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Author Topic: Stihl 029, MS290 Max RPM's  (Read 2815 times)

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Offline farmboy

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Stihl 029, MS290 Max RPM's
« on: December 06, 2014, 07:38:32 am »
Had 029 Super come in for repair.  Replaced fuel line, pull start and carb.  I tune customers saws by tach as most don't know how to tune a saw.  Went in my old 2003 Stihl CD to check max rpms.  Max rpm 029S 12,500 MS 290 is 13,500.  Both are 46mm.  Question is why there a 1,000 rpm difference?
Shep
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Offline RoyM

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Re: Stihl 029, MS290 Max RPM's
« Reply #1 on: December 06, 2014, 11:14:54 am »
Newer technology. MS290 probably has improved porting and carburetion.
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Offline Cut4fun .

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Re: Stihl 029, MS290 Max RPM's
« Reply #2 on: December 06, 2014, 11:59:11 am »
check out these specs too. 029 says 13  029S 12.5  thinking I seen 290 12.5   http://www.getsaws.com/S_specs.html
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Offline 660magnum

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Re: Stihl 029, MS290 Max RPM's
« Reply #3 on: December 06, 2014, 01:37:13 pm »
Just for firewood cutting, I'd probably just set my 029/MS-290 to 12,500?  The engine will last longer.
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Offline bloodontheice

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Re: Stihl 029, MS290 Max RPM's
« Reply #4 on: December 07, 2014, 12:36:28 pm »
I usually tach them 12.5 just to give a bit of buffer.

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Offline farmboy

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Re: Stihl 029, MS290 Max RPM's
« Reply #5 on: December 08, 2014, 10:19:14 pm »
Quote from: bloodontheice on December 07, 2014, 12:36:28 pm
I usually tach them 12.5 just to give a bit of buffer.


Same here.
Quote from: RoyM on December 06, 2014, 11:14:54 am
Newer technology. MS290 probably has improved porting and carburetion.
That was my thinking too.  Port timing is where I think it is carbs are the same on the Super and MS that I have.
Shep
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