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Petrol chainsaw wouldn't start, and with trying to get it running the pull cord is very very stiff to pull out and it is now just jurking small sections of the cord out at a time and still will not start

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Sounds like it may have hydraulic lock--the upper cylinder is full of fuel. Remove the spark plug and pull the engine through a number of times. Make sure the ignition switch is off--it might ignite the expelled fuel. You may find that the crankcase is also full of fuel--continue to pull the starter until there is no raw fuel expelled. Now, why didn't it fire! Probable bad ignition system--check for firing of a clean spark plug (ignition on). If ok, try the original plug, it may need to be cleaned or replaced.

Posted on Jul 04, 2009

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I bought a new chainsaw and it wouldnt start because of the above problem. I took out the spark plug and wiped away the fuel around its thread and tip. With the switch in the off position I pulled it through with my thumb mostly over the spark plug housing. I wiped away the excess fuel from my thumb and continued as above until my thumb was dry. Placed the spark plug back and it started first time!

Posted on Sep 16, 2009


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