would someone be able to tell me what make this engine is. it is on a 44ft peterson 1977. thank you
what make engine?
- Thread starter khodgesj90
- Start date
4 cylinder Yanmar is my guess, but not sure of the model.
I don’t see a turbo.
Any idea if it is original or has it been repowered?
There should be a badge plate on the engine.
something like this..
Greg
I don’t see a turbo.
Any idea if it is original or has it been repowered?
There should be a badge plate on the engine.
something like this..
Greg
I don’t see a 4 cylinder engine available in the 70’s
Here is a nice list of Yanmar engine history…
I think it must have been repowered at some point…
Greg
Here is a nice list of Yanmar engine history…
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I think it must have been repowered at some point…
Greg
The gray paint job, the air cleaner, and the attachment for the throttle cable look like a Yanmar.
Thanks you guys. Yes after doing some research it looks to be a yanmar 4jh2e. Its been sitting on the hard for 3 years. The motor ran before it sat. Just trying to look around at what needs to be done to get it running
Check the oil and change the fuel filters. Also check the impeller, they can develop a set in the vanes when left for long periods of time. I have a 3JH2e which is the 3 cylinder version of the JH series. It looks like there is an engine driven compressor, make sure the compressor hasn't seized. I might take the belt off of it the first time the engine is started.
Awesome, thank you. Yeah ive read these diesel's can sometimes fire right up after sitting. Are you saying to take the belt off the engine?
Belt off the engine driven refrig compressor in the bottom right of your picture..
And while you are there check the other belt for wear and glazing.
Perfect for picking up those pesky metal shavings.
One design flaw in this engine is the crankcase ventilation. The hose attaches to the air filter and in theory the oil is sucked into the engine and burned. In reality, it just doesn't suck quite enough so some oil mist come out of the air filter and lubricates the engine room. The engineers almost got it right, it is just an invisible mist that lightly coats everything leaving you to wonder where the oil leak is.
That's a shame - I have one of these in the crankcase vent hose to the filter, I get about a tablespoon every 50 hours in it. maybe it would help: JEGS 52205: Air Oil & Water Separator [4 1/2 in. Height x 1 3/4 in. Diameter] - JEGS
My marine mechanic said it works best when you throw some nuts and bolts and saltwater in the mix
Previously posted:
One design flaw in this engine is the crankcase ventilation. The hose attaches to the air filter and in theory the oil is sucked into the engine and burned. In reality, it just doesn't suck quite enough so some oil mist come out of the air filter and lubricates the engine room. The engineers almost got it right, it is just an invisible mist that lightly coats everything leaving you to wonder where the oil leak is.
I've been contemplating installing a K&N filter on my air intake manifold, but customizing the top plate using a 3/8 threaded x 3/8 barbed elbow to attach the breather hose to the filter for direct flow.
One design flaw in this engine is the crankcase ventilation. The hose attaches to the air filter and in theory the oil is sucked into the engine and burned. In reality, it just doesn't suck quite enough so some oil mist come out of the air filter and lubricates the engine room. The engineers almost got it right, it is just an invisible mist that lightly coats everything leaving you to wonder where the oil leak is.
I've been contemplating installing a K&N filter on my air intake manifold, but customizing the top plate using a 3/8 threaded x 3/8 barbed elbow to attach the breather hose to the filter for direct flow.