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Author Topic: Tuning an MS261 (Non Mtronic)  (Read 1000 times)

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Offline ThreeFingerMack

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Tuning an MS261 (Non Mtronic)
« on: May 29, 2017, 04:17:01 PM »
I have an MS261 and want to tune it so it runs right, but I'm green as grass and twice as stupid. Is this fella doing it right? Can i just copy him and be ok?


Offline CTYank

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Re: Tuning an MS261 (Non Mtronic)
« Reply #1 on: July 07, 2017, 07:21:10 AM »
That family of saws ships with different carbs. Some have fixed jet for high-speed mixture, which obviously can't be adjusted.

If it has both H and L mixture adjustments, the L is the one closer to the engine, if you can't see marks identifying them. Adjust as with any other such 2-stroke.

If it has fixed jet for H, fully adjustable replacement carbs can be found.
'72 blue Homelite 150
Echo 315, SRM-200DA
Poulan 2400, PP5020, PP4218
RedMax GZ4000, "Mac" 35 cc, Dolmar PS-6100
Husqy 576XP-AT
Tanaka 260 PF Polesaw, TBC-270PFD, ECS-3351B
Mix of mauls
Morso 7110


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