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Chip Stein
 
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Default Lawn Mower Idle Oscillates

Stephen Kurzban wrote in message ...
Yup, could definitely be a spring. I read a little book on
repairing small engines from the library recently, and it
also suggested it could be any spring or linkage which
connects the governor system with the throttle.

You may have to remove the engine cover to fix this one, but
the good news is that if it's packed with grass or other
debris, cleaning it may resolve the issue for you (anything
that binds or blocks the spring(s) or linkages from proper
operation).



a spring won't fix it. you have junk in the carb. the idle feed
passage is clogged causing it to try and run off the main fuel
circuit. pull the bowl and clean thoroughly. up in the center of the
carb tube is a asmall passage running at a 45 degree angle towards the
top. this is where the restriction is.
good luck
Chip