Posted by D Slater on April 03, 2009 at 07:48:40 from (71.164.43.225):
In Reply to: 362173r91 carb posted by karl f on April 02, 2009 at 22:48:18:
IH made enough changeover kits to change all tractors sold with R91 over to R92 in early 55 I think. All evidently didn't get changed because a new changeover kit shows up once in a while. Even if you have a R91 it should run and idle okay. Changes were in size of main seat or jet, discharge jet and a high speed ajusting screw and nut was added. Also a passage was pluged in bowl. Your carburetor has some change added. R 91 ones came with a plug were you have a high speed adjusting screw. The correct idle adjusting screw has a straight round section about 2/3 to half the thread size for a short distance on end then a taper to point. Main seat for a R92 carb has a .051 hole size. Main discharge jet has all three holes .055 size and tip size is .136 .
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Today's Featured Article - The Day Mom Drove the 8N - by Brian Browning. My Dad was wanting to put in a garden but couldn't operate the 8N and handle the old horse drawn plow he had found and rigged up to use with the tractor. Well, he decided to go get Mom out of the house and have her drive the tractor while he walked behind the plow. You got to understand that while my Mom is a hard worker who will always help whenever she can... she had never operated farm machinery before that day. Dad got her out there, explained how the clutch was the same as in our o
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