Forums Singles The original carb on my 31 model 20 had a 170 main jet.and yet the model 18 & Es2s all had 160's I know the main jet size a minor issue but I'm curious that the parts book list 9194 as the same main jet for the 16H, 18 , 19 and 20 but list no size. Main jet Hi Ian. I have a 1930 model 20 which is running on a 160 without any problem. Log in to post comments Good to know Ian. Thank You… Good to know Ian. Thank You Log in to post comments
Main jet Hi Ian. I have a 1930 model 20 which is running on a 160 without any problem. Log in to post comments
Hi Ian.
I have a 1930 model 20 which is running on a 160 without any problem.