Forgot oil in premix

curtiscapk

Seaman Apprentice
Joined
Oct 28, 2008
Messages
38
So we went down to lake on Saturday and right when we get there the neighbor asks me what happens if someone forgets to put oil in his premix. He said he had 7 gallans already in tank with mix. Filled up with 20 more, and kids screamin and long line behind him so he caps up. Then drives to boat launch and runs off and on for 4 hours. Said he didn't notice any difference except for it being hard to start once, but started 3rd turn and ran for an hour after that WOT. He drops berths off at dock and gets back in line. then all of a sudden he remembers and adds half gallon to whats left of 10 - 15 gallons. Putts around while waiting for his turn to load and still running fine. He was to scared to muff it on Sunday before we left for our lake trip (pics to follow in pic forum) What do you guys think did he smoke it? by the way new avatar is our new setup
 

Jeep Man

Commander
Joined
Oct 17, 2008
Messages
2,803
Re: Forgot oil in premix

I'm no marine mechanic, but it seems your friend dodged a bullet. If the motor didn't seize, he MAY have gotten away with the mistake. Adding oil before it cooled down was good. Half a gallon for 10 gallons of gas is pretty heavy. I'm assuming it's normally 50:1 ratio. He may finds it will smoke a bit at 20:1. If so and the motor is running OK, add more fuel with a light mix.
 

bman1bpm

Chief Petty Officer
Joined
Jul 19, 2004
Messages
450
Re: Forgot oil in premix

if its still runnin he didn't smoke it haha. mighta taken a little life out of it but sounds like he caught it early enough.
 
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