What fuel for 225 3l EFI merc [Archive] - Scream And Fly Powerboat and High Performance Powerboating Discussion Forums

GTRMick

05-15-2008, 12:33 AM

Is regular unleaded adequate? Or should I use premium?

UBETRUN

05-15-2008, 12:24 PM

Regular unleaded is fine, the motor doesn't have enough compression to need more than 87 octane.