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Stihl 044

stihl 044 pull start chainsaw

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#1 Lumberlady OFFLINE  

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Posted August 06, 2015 - 04:05 PM

Bought a Stihl 044 a few days ago and it cut great until I added chain oil and adjusted the. Carb due to low idle. Now the pull start is extremely tight, but will start with great effort. Still cuts fantastic, but is terrible to start. Pulled the exhaust and muffler and all looks great. It will also pull with ease with the plug out, but put the plug back in and same resistance is met to turn over.


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#2 propane1 OFFLINE  

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Posted August 06, 2015 - 08:40 PM

Sounds like it has very good compression, engine work good when running ? Is it running hotter than normal ? Is it hard to start when shut off for a few minutes or after a long time. A few hours or more. Are you running mixed high test , 91 octane, fuel in it. Noel

Edited by propane1, August 06, 2015 - 08:42 PM.

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#3 Lumberlady OFFLINE  

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Posted August 07, 2015 - 09:03 AM

Thanks for your time. The engine works great when running and cuts like a hot knife through butter. Cut 20 inch maple logs without any problem.  Does not run hotter than normal. If shut off it's difficult to restart immediately. Running full premium at a 50/1 ratio. That being said, I am not sure what the previous owner used in it. He claimed to have used the same,  but I cannot guarantee that.


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#4 propane1 OFFLINE  

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Posted August 07, 2015 - 09:51 AM

Maybe out of time a little bit. May have to check the key in the flywheel. If it's moved that could put it out of time. Hope this helps. Noel.
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#5 Lumberlady OFFLINE  

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Posted August 07, 2015 - 09:59 AM

I will check the timing. Thank you for the hint. Will dump fuel so no remaining fuel from previous owner remains. 


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#6 WNYTractorTinkerer ONLINE  

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Posted August 07, 2015 - 10:09 AM

pull the chain bar and the plug off.  First thing to do is examine the plug for an indication of how the thing is running.  

 

Pull the rope and if it is still tight you have a failing bearing / or possibly something wrapped around the crankshaft making it so tight..

 

If the thing looks to be running lean (white-ish plug) you could have an air leak..  The crank seal next to the clutch is the usual culprit.  An air leak a! the carb boot is possible too..  Running lean will lead to running hot and things tighten up or fail once that happens..

 

 

Just a few thoughts..


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#7 Lumberlady OFFLINE  

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Posted August 07, 2015 - 10:18 AM

Thank you for the hint (s). Dumped old fuel and mixed a new batch. The pull seems a little bit easier. The fuel dumped is by far richer in oil than the new batch. About to give her a go, cross your fingers for me! You both have my deepest gratitude for your assistance! 


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#8 Lumberlady OFFLINE  

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Posted August 07, 2015 - 10:29 AM

After fuel dumped, easier to pull, but with new fuel, harder to pull. 10 pulls, and it is harder and will not turn over at all.  Is it possibly flooded now? 



#9 Lumberlady OFFLINE  

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Posted August 07, 2015 - 11:07 AM

Plug will fire in the Homelite, but will not fire on the 044 now. initally, the 044 ran rough at idle, but now there is no spark at all.  I'm baffled now.



#10 WNYTractorTinkerer ONLINE  

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Posted August 07, 2015 - 11:17 AM

As long as the switch is turned on and no spark means the coil is fubar unless the kill wire is grounded out somewhere..  Check that first..


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#11 bh115577 ONLINE  

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Posted August 07, 2015 - 12:16 PM

Here's the manual for the MS440 which I'm told is very similar to the 044.

Attached Files


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#12 propane1 OFFLINE  

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Posted August 07, 2015 - 01:17 PM

May have had old gas in and or no oil mixed with the gas at some point in its life. With no oil mixed in means it maybe sized, piston and rings. Take the muffler off or head of and look at the cylinder walls. If all scored up, that's not good. Noel
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#13 Lumberlady OFFLINE  

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Posted August 07, 2015 - 02:12 PM

May have had old gas in and or no oil mixed with the gas at some point in its life. With no oil mixed in means it maybe sized, piston and rings. Take the muffler off or head of and look at the cylinder walls. If all scored up, that's not good. Noel

Have already taken it apart and all looks great.  The piston is clean and smooth as well, with a thin layer of oil on it. From reading the 044 service manual,  I am leaning towards the flywheel or module as the likely culprit.


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#14 WNYTractorTinkerer ONLINE  

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Posted August 07, 2015 - 04:29 PM

Most always the coil pack.  The flywheel would be a toughie as the magnet would have to leave it..  You would notice that right away..


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#15 propane1 OFFLINE  

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Posted August 07, 2015 - 04:42 PM

Sounds like you will get it going soon. Will like to know what you find. Noel
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