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Tips on cleaning the motor???

  • Thread starter Thread starter mjremington
  • Start date Start date
M

mjremington

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Ok, the bike is an 82 750T. After a ton of work, sweat, and blood we have it running good. The tank and side covers are going to be painted, the seat (which just started to rip on the inner seams) will be re-covered. The chrome is clean and shines. Some touch up on the tank and small paint here and there and we're good. She'll look like new. But my engine is dirty. But not dirt dirty. It has oxidized on the heads and fins. The lower covers are trashed(they'll be painted a nice durable flat black) but I think I can salvage the tranny cover and get it shiny again. but I'd like the motor to look better. But I am unwilling to remove the motor from the frame. And have no access to a blaster whether bead or walnut and again. I don't want to remove the motor which I believe I'd have to do with a blaster anyway. So if there is any tips, tricks, or products I'd appreciate it. I'm not looking for showroom or show bike look even. Just a nice and clean look. Any thoughts would be greatly appreciated. Thanks
 
walmart purple super cleaner, in the automotive section, comes in a one gallon jug.
 
Why not paint it in the frame? you can use Deep Purple or Simply Green to get most of the oil and grime off and finish up with soda blasting to get the rest off. Use VHF aluminum engine paint to get the closest OEM colour. I've done this a few time with good results, pretty cheap clean up that's for sure.
 
There is no cleanser that will remove corrosion that has occurred under the original engine paint. It's the aluminum equivalent of rust. You can get the engine clean with degreaser and a long-bristled brush, but for that new look there is no substitute for blasting and repainting.
 
Well I guess I'll need to paint it. I'll try the soda blasting after a good cleaning and paint it. Thanks for the tips
 
yes, I want to try this just to make a mess and have some fun!!!
(maybe clean the carbs too...lol)
 
how hard is it to paint the engine in the frame? What do you all use? Anything to be cautious of?
 
kdo58 said:
walmart purple super cleaner, in the automotive section, comes in a one gallon jug.
Click to expand...


If you DO use that purple stuff... Make sure you rinse thoroughly...especially you dudes with black motors... that stuff will leave a residue that will turn white when its heated. And its a royal pain in the rump to get it off once its done that. made that mistake once... I only use simple green and S100 now.

As for the oxides.... If you're referring to the case covers (magneto/stator cover, pulsar/ignition cover, clutch cover....etc etc.) those can be made to look brand spanky new with elbow grease and a couple of handy tools

One if you have an air compressor, that helps greatly. I use a sewn, 3" polishing wheel attached to a die grinder. This way, you dont have to remove the covers from the engine, and screw around with new gaskets if ya dont need em...etc. etc.

To start, you'll want a can of BRUSH ON aircraft stripper. Dont use the spray can stuff, cause it will go places you dont want it to. You can use the brush on and some cheapie paint brushes/stain brushes to brush it on to the covers you want to polish. From the factory, those covers were clear-coated, and that stuff has to come off first, or you'll just spend days trying to polish one cover, and sand your arm off...

spread that stuff on liberally, let it do its magic. Then rinse it well.
After youre satisfied youve gotten all the clear coat off, start with sand paper...800 grit. Sand sand sand. This will get into the oxidized alu, and get rid of a lot of that mottled look. Move up to 1000 grit, then 1200, all the way to 2000 grit.

Once you're done with that, rinse. dry. Bust out the polishing wheel and die grinder, and WHITE jewelers rouge. (lowes, home depot, harbor freight all carry it, comes in a stick, inside of a tube...Ask someone..they'll point you right)

Load up your wheel with the compound, then go to town on the cover of choice. Move slowly, let the heat build up...put some pressure on it...

If you're patient...that stuff will make those covers look like chrome or mirrors...
 
If you're doing the clean and repaint in the frame, an easy way to mask everything around is it to wrap it all with aluminum foil..especially if you're going to use aircraft stripper on the engine. It'll eat the frame paint off in a heartbeat if you get it on it.
 
TheCafeKid said:
If you're patient...that stuff will make those covers look like chrome or mirrors...
Click to expand...
You say you want PROOF? :-k

P6166338.jpg


2.jpg


IMG_7323.jpg


:cool:

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