Oil & Fuel YM2500 Pushing Coolant Out the Radiator

   / YM2500 Pushing Coolant Out the Radiator
  • Thread Starter
#141  
***UPDATE 07-24-2025 Thursday***

The head gasket and related parts arrived today. Will be dropping the parts off to my mechanic tomorrow (Friday, 07-25-2025). I don’t like that it’s made in China, but it is what it is.
The new, loaded cylinder head was also made in China.
IMG_6845.jpeg
 
   / YM2500 Pushing Coolant Out the Radiator
  • Thread Starter
#142  
I have a question:

Does anyone know if the Head Gasket for the John Deere 850 is made in Japan, if ordered through John Deere?

As most of us know, the John Deere 850 compact tractor and the Yanmar YM2500 are basically the same tractors. They both share the same Yanmar 3T80 engine.

Thanks,

Travis
 
   / YM2500 Pushing Coolant Out the Radiator #143  
That would be interesting knowing JD. parts could be made in china. Or are!! Does seem to fit though. Esp. this thread ? Was it a tractor imported from there. Sure looking like it. :rolleyes: Still don't know if the head is good? Was it in that bad of shape the had to replace it?
 
   / YM2500 Pushing Coolant Out the Radiator
  • Thread Starter
#144  
***UPDATE 07-25-2025 Friday***

I dropped off the Head Gasket & related parts this morning to my local mechanic.

He said the cylinder head will probably be back from the machine shop today.

Once the tractor is back together, my mechanic is going to let the engine heat up and cool down several times then re-torque the head bolts.

He’s supposed to fix the throttle shaft assembly before he installs the cylinder head.

He showed me the engine block and cylinder sleeves and said he was real pleased with both.

My mechanic said the new cylinder head had “gouges” in it, and that it had to be sent to the machine shop to be milled down and checked out to make sure it was “true.”
 

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