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22 in persoal pace 195 cc Tecumseh oil leaks onto

22 in personal pace 195 cc Tecumseh oil leaks onto deck from valve side of engine - drips off cooling fin closest to crankcase. It is not the fill tube, no oil visible on cyl casing on fill tube side. all bolts snug. Leaks badly over 50 mins - from top of fill mark to below bottom mark. Is not burning - just leaking.

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  • klyork19 Jun 04, 2010

    Sounds like a possibility. Is there a link to a diagram that shows me exactly where this vent is and if there is a part involved? I guess I have to take off the shroud and flywheel to service it? Also, is there some what to visually inspect this without tearing it partly down?



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There is a crankcase vent on top that may be cracked or out of place causing the oil to leak or the upper crankshaft seal may be leaking.

Posted on Jun 04, 2010

  • Mike Squire Jun 04, 2010

    You will be able to tell as soon as you get the rewind cover off, the vent is a tube that runs from the engine to the carburetor.


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I have the same problem. Turns out that the crankcase gasket was seated wrong and kinked (it was a refurb engine). So it was leaking all the oil out the front and into the cooling fins.

Posted on Jul 10, 2014

  • Yumi Tak
    Yumi Tak Aug 27, 2014

    After taking the motor apart, I replaced it with gasket from Kiddie Boutiques on eBay. They have the cheapest prices for the gasket. The system has no leaks. I also checked to see if it was from the carburetor manifold. But in doing so I tore the gasket during removal. I had to replace it with a new one from Kiddie Boutiques. Part number 37609 and 36786. Works great.



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The fact that the engine blew out most of the oil during normal operation is an indication that there is a problem with the crankcase breather. You can usually resolve this by removing the breather from the side of the engine at the base of the valves and cleaning it with engine degreaser and carb cleaner. What I think happened was there was a bit of condensation in your breather and it FROZE in the closed position forcing the crank case to over-pressurize and porting the oil into the breather.

If by chance you over-serviced the engine oil before the last operation it will present the symptom you describe. Also if you tipped the unit more than 30 degrees.

It most likely will not start now from an oil fouled plug.

You can use this manual for locating "How to" repair your engine:

Here is what the service manual says on page 82.


1. Check the oil level, make sure the engine is not overfilled. Also verify that the viscosity rating on the container of

the oil being used is to specification.

2. Check the angle of operation. Avoid prolonged use at a severe angle.

3. Check the engine R.P.M. setting for excessive R.P.M. using a vibratach or other tachometer and compare it to the

R.P.M. settings found on microfiche card # 30 according to the engine model and specification number. Adjust the

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4. Check for leaking or damaged gaskets, seals, or "O"-rings. External leaks may not be evident; however, the leak

may prevent the engine from achieving a partial crankcase vacuum.

5. Check the breather for damage, dirty condition, or improper installation. The oil return hole(s) must face down.

6. Check the engine compression using a compression tester. If the engine has weak compression, determine the

cause of weak compression: worn rings, leaking head gasket, or leaking valves. Follow the compression tester's

I can help more... the engine number you passed did not cross.

Thanks for choosing FixYa,

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