Question about Harley Davidson FXST Softail Standard Motorcycles
At start up I had gasy oil coming from crake case vent then it stoped and the motor started. it sounds good and runs good. then while running I pulled the oil tank cap and had pressure blowing out and have gas in oil so I stoped the motor
Sounds like either the carburator float is stuck, or there is a piece of dirt between the carb needle and seat, or the rubber on the bottom of the needle is cracked. The bottom of the carb (float bowl) must be removed to check the float level. Instructions for doing this are in the service manual. With a carb this old, a carb rebuild wouldn't hurt. The kit for this isn't very expensive and if you are mechanically inclined, can be done at ome. Good luck!
Posted on Jan 23, 2013
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Posted on Jan 02, 2017
SOURCE: High Idle On Start-up.
Most fuel injected motorcycles do start up in a "fast idle" mode. Although I don't know much about fuel injection on Harleys (H-D will not tell you much about it unles you are one of their technicians), I don't think the system is equipped with an engine temp sensor. Since the crank case sensor get it's pulses from pockets cut into the outer edge of the left side flywheel half, the sensor will have oil on it.
Posted on Sep 24, 2009
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