From:Byrne Bramwell
Subject:T 3 1/2 carb Date:Tue Aug 19 10:29:54 2014
I have a T-3 1/2 carb on my 1920 K model Henderson. the bike runs fine at idle and mid range. It is not good at above midrange.

The carb came with a #19 main jet and I have tried a #20, no improvement.

Anyone know what is the correct mainjet, or have any luck with any size mainjet?