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Author Topic: dolmar 5100s started running funny  (Read 198 times)

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Offline dolmar

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dolmar 5100s started running funny
« on: September 10, 2014, 08:45:40 pm »
dolmar 5100s started running funny at an idle the rpms just goes wild, it just starts to run real fast I think it might be the crank seals any ideas or help would be great  ???   I bought the saw new in 2009 never gave me any problems until 2/3 days ago

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Offline 660magnum

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Re: dolmar 5100s started running funny
« Reply #1 on: September 10, 2014, 08:50:04 pm »
The chain side seal is more likely to give trouble from running the chain too tight.
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Offline farmboy

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Re: dolmar 5100s started running funny
« Reply #2 on: September 10, 2014, 09:08:47 pm »
Don't run it anymore til you find leak.  You could cook the piston.  Need to do pressure test to find leak.
Shep
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Offline pigpen60

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Re: dolmar 5100s started running funny
« Reply #3 on: September 10, 2014, 09:13:00 pm »
pressure test?
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