you may want to look into Metal Rescue also could be some good stuff. Never know till you try it.
It claims to be safe and only destroy the rust, does not hurt paint or chrome.
http://www.youtube.com/watch?v=Hb7jyf7A4WE
steve
the weathered engine teardown
@nc_rider - the rims are marked Takasago - I think they're pretty common on eBay these days. The guy I got this from had bought a bunch of stuff on eBay - rims, pistons, ignition points - kinda haphazard, but I'm sure they'll come in handy.
I'll post pictures of the head later tonight, still waiting on my guides from Mr. Honda. Pulled the plate off the cams so got some photos of them. I did have to cut the cam chain with a roto-zip, wasn't too bad, but I was trying to be careful to not damage the sprocket - I ended up cutting through the top half of one of the pins, letting me disconnect the chain. I poured Evapo-Rust in the cylinders, cleaned it up a little, but still won't budge. I would've liked to soak the whole engine but that stuff's expensive! Maybe I'll get a couple gallons of Acetone + ATF + Kerosene + Mineral Spirits and find a big metal tub...
Might want to try and soak the whole thing in milkstone remover. It's available at tractor supply co, as well as a number of other places. Basically, it's phosphoric acid. Works really well at removing rust and gunk buildup. I think a gallon goes for about $10 or so. Now that looks like fun- anyone can shine up a restored bike, takes a special guy to barrel into something like this. In my opinion, the acetone/atf combo is not just some urban myth- it works great, but leaves an awful mess behind- not that you seem to shy away from a mess. Wish I had the discipline to take before/after pictures. I've found few things to be as satisfying as reviving a neglected bike. Good luck.
Rick
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