Welcome back. IMHO, If its running good at 70F, dont touch anything. He will be fatter at 90F so no big deal. If you're going to ride it in very cold condition, it can be too lean, just put a couple numbers up on the main and work from there, maybe a 1/2 on the air screw... You have to listen/feel the engine. Envoyé de mon SM-G965W en utilisant Tapatalk