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Author Topic: Ms 660c  (Read 412 times)

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Offline Adrian lucas

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Ms 660c
« on: September 09, 2017, 08:01:53 PM »
Hi all
 I was wondering what the general opinion
Was on 661 c stihl very mixed results here in the land down under
Seems they do not like the heat here or the hard wood
Cheers Summercutter

Offline HolmenTree

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Re: Ms 660c
« Reply #1 on: September 11, 2017, 07:55:18 AM »
From the info I gather the MS661CM has a very restrictive muffler. Some say opening it up to breathe better solves heat problems.
Making a living with a saw since age 16.

Offline chep

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Re: Ms 660c
« Reply #2 on: September 14, 2017, 05:49:00 AM »
If you open up the muffler will the auto tune adjust accordingly?  Or do you need to bypass the factory settings?

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