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Old 28-05-2016, 09:11   #16
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Re: Smoke out exhaust dissapears when in gear?

If the engine starts easy the rings and valves are good. By the description, I would say a governor spring is off, someone played with the injection limitor a tad, injection timing might be off or injectors might need a rebuild, giving a rich mixture unloaded but fine, well close enough under load.

If it were my engine, I'd keep running it. An engine teardown would not be required.

Do check the discharge elbow, but my guess is that's fine.

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Old 28-05-2016, 09:45   #17
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Re: Smoke out exhaust dissapears when in gear?

Universals don't have "mixing elbows" usually, unlike Yanmars. In most cases there are what are called exhaust risers, which are simply sections of pipes and elbows bolted to the end of the manifold with a flange. The gases go through the pipe to the muffler and a nipple is on the pipe near the muffler to inject the water from the HX.

Universal did/does make a mixing elbow, but I haven't seen a lot of them, although one or two particular Catalina models, for example, used them because of space restraints.

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exhaust, gear

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