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Old 02-08-2013, 02:50 AM
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Fuel in oil???

I recently replaced the injectors in my buddies 02 with a reputable dealers 160cc injectors and he has fuel in the oil. He had it checked out by a mechanic and all the o rings are good. Is it possible that 1 or both heads are bad/cracked and are letting the fuel get into the oil? I did notice before we started working on it that the oil level was a little high and it just ran like crap. How do I go about doing a compression test to see which head is bad? Remove the glow plug and screw in the compression tool on each cylinder?
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Old 02-08-2013, 02:57 AM
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Fuel in oil???

Head problems are very unlikely. It's probably the injector cups or o rings. I don't know of any way to "check" the o rings. I'd pull them and do cups and new o rings if it were mine.

My .02.


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Old 02-08-2013, 03:47 AM
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if you have an inspection camera, clean all the cups out and take a look.

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Search results for: 'camera'
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Old 02-08-2013, 04:46 AM
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the cups seal from coolant though, not oil. if the problem weren't occurring before the injectors were replaced, i'd say it's likely the problem is the injector(s) themselves. could be leaking internally.
how about the fuel bowl? have you pulled the filter and checked to see if the fuel is getting cross contamination? you would be smoking blue like crazy if you were.
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Old 02-08-2013, 05:00 AM
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Quote:
Originally Posted by kaya@bernhausen View Post
the cups seal from coolant though, not oil. if the problem weren't occurring before the injectors were replaced, i'd say it's likely the problem is the injector(s) themselves. could be leaking internally.
how about the fuel bowl? have you pulled the filter and checked to see if the fuel is getting cross contamination? you would be smoking blue like crazy if you were.
@ WOT it's smokes blue like crazy. I forgot about that......
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