Is this a fuel scre

   / Is this a fuel scre #1  

1971bmw2002

New member
Joined
Nov 12, 2025
Messages
16
Tractor
ym146
Is this a fuel adjustment screw and if so how do I make it to where more fuel goes in? Yanmar ym 146
IMG_7539.jpeg
 
   / Is this a fuel scre #2  
   / Is this a fuel scre #3  
Looks more like an oil drain to me.
 
   / Is this a fuel scre #4  
Jeez... good luck with that, based on the information given! Maybe a zoom out on the area where that photo was taken? The YM146 isn't exactly the most common tractor here, today.

Anyone remember when magazines used to post extreme close-up images of common daily objects, to see if readers could guess their origin?

 
   / Is this a fuel scre #5  
The Ym1100 is the closest. Inj.pump & fuel should be the same. YM1100, 2Cyl. 3.26L. 14Hp.. The YM146 2Cyl. 3.8L 14Hp.
Limited for sure and I believe the Inj. Pump IP-200 should be correct. YM1100-1500 2Cyl. use it also. ?
 

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