Forums 🚥 PiT STOP 🔧 Hyosung Technical Help Hyosung gt comet 125 2003year Carb main jet help Reply To: Hyosung gt comet 125 2003year Carb main jet help
There is a tutorial on the site , that helps you rich the current jets without really needing to upgrade them. Type in “Slide Mod” in the search box of the site. See how she runs , look at your plugs, if they are brown all over, leave it there.
If in doubt, take 4 photos = 2x Front 2x rear (eg. for front plug = 1 photo showing the inside of the plug and other photo showing the the spiral threads to see how dark they get based on heat)
Do this with fresh air filter (just get another stock air filter) and get CR8E plugs again (not CR7 or CR9 , if someone tells you to get CR7 , question their brains!)
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