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Thumper · 12-22-2022, 08:52 PM

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!

12-22-2022, 08:52 PM	#14
Thumper Join Date: Feb 2021 Location: Kansas City Posts: 2,317	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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