gummed up engine

bullit132 Sat Apr 13, 2013 2:21 pm

hi,can anyone tell me the best way to clean a gummed up engine?procedure and solvents that can be used on it,and any tools needed? thanks alan photos would be great Flying

**Cribbs74** Sat Apr 13, 2013 3:39 pm

Alan,

There are numerous ways. And numerous methods. I use denatured alcohol, heat and the correct Cox tools. Again, use the correct Cox tools lol!

Do a search for past forum discussions on the topic. Much good info to be found. Let us know if you need more info than that.

What type of engine do you need to clean?

Ron

**RknRusty** Sat Apr 13, 2013 4:08 pm

When you search the forum, use the Google box instead of the local forum box. It will be a more comprehensive output and all the results will still be from CEF.

In case you didn't know it, you can do an advanced search of any site by itself on Google like that.
Type searchterms site:domain.xxx. For instance to search www.rcgroups.com, you would type:
gummed up engine site:rcgroups.com with no "www" included. All the results are only from that site.

Mark Boesen Sat Apr 13, 2013 10:40 pm

bullit132 wrote:hi,can anyone tell me the best way to clean a gummed up engine?procedure and solvents that can be used on it,and any tools needed? thanks alan photos would be great

if its a babe bee i'd drop in a jar of thinner, Rustys right, this topic has been covered a ton and there several ways that would work.

Jason_WI Sat Apr 13, 2013 10:58 pm

I will use heat to get the engine turning then completely disassemble the engine. This includes removing the crank from the crankcase. I find most have the oil groove in the crankcase completely gummed up.

I will then soak in denatured alcohol for at least 4 hours to soften up the gunk. I then clean with a stiff bristle brush then clean dry with a paper towel. I use q-tips to get in all the tight places. Reassemble with a light coating of 2 stroke engine oil.

Add a new pickup tube and gaskets and your good to go.

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