Chainsaw Repair
Husqvarna - Stihl - Poulan - Jonsered - Dolmar chainsaws and more => Stihl => Topic started by: farmboy on December 06, 2014, 07:38:32 am
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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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Newer technology. MS290 probably has improved porting and carburetion.
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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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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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I usually tach them 12.5 just to give a bit of buffer.
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I usually tach them 12.5 just to give a bit of buffer.
Same here.
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