RcRenew nitro RC engine After run has been specially formualted to prevetn sludge, deposits and rust. Use a few drops after every run to keep your internals protected. If you live in a humid environment or store your rc envgines in your garage or an area that is not heated and cooled we suggest using after every run.
 
To use apply 5-10 drops down hte carburetor then turn over engine with pull start or starter box a few times (withiout actually starting it) to circulate the oil. Or you can remove rear backplate and apply 6-10 drope directly to rear engien bearing and crankshaft area.