Author Topic: mac 1-40 and 250 bar sizes  (Read 1368 times)

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Offline Eccentric

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Re: mac 1-40 and 250 bar sizes
« on: February 02, 2014, 07:08:14 pm »
Yep.  Stihl bars are 12mm or 12.1mm depending on where you get the info.  Large mount Stihl bars (090, 880, etc) are 14mm.
-Aaron

For older saws:
Tune the H side so that it 4-strokes (burbles) at WOT unloaded and just cleans up when under load.
When you lift cutting load, the saw should immediately revert to 4-stroking.  Fine tune the transition point for the wood you're cutting.

 

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