FD620D

   / FD620D
  • Thread Starter
#21  
Have you found the dash warning light? Checked the bulb? I never had the dash light come on until the the switch on the radiator failed. My fan rarely came on. It would come on the most at shutdown. Then it did not run very long.
I did find the light , it was disconnected...go figure , but of the 100 chores I had to do that was all I had time for ,I’ll get back to it today and see if I can get it connected, on a side note .. does anyone know where I can get a brake fluid reservoir? I’ve looked on eBay and googled it but all that comes up is a brand new master cylinder, the brake system needs to be completely flushed , as the previous owner left the cap off ...
 
   / FD620D #22  
Do you need the reservoir or a cap? Kawasaki did not sell just the reservoir separate. I would look for a complete master cylinder. Used to try,(as replacement) or pull the reservoir from it for yours. Or new to be sure, since we are working on brakes.
Kawasaki list price is $284. I am sure you can do better on eBay.
 
   / FD620D
  • Thread Starter
#23  
I’ll probably just buy a whole New one
 
   / FD620D
  • Thread Starter
#24  
Got the new master cylinder, and found the return spring broken ... anyone know where I can find the master cylinder cover for the 2510 ... currently searching eBay
 
   / FD620D #25  
Any Kawasaki dealer can order it, P/N 43026-1067 $23
OR did you mean the body part? P/N 14024-1788-6L (red) $58
2510bodyparts.JPG

2510mscap.JPG
 
   / FD620D
  • Thread Starter
#26  
Yes the plastic cover that goes on the front ... thanks a ton
 
   / FD620D
  • Thread Starter
#27  
thanks for all your help so far ... I had bought a new master cylinder and that was all I needed to finish up the project, until it started having a hard time starting , checked the plugs, one was dirty (sooty) checked the oil, and found it to be a beautiful creme color. I looked down in the cylinder and saw fluid on the top of the piston. Thinking that I had a blown head gasket,I pulled the head but the gasket looks intact . I do have one bent push rod as well . Is there a plug on the engine to drain the coolant?
 
   / FD620D #28  
IIRC There is a drain plug on the water pump. If not, there are two hoses to the water pump you could pull. Red circle is where drain plug should be.
2510waterpump.JPG
 
   / FD620D
  • Thread Starter
#29  
I found two 12 mm bolts , one on each side of the metal pipe incoming and out going from the radiator to the engine and back , on the bottom side of the me , towards the front of the Mule those drain the lines only it seems ,and maybe the radiator. But I did find two other 14mm bolts just below the dipstick mounting bolt , one on each side of the block ( one for each cylinder) that drained the coolant from the block . I have a new head gasket and push rods , can coolant get into any other part of the engine oil somehow? The gasket looked good , and I can’t seem to find any cracks , or signs of any gasket failure.
 
   / FD620D
  • Thread Starter
#31  
I guess I’ll have to remove the engine again to see what’s going on . Thanks again
 
   / FD620D #32  
Well, I could not get my engine running right, so I had to pull it.

You can see the governor in this photo. Turns out, the person who tried and failed to get this engine running did a few things wrong. He installed the steel cam gear kit, but somehow managed to install an oil pump RV spring that was too short. No oil pressure. It looks like there is an oil pressure kill switch, which did not allow any spark.

I seem to have the FD620D-GS11 engine, which also seems to have a 2-piece governor lever with left hand threaded bolt holding it together.
 

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   / FD620D #33  
The correct spring is P/N M138429 $0.90
Later models had the two pc lever I could not tell the bolt was left hand from JD parts
6x4govlever.JPG
 
   / FD620D
  • Thread Starter
#34  
Please pardon my ignorance , but will replacing the water pump with a new one remedy the proposed seal leaking , “IF “ that is the reason why the oil looks like whole milk
 
   / FD620D #35  
The water pump internal seal could be the cause of the leak, and a new pump includes a new seal, of course. My seal looked OK, so I did not replace it. My oil had a bit of water in it, as well. I do not know how much of a leak is tolerable.
 
   / FD620D #36  
No leak is tolerable. Are you losing coolant?
It could be condensation, not a leak. Especially if it is not run long enough to "burn" the condensation off/out. Then water will build up over time.
 
   / FD620D
  • Thread Starter
#37  
It’s been through a recent oil change , and new head gasket , after a few minutes of driving the oil is completely white , but I haven’t looked to see if I’m getting oil in the radiator or a loss of coolant , it was shut down only after after the light came on and the fan kicked on ... that’s what prompted the oil check , it was “running “ fine , and sounded good .
I wasn’t the one driving at the the time and don’t know of it had any air in the system
 
   / FD620D #38  
It’s been through a recent oil change , and new head gasket , after a few minutes of driving the oil is completely white , but I haven’t looked to see if I’m getting oil in the radiator or a loss of coolant , it was shut down only after after the light came on and the fan kicked on ... that’s what prompted the oil check , it was “running “ fine , and sounded good .
I wasn’t the one driving at the the time and don’t know of it had any air in the system
It sounds like coolant is getting into the oil.
I would think if it's the head gasket, you would be losing coolant, but it would be forced out the exhaust.
I am thinking water pump seal or gasket.
 
   / FD620D
  • Thread Starter
#39  
Yes , that’s what I’m thinking as well , it’s kinda far down on the list of things to get done , but I’ll at least drain the fluids And get it ready to pull out, thanks again for the responses , it’s is greatly appreciated
 
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   / FD620D
  • Thread Starter
#40  
****** Problem solved******
the new water pump fixed the leak . The new pump was installed and ran for a little bit , drained the oil , changed the filter and ran again for a about 20 min . And the oil looks good , will be changing the oil and filter again after another test run around the property. So far so good . A big thanks to all of you for your help and advice . It still has a 4wd noise that I need to look into .
 

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