Main Motorcycle: Triumph Bonneville T140E
Join Date: May 2019
Location: Buckinghamshire, UK
Have you considered buying an ultrasonic cleaner? I bought one a while back and wished I had done so years before. I put a wide variety of items in it; old car and bike bits, jewelry, tools etc. Using a mixture of distilled water and cleaning solution the results are quite impressive.
Most recently I removed the grimy old Amal Mk2 carbs from my Bonnie project, stripped them to component parts and ran them in the cleaner for 90 minutes max intensity and temperature. I then ran a 30 min process with just distilled water at the same settings, to ensure that all the cleaning fluid was removed. They came out looking pretty much brand new. I did the same to a set of old spark plugs. Again, they came out like new so I gapped them and stashed them under the seat as spares.
Ultrasonic cleaners are invaluable workshop tools and not very expensive but get a quality one with good reviews. I paid about £150 for mine. Unfortunately it is not quite big enough for a cylinder head or I would have offered to clean yours, as you are not far from me.
Alternatively, you could consider: Gunk and pressure wash the head, then use a whole large spray can of carb cleaner to ensure all oils have been removed. Once it is bone dry, spray it with Aluminium Finish engine paint. I have done this on a number of previous restorations and they look great.
I have a sand/media blaster setup too but rarely use it on engine bits. Probably me being over cautious but I worry that I might not get all the media cleaned out. Soda is probably a better bet. Blasting works great on chassis and frames but is a REALLY messy process. It gets bloody everywhere.... 🙂
Last edited by Boggie; 08-21-2019 at 06:38 PM.
Reason: Correct autocorrect