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#1
09-08-2023, 09:31 AM
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Gripe about vent and breather gasket material
So when I got it my 1450 (K241) had small but regular leak of oil going down the side of the engine coming from the vent and breather cover. When I cleaned and rebuild the carb I took the time to remove the vent cover and figured that the thin paper gaskets where totally inadequate for providing a good seal against the oil that pools in the valve box so I traced them on cork gasket and assembled everything and Its been running great ever since and not a seep of oil coming out of the cover.
Well a couple months ago I bought a 70 (K161) and It has the same issue, maybe about half the oil loss as the other engine. So I'm getting down to completely stripping the carb and I did the same thing on the other engine, I took off the covers and gaskets while the carb is removed and these die cut gaskets that look like a rather recent replacement just weren't cutting it so I traced another pair of cork gaskets out and replaced everything and It looks like a totally positive seal. Why did Kohler use such an inflexible gasket material on the breather covers that was so prone to dribbling oil down the side of the engine? Has anyone else resorted to this to properly seal the vent cover up or are you all just blessed with perfectly flat and unwarped vent covers?
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1450- 44A deck,QA-36 snowthrower, 42in front blade 70- 38in deck 
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#2
09-08-2023, 11:48 AM
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I am not blessed with vent covers that don't leak. I have ran
into the same issues you describe. I resolved by using the bought gaskets,however. I put a paper thin layer of gasket sealer, Permatex or similar on every contact surface for the gaskets. Bit of a pain but at least they don't leak. Ken
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