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09-26-2011, 05:32 PM #1
5000 RPM
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115 yamaha oil drips from carb 4s
4cyl 4s yamaha drips oil from carb at idle?
Does this engine have a pvc like device?
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10-05-2011, 09:03 PM #2
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It has a crankcase breather that hooks to the air box, alot of oil from the breather hose on a 4stk is generaly a bad sign,it means lots of blow by the piston rings
Last edited by elite service; 10-05-2011 at 09:06 PM.
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10-05-2011, 11:42 PM #3
7000 RPM
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Check the oil level. It is common to see the oil level WAY TOO high....and that can cause some running issues. "Making Oil" is often caused by running too cold....a stuck open thermostat...or wrong temp thermostat. Whenever changing oil be careful to fill such that the oil level ends up at Mid-Stick...no more.
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