08-28-2020, 11:58 AM | #1 |
Not Yet Wild
Join Date: Aug 2020
Posts: 2
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295CC Gas in Oil
My cart is getting gas in the oil. The engine starts and runs, it is weak like going up hills. I have put a new carb, fuel pump and filter. I keep the oil changed. I've adjusted the valves. It does not smoke but i can smell a raw gas smell when i run it. Should i do a full rebuild? Thought about buying a re-manufactured engine also. Thanks for any advice
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08-28-2020, 01:22 PM | #2 |
Test before replacing
Join Date: Aug 2013
Location: Ohio side of the Pennsylvania border.
Posts: 3,489
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Re: 295CC Gas in Oil
There are only two ways for fuel to enter the engine. Through the fuel pump pulse line, and through the carburetor.
A ripped diaphragm in the pump would allow fuel into the crankcase. A float valve in the carburetor not closing would allow fuel to flood the cylinder, and leak down into the crankcase. If neither one of those problems is happening, I would suspect worn out rings allowing fuel to drip down the cylinder walls into the crankcase. Since you already adjusted the valves, do a compression test, and leak down test. |
08-28-2020, 03:24 PM | #3 |
Gone Wild
Join Date: Mar 2019
Posts: 156
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Re: 295CC Gas in Oil
You said new carb. If it is the cheap Chinese version, I highly suspect that is the problem. These carbs are notoriously rich and leaky. Was it doing this before you you replaced the carb and fuel pump?
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08-28-2020, 03:34 PM | #4 |
Not Yet Wild
Join Date: Aug 2020
Posts: 2
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Re: 295CC Gas in Oil
Yes it was doing it before i replaced the carb and other parts. The new one did come off Amazon so i'm sure it's a china version. I will do a pressure test this evening. Where is the best place to get parts from?
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