Ok, 80 CB750C with pod filters and 4-1 exhaust. The previous owner left everything stock, it has 102's and 68's for jets. I was told to order 120 jets to replace the 102's because it was was struggling in mid to high range RPMS... It would pop and backfire due to lack of fuel... So, I ordered the 120's they came and instead of replacing what I thought would be the 102 jet, turned out to be the 68 jet, the 102 had the emulsion tube on it. So now I replaced the 68 jet with a 120, its running but struggles with the high rpm range and the top speed is not what it used to be... Ive attached a picture to help explain whats going on (please make fun of my artistic talent, its awesome) Also, the 4 fuel screws on the bottom by the bowls, is it unherd of to have them out 4 or 5 turns? As I keep turning them out its running better and better yet its still not the same... Ive herd the stock settings are 1.5 turns but I'm figuring its needed more fuel, im confusing myself, Please help me out
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