Diesel Guy's?

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Pede

SXS Nation Expert
Mar 6, 2016
633
338
63
West central Illinois
Side X Side(s)

09 700 Ranger

Got a problem with a Yanmar 3cyl diesel.
Runs like it's starving for air but it's not, doggy and blows black smoke under load, no power and seems to get worse as it warms up. Not the air or fuel filter and unit does not have a turbo, also doesn't seem to be missing as if it dropped a cylinder. Shoot me some ideas.....just for the record it's a JD gator
 

Pede

SXS Nation Expert
Mar 6, 2016
633
338
63
West central Illinois
Side X Side(s)

09 700 Ranger

Yeah that's what I'm thinking hoping it's not the pump governor. Got to check the exhaust next, manual recommendation, maybe mice built a nest in it, after that I'll crack injector lines and go from there. Unit is at work, got 6 of these motors, 3 mowers and 3 gators.....all green.