C capt chris GreatGrady Captain Joined Jul 15, 2007 Messages 457 Reaction score 0 Points 0 Age 70 Location Ohio River Louisville, Ky./Lake Cumberland, Ky Apr 24, 2009 #21 BobP said: Back to the F250 - Yamaha's flagship V6 four stroker. The marinas by me don't sell 87 octane, they only sell 89 or 93. But the trailering guys can always get 87. It must have been the Merc Verados I was thing of, on the hi test comment. Click to expand... My F250 is supposed to run on 89 octane and that's what I use in it along with ring free. Haven't had any problems to this point
BobP said: Back to the F250 - Yamaha's flagship V6 four stroker. The marinas by me don't sell 87 octane, they only sell 89 or 93. But the trailering guys can always get 87. It must have been the Merc Verados I was thing of, on the hi test comment. Click to expand... My F250 is supposed to run on 89 octane and that's what I use in it along with ring free. Haven't had any problems to this point
