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#1
12-04-2025, 07:14 PM
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Locating oil leak / SLTX - 1050
SLTX-1050
Kohler Courage 25 engine / Model SV730 Built 2011 I'm trying to make sense of what I'm seeing. I noticed I kept having to fill the oil more often than usual. Looked around the engine, noticed the valve cover which has the breather line that connects to the fuel pump had a lot of oily/black/sticky dusty residue on it (most of it was wiped off when I took the pictures). YouTube people say the seal for the valve cover needs to be replaced, but looking at it, the seals look great/dry and I see no oil/leak/ around either valve cover seal. The oily residue seems to be coming from the top somewhere around the valve cover and around the fuel pump. There seems to be some oily residue inside the air filter compartment when the filter is removed. I disconnected the breather tube from the fuel pump to test and it is 'puff puff puffing' air nicely, but there was a very small amount of oil on a q-tip swab in the oil pulse line when I swabbed the inside(may be normal?). Both spark plugs, when removed, show a dry caked on black substance. It is not oily/wet at all and can be easily removed with a toothbrush. I really don't want to remove the valve covers if not necessary seeing the seals truly appear intact with no leaks anywhere and the oil seems to be accumulating above the valve cover and near the fuel pump. Someone told me the Breather Housing Kit KH-32-081-02S may need to be replaced, but I cant even find it with the engine cover off and am not sure if that would be correct. Any thoughts would be appreciated as to where the oil could be coming from when I'm noticing it mostly collecting on top of the valve cover and under/around the fuel pump. Thank you.
__________________
You only need two things in life: duct tape and WD-40. If it's loose and supposed to be stuck, use duct tape. If it's stuck and needs to be loose, use WD-40. 
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| 1050, breather, fuel pump, oil leak, valve cover-fuel pump |
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