Author Topic: MS 250 Very hard to pull wont start!!  (Read 4799 times)

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Offline GCC

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Re: MS 250 Very hard to pull wont start!!
« Reply #50 on: January 19, 2014, 04:21:02 am »
   From my experience I can tell that Stihl MS 230/250 are very good and reliable chainsaws, designed for domestic use but often used as a professional tool. As you described the symptoms, it can be a bearing problem and if it is you can consider it a bad lock. I have never seen such a problem on a so young 250. The bearings are good quality onces, and this kind of problems appear only on very used chainsaws. However if that is the problem it worths to fix it. This also could be caused by the incorrect  tensioning of the chain, too much tension pulls the crankshaft ahead a very little bit, but at 9,000-10,000 rpm  it counts. Try to remove the clutch to see if the problem is not there. Watch out: the clutch has revers threat so you loosen it as you would tighten a normal screw and you have to block the piston first. Anyway I am sure it worth to fix it.
Per aspera ad astram.

 

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