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Posted to alt.home.repair
Oren Oren is offline
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Default Lawn mower repair question.

On 20 Aug 2006 12:09:36 -0700, "
wrote:

a broken connecting rod would be memorable noisey event, short but
exciting.


Nothing like the sound a "knocking rod", spun rod bearing, or broke
valve.

sounds more like a stuck valve, thats occured here


Easily checked at the tappet filter / crank breather (if this model
has one) - remove it and pull the cord...the valves should move and
easily viewed. The easy way; pull the plug wire and plug, determine
which digit goes into the plug hole. Rotated through all four
strokes: intake, compression, power, exhaust - you can feel the intake
pulling the finger, Compression stroke will blow the finger out.


Oren