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Just picked up my '75 CL360 and it has some serious rust in the tank.
From what I've seen, it's all interior rust, so I'm hoping treating it will do the trick. When I was talking to my mechanic about how to clean rust out of an engine, he recommended I take a look at a Kreem kit. I picked one the next day because I happened to be at the Honda shop, but since then I've realized there is perhaps, much better options out there(Molasses, who knew?!).
What I would like to know is, what's your experience with cleaning a rusty tank? And I've you've ever used Kreem, how did it go?
Theres a lot of ways to clean a tank. I've cleaned a tank using electrolysis, which I would have recommended. But with a kit you can line the inside with something. I have heard Kreem works pretty good. I recently picking up a POR tank repair kit, which has the 2 cleaners and preps and the liner. But I modified my tank and need to seal it up. POR 15 is great paint and real durable, so I have no doubt that this kit wont work. And you can pick one up at your local NApa store.
I have used both Kreem and POR-15 kits. Both come with chemicals to clean and etch the interior before lining.
Kreem is a thick, kind of rubbery coating that is good if your tank has serious deep corrosion, even pinholes. I prefer the POR-15 kit for most circumstances. VERY tough coating to prevent future corrosion. I rigged up a little vacuum setup to suck out the excess after getting the inside fully coated.
If kreme isn't done properly, I've seen it bubble and fail. Por15 has worked better in the three tanks I've done with it. Key to either is prep. Both come with an acid prep (oxalic or phosphoric), be sure to follow the directions and be double sure it's dry before the final coating.
I think I'm going to try Kreme, mostly because I already bought it, and I can't take it back to the Honda shop. In the future though, I'm going to try POR-15.
I won't be able to get to it until Thrusday or Friday of next week since I'm heading back to school and I can't trailer my bike with my car. Whenever I do it, I'll do a post or two in my build thread if you want to see how it goes.
Haha I know, I know! I had to go pick up my brothers CRF230 at the shop and I figured that while I was already there I would pick up some tank cleaner(and gas line too). It was only after when I was reading about some other's interactions with Kreme that I realized there where alternatives out there.
Ah, oh well. It will work, and I know for next time. I think I may have just heard somewhere that my first bike will be a great learning experience... Imagine that!
I have used both Kreem and POR-15 kits. Both come with chemicals to clean and etch the interior before lining.
Kreem is a thick, kind of rubbery coating that is good if your tank has serious deep corrosion, even pinholes. I prefer the POR-15 kit for most circumstances. VERY tough coating to prevent future corrosion. I rigged up a little vacuum setup to suck out the excess after getting the inside fully coated.
No. You have all the openings like that blocked off, and you would NEVER have the petcock attached to the tank while you do this. The petcock opening is not always the lowest spot in the tank.
I'll post some pictures of how I do it. I have two tanks in the shop to do this with right now.
I used the can the coating came in as a receiver. I generate the vacuum with a device I use for bleeding brakes. I attach a length of vinyl tubing that I stick in the tank to suck out the puddle.
Of course! I'll post it here and in my build thread. It won't be until this coming weekend though. Just got back to school and I couldn't trailer my bike down. Should be getting it on Wednesday, and work will start Thursday night or Friday morning.
AlphaDogChoppers said:
Good judgment comes from experience.
Experience comes from bad judgment.
-Ann Landers
Haha I'm gonna have to print that out and bring it with me when I work on my bike.
Those guides would be a great help. If you could post how long you keep each substance in the tank, I'd really appreciate it. Thanks for doing that.
AlphaDogChoppers said:
I used the can the coating came in as a receiver. I generate the vacuum with a device I use for bleeding brakes. I attach a length of vinyl tubing that I stick in the tank to suck out the puddle.
the POR-15 kit really does work best and i've noticed it flexes a lot better with the older honda tanks rather then the KREEM kit which is long and tedious. When doing the KREEM kit be careful how much of the liner you use other wise you will be standing there turning that tank in circles for hours so that it evenly dries and doesnt all just run to the bottom.
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