You're tank in my opinion is in great shape. Personally, I'd still pick up the POR15 product. As for threads...yes, run a tap through it. For drying I tape a hair dryer to the inlet. The KLR tank has some deep recesses that take a while to dry out. Good luck!