Quote:
Originally Posted by Thumper
Now that you are in a deep freezer, the M will remain parked for a couple of months
So you can do the carb work.
I have the same engine- ZS172FFM-3A
I recommend increasing from #40 to #42 pilot and #120 to #125 main jet.
I had a #45 pilot in there, but too rich. You can shim the needle about 1mm.
I can send links to posts where these instructions with photos are. The are in the pics and video section in Temp X (2022 1/2) thread, page 2..
Stay warm!
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Thanks and here is the video I made re: 16T Front sprocket, showing clearance.