The information came from the link l posted above, just trying to get the most from this carb to suit my 2F tractor motor. I have the later 2F carb but l thought the earlier carb with mechanical secondary’s was a better carb and l like the early airbox as it suits my 71. Happy to learn from the...
I found the below in the Ih8mud cruiser carb info, so assuming l could go to 1.42 Primary main jet?
Primary and secondary (P&S) venturis should be 28 & 31 mm respectively.
P&S main jets should be 1.20 & 1.80 mm respectively. Older issue had 1.42/2.00. richens primary circuit and leans secondary...
Thanks for the reply, l will see how the 1.12 goes but look at changing it to the bigger primary jet of 1.24 when i get some small drill bits.
Just wanted to know what were the correct jet size as who knows whats been changed over the years.
Playing with the float settings now and the factory...
Found a F motor manual online and all the jet sizes l have are whats recommended except l should be running the 0.9 power jet instead of the 0.9 which is for high altitude. Still interested to know what's the best combo for performance, would love to hear from the carb gurus @65swb45 @FJ40Jim...
Read a few different threads about jet sizing but it seems to differ for year models. I have an early Aisan F carb that l am running on my 2F in my 71 FJ40.
I have removed the old jets and found the primary main jet 112
Secondary main jet 200
Slow jets both 50 (saw 0.85mm recommended)
Power...