Originally Posted by
Stuff Of Legend
Do not use the Hobbico after run oil from Tower hobbies, that is a petroleum base after run oil and will interact with the silicone.
Originally Posted by
Grinder
Do not use WD-40, or any petroleum based oils. They will swell, and eventually detach the silicon. Use a good after run oil specifically made for our little engines that says it does not attack the silicon
Some of the after run oils in the hobby shops are still petroleum based.
+1