Craftsman chainsaw wont start

Ohioboy15July 18, 2013

I have a 2 stroke craftsman chainsaw model 358350230 i bought used and it worked good for a few days then the gas line got cracked so we replaced that along with the air filter and it was ok for another 2-3 hours of run time but died after it ran out of gas and i cant get it back started again(always ran real hot too), spark plug is fine i even bought a rebuild kit for the carb and still nothing, tried starting fluid as well with no help(doesn't even attempt to fire) but after getting the carb back in today and trying to start it i noticed what looked like oil(or maybe gas?) dripping from the muffler and smoking. Ive looked in the cylinder already and its nice and shiny like it should be no scratches or anything. I have pretty good skills with this stuff but im stumped...anyone can help?

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klem1

In this kind of weather I've found cussing and crying realy helps while pulling on a start rope. Ha Ha Ha
No seriously,I was only offering empathy. Nothing sucks more than a stuborn rope start and 2 cycles are tough to troubleshoot. I would make certain the spark is strong and consistant. If not, disconnect the kill wire as close to coil as possiable in order to eleminate cracked or abraded insulation, From there it's time to open up the ignition. If the spark looks good , that leaves fuel/air because there is no way to lose crank and valve timing and ignition would have to be loose to be off time and that can hardly happen without shorting out and killing spark altogeather. Starting fluid should at least make it snort pretty good so tell us why you think it has been running hot. You are useing 2 stroke oil and clean gas at correct ratio,,,,,right? Double check your math and/or owner's manual. Reed valves oten break so don't overlook that possiability.

    Bookmark   July 18, 2013 at 9:07PM
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HandyMac

Sounds like there is no spark---the coil/electronic ignition is bad.

    Bookmark   July 19, 2013 at 12:05AM
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HandyMac

Sounds like there is no spark---the coil/electronic ignition is bad.

    Bookmark   July 19, 2013 at 12:06AM
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Ohioboy15

Well spark was a nice blue which means its good(if i remember right) and gas/oil mix is correct, on the saw itself it says 1/2 pint of oil per gallon of gas, 1/2 pint is 8oz so the ratio is 16:1 gas is brand new too. Im going out tomorrow and getting a new spark plug just incase and will report back

    Bookmark   July 19, 2013 at 7:20PM
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HandyMac

Ok, if the new spark plug does not work, try looking at the key that mates the flywheel to the crankshaft---that sets the initial timing and can be off if bent or swedged.

    Bookmark   July 20, 2013 at 3:32AM
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southerncanuck

When you ran it out of gas gunk may have entered the carb.

This Ethanol in fuel today is killing older 2 strokes regularly. The small engine repair shop down the road is doing a booming business like never before.

    Bookmark   July 20, 2013 at 9:30AM
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Ohioboy15

Will be checking flywheel today, i know there isnt anything wrong with the carb because i rebuilt the whole thing

    Bookmark   July 20, 2013 at 1:49PM
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SnidelyWhiplash

"i know there isnt anything wrong with the carb because i rebuilt the whole thing"

Famous last words that I haven't heard since the old days, before when electronic injection became so widespread in cars.

    Bookmark   July 20, 2013 at 9:33PM
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Ohioboy15

Ok well went ahead got a new spark plug and started tear down, not sure if this is how the piston and cylinder is suppose to look like or not. Checking flywheel after this post...

http://i289.photobucket.com/albums/ll201/1austin112/cylinder1_zps01f76188.jpg
http://i289.photobucket.com/albums/ll201/1austin112/cylinder2_zpsc892a1ef.jpg
http://i289.photobucket.com/albums/ll201/1austin112/piston1_zps4fa89188.jpg
http://i289.photobucket.com/albums/ll201/1austin112/piston2_zps8efa7602.jpg

    Bookmark   July 22, 2013 at 4:04PM
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HandyMac

Looking at that piston---the saw is junk. Not worth fixing as the jug/piston will cost more than a new saw.

And I am surprised the piston did not seize in the bore---that is really damaged.

    Bookmark   July 22, 2013 at 7:24PM
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Ohioboy15

Yep thought so, guess my journey is done

    Bookmark   July 23, 2013 at 11:42AM
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