Run engine after fogging?

ziekman@cox.net

Active Member
Jun 23, 2009
1,242
Old Saybrook, CT
Boat Info
2012 45 Yacht
Engines
D6 Volvo Penta IPS
My Merc 9 hp 4 stroke manual says fog, then change oil. The instructions for oil change say run engine as last step, to ensure no leaks. Does running the engine after fogging remove the benefits of fogging?
 
My Merc 9 hp 4 stroke manual says fog, then change oil. The instructions for oil change say run engine as last step, to ensure no leaks. Does running the engine after fogging remove the benefits of fogging?

Yes. Do the oil change first then fog.
 

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