Originally Posted by
Eraginal
Hey guys, so recently had my cylinder bored to 66mm, I just got a PJ 38mm carb, threw everything together the jets are a 162main and 52slow needle is 2nd clip, it idles fine right now but loaded up when giving gas to the point it fouls the plug, I have Boysen power reads right now that are going bad, I have a rad valve on the way, just looking for pointers on jetting as I fought this problem with my 34mm stock carb as well. Pipe is fmf fatty, silencer is a fmf power core 2, direct air because of new carb, took spark plug out and it is black so assuming running to rich. I live in California weather is about 80-99 degrees, any advice is good advice thanks for looking!