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That should be the correct setting, though I don't see it on Page 135.

Also check the Gateway Data Selection in your Graph (Primary one) to ensure Water (Block) Pressure is checked.

They're "suitable" oils, but tend to reduce Direct Injector lifespan.

Part# 99802 is the pickup tube.

:thumb up2:

First engine description is really somewhat of a guess. As of this morning, there are at least 117 unique 300-Fourstroke model numbers listed.

Comparing the Standard 300 Fourstroke CMS, and the...

10w30 Synthetic Blend UNLESS you will never operate below 40F (ever).

Lastest of the ProXS Optimax models are covered. The 8M0122801 (older) manual supersedes to this one.

See below:

548214

It could (possibly). Also take a visual inspection of the stator windings for any discolored, burnt or melting bobbins.

I seem to recall that as well... if the engine is supported and the trim functions well enough to get it to move.

That's something we usually keep.

Check also Pages 32-39, especially the Engine Data Selection info.

If all else fails, I would reset the VVL to Factory Defaults, restart and let it detect the engine (again), then follow setup...

^^^^^^ Correct.

^^^^ ONLY correct plug.

Engine tank should be 100% full with no air space present.

See the FAQ Section "Bleeding air from the Engine-Mounted Oil Tank" provided you have at least 1.5" of oil in the engine-mounted tank. ...

4motion- please take a moment to review the Announcements at the top of the Forum, and be sure to provide the Required Info (serial number) when posting. Thanks! :beers:

Just a guess, but did...

Gotcha. See what they find in their inspection. I've seen at least one crack right there at 12pm... but not the fractured/lost material.

You may also want to look at 10w30, depending on what portions of the season you use your engine in. Pretty much if you'll use the engine at temps below 40F it's probably a good candidate for the...

Yes

There is no Mercury Part Number for 3" bolts. They must be sourced elsewhere.

Sure. Strap a fuel pressure gauge to the engine, and have someone monitor it for you (better yet, shoot a video of it) while you run it on the water.

Looking to see if fuel pressure drops right...

Did you go to Page 94 and make sure your system is set up for Water Pressure?
...

I've seen a few that got #2 or #4, but it's much more common to see #6.

With 2 or 4 it's usually more of an "abusive" situation (ie... never even tried to warm it up, or thermostat simply held...

Refer to engine break-in. Mainly the first 2 hours, then operate normally. Good idea to change gear lube somewhere around 20 hrs.

Loosen the manual relief screw and if necessary, apply your weight to the gearcase to assist it in coming down. Avoid backing the manual relief screw out more than approximately 1.5 turns.
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