Carb Sealant

If your nitro engine has an air leak around the neck of the carburetor,
or the needle valve assembly, it can make the engine run erratically
and change from lean to rich conditions. To avoid this problem it is
always a good idea to seal up the carburetor around the neck and needle
valve assembly, and this sealant is excellent for that purpose. You can
also use it to seal the back plate of your engine to avoid air leaks
around the back of the engine as well.

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