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Old 09-03-2013, 20:49   #16
Marine Service Provider

Join Date: Oct 2011
Posts: 1,205

Originally Posted by sww914 View Post
Keep in mind that the depth that the valve is in the seat affects the valve gap as well. They seem to change more at that end than at the rocker end. This doesn't explain what you found, but you seem interested in how things work.
I don't much like Harleys.
Yep I was worried about that. This all started because I noticed that both engines were slobbering diesel at idle.

At least much more then they ever have. So I was concerned, it's been 10 years since I rebuilt the Pumps and injectors.

So I mixed up a solution of Stan-dyne 40% to 60% Marvelous Mystery Oil, filled a pump atomizer with the same, started the engines and pumped about 6oz in to the intake as it ticked over, then I raised the stop lever and cranked the starter over and let another 6oz into the intake.

I let em sit for a couple of days, then started em up and and run em in gear. Now we are talking about smoke out the exhaust for the first couple of minutes. Then I ran em in gear up to 1200 rpm. What this does is clean any carbon deposits from the seats and rings.

Then when I adjust the valves I'm sure they are seated.


Next weekend the injector are coming out, and to the shop they go.

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