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Losing oil I have a 86 fz600s when I start it oil blows out of the oil breather.Can you tell me the problem?

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Too much oil in the engine.

Posted on Nov 10, 2008

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On a revtech 110 why is oil blowing out the breather tubes and head?

Hi, Chasity oil leaking from your air cleaner is caused by oil carryover from the engine. For whatever reason, the breather system is not separating enough oil mist and air from the piston downstroke. There are cheap and quick easy fixes and there are more expensive ones. First, make sure your breather hoses are not dry and cracked if they are ok you can start by trying the following:
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2. Run oil breather lines from the head into a TEE fitting below carb/induction module then a single line into a mini filter under the frame.
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4. Replace umbrella valves and realign oil pump.
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For more information about your issue and valuable "FREE" downloads that you will need please click on the links below and for more specific information or questions at no charge please feel free to contact me at Good luck and have a nice day.
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What could cause excessive oil pressure in the oil tank of an 1988 evo, plug blows out of oil tank, when loose plug is left in oil weeps from tank and caskets have started to leak. I have changed the...

Check your crankcase breather hose. On the '88 model, it originally came from way down low behing the oil pump up to the backside of the air filter plate. If the bike was purchased used, the original owner may have rerouted the hose in order to avoid oil getting into the air filter. Find the crankcase breather hose and check to see if it has been plugged by something or has become crimped.

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