Author Topic: MS 250 Very hard to pull wont start!!  (Read 2975 times)

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Offline mastercraftka

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Re: MS 250 Very hard to pull wont start!!
« Reply #40 on: January 13, 2014, 02:58:36 pm »
You should ask the dealer to contact Stihl about it. I had a bg86 leaf blower that died on me last year running WOT. I tried to get it going for some time with no luck. I finally took it in to the shop who found out the crank bearings had gone on one side. I would have never thought to even look at the internals of the engine, it had maybe 15 hrs on it and was a little less than 2 years old. The shop diagnosed the issue free of charge, btw, but did take them a while to get to it.  After some time going back and forth with Stihl I ended up getting $200 credit on a machine that cosr I think $240 new. I realize that this doesn't help you get it replaced right now, but if you are thinking you will keep this one and buy another maybe it would be worth pressing Stihl to fix it, especially since the warranty just ran out.  BTW, Stihl had been giving 2 year residential use warranties in recent years if you bought a 6 pack of HP ultra. Any chance you got that deal when you bought it?

No I wish! I did email stihl and they are supposed to get back with me haven't heard anything yet. 

Offline KilliansRedLeo

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Re: MS 250 Very hard to pull wont start!!
« Reply #41 on: January 13, 2014, 06:04:05 pm »
660MAGNUM is not steering you wrong, get the saw back, get the IPL and service manual and check it out yourself! Not saying that your dealer friend is blowing smoke up your azz but it is always good to check it out for yourself. In your original post you said:
Quote
I took the starter off and it is free nothing binding. I can turn the flywheel by hand easily as well. I took the muffler off to inspect and do not see anything glaring.

I'm having a hard time understanding how it now turns hard, when you removed the plug and the starter and the engine turned freely! Something does not compute here.
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Offline mastercraftka

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Re: MS 250 Very hard to pull wont start!!
« Reply #42 on: January 13, 2014, 06:06:49 pm »
turns but not what I would say freely, it turns gets really hard and then will turn and get really hard.  When it does turn it does not feel smooth.

Offline 660magnum

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Re: MS 250 Very hard to pull wont start!!
« Reply #43 on: January 13, 2014, 06:31:15 pm »
turns but not what I would say freely, it turns gets really hard and then will turn and get really hard.  When it does turn it does not feel smooth.


I'm only guessing as I'm not there doing the turning but . . .

This sounds like the crankshaft is twisted at the crank pin?

Something caused the saw to come to a very sudden stop?
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Offline 660magnum

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Re: MS 250 Very hard to pull wont start!!
« Reply #44 on: January 13, 2014, 06:34:20 pm »
Anything goes on this kind of stuff with long distance diagnosis.

You best take the muffler off and see what the piston looks like and report back to us before you go any farther? The piston could just be galled?
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Offline H 2 H

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Re: MS 250 Very hard to pull wont start!!
« Reply #45 on: January 13, 2014, 07:17:12 pm »
If worst comes to worst you can pick up a new motor on freebay or under $75

Here is one I picked up I also bought new piston; bearings and seals

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Offline jmester

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Re: MS 250 Very hard to pull wont start!!
« Reply #46 on: January 13, 2014, 08:11:03 pm »
I would be interested to know why the flywheel key is sheared on a saw that is only a little over a year old, I am leaning toward what 660 is saying on a sudden stop. That would explain the hard to pull by the cord issue. I would also lean towards a galled piston. 210 and 250 are known to me to have air leak issues.
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Offline jmester

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Re: MS 250 Very hard to pull wont start!!
« Reply #47 on: January 13, 2014, 08:12:46 pm »
Maybe one of the bearings did come apart and is rattling around the bottom of the motor.
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Offline mastercraftka

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Re: MS 250 Very hard to pull wont start!!
« Reply #48 on: January 14, 2014, 01:39:02 pm »
If worst comes to worst you can pick up a new motor on freebay or under $75

Here is one I picked up I also bought new piston; bearings and seals



Is that the Chinese knock of engine? Are they any good if so?

Offline mastercraftka

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Re: MS 250 Very hard to pull wont start!!
« Reply #49 on: January 14, 2014, 01:39:56 pm »
I am trying to remember back couple months ago if I did that hard stop, I just can't remember.

 

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