Checked my oil and looks like its gas in it. - Honda ATV Forum
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post #1 of 5 (permalink) Old 03-28-2010, 05:38 PM Thread Starter
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Checked my oil and looks like its gas in it.

I have a 2008 500 Foreman ES, checked my oil today and looks like i have gas in my oil as well, unfortunately my warranty is gone. Gonna get in contact with Honda and see what they can do.

Anyone else ever have this prob with a new bike?


Last edited by joe harbour; 04-04-2010 at 06:16 AM.
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post #2 of 5 (permalink) Old 03-28-2010, 06:15 PM
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how exactly does it look like it has gas in it?just curious
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post #3 of 5 (permalink) Old 03-28-2010, 06:38 PM Thread Starter
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Looks similar to having water in your oil (milkly looking), but you can really smell the gas.
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post #4 of 5 (permalink) Old 03-29-2010, 08:09 AM
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If I don't run my quad for a while, I have a gas smell to the oil, but it doesn't look milky.
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post #5 of 5 (permalink) Old 03-29-2010, 02:08 PM
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A lot of times, in a carbureted engine, the oil will smell like gas because it probably does get a little gas in it, over time, especially if it's not jetted right or if it floods sometimes. A carbureted engine is not nearly as efficient as a fuel injected engine. Fuel injection is going to be more accurate at delivering the correct amount of fuel to the engine than the carb is. In a carbureted engine, any "extra" fuel the engine receives is going to end up going by the rings down into the crankcase into the oil. That's why it's important to keep the oil changed often, especially if it's "flooding". Fuel injection is more accurate and there won't be as much "extra" fuel to go by the rings.

That being said, I doubt that fuel injected ATVs are hardly as efficient as automobiles, because automobiles have a closed loop system and I believe the ATV fuel injection is an open loop system. In a closed loop system the PCM controls the amount of fuel delivery through the fuel injectors and can vary it depending on the sensor readings, such as the oxygen sensor. By varying the fuel delivery according to the oxygen sensor, the fuel mixture can be kept closer to the "ideal" mixture.

You may remember before automobiles went to fuel injection, when a vehicle got around 100,000 miles on it, it was pretty much done. Since fuel injection came into the scene, now you can get at least 200,000 or more on just about any vehicle that has been taken care of. A fuel injected engine doesn't get all the "extra" fuel in the cylinder to go by the rings and wash the oil off the cylinder walls, causing the walls and rings to not get properly lubricated.

Most 4-wheeler problems are caused by a loose nut connecting the handlebars and the seat!!

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