Hello,
This model carburettor Walbro 151A-031 WJY has no adjustments only idle screw. The exhaust I have dismantled and fully cleaned out. It has a screen and some kind of material behind it on the inside surface of one half of the exhaust. I have cleaned this also. Then I have reassembled the exhaust.

Entire Thread
Subject	Posted By	Posted
Masport SR-25 Brushcutter	leshby	21/05/13 03:04 AM
Re: Masport SR-25 Brushcutter	Bruce	21/05/13 06:49 AM
Re: Masport SR-25 Brushcutter	newlifemowers	23/05/13 01:05 AM
Re: Masport SR-25 Brushcutter	leshby	02/06/13 04:49 PM
Re: Masport SR-25 Brushcutter	newlifemowers	03/06/13 03:57 PM

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