Here is my curv at the R&R.... My ignition and carburator were not set up at all. I know that I am too rich and I would like to know what's the EGT temperature to have with "the good air/fuel ratio" ? And what is "a good setting" for the ignition ? My piston after only 2 races My engine details: M1L ( 129° - 183° - 27° - Squish 1mm) mazzu 51 TMX30 (HD:280, PJ:75, ND:35, needle:5EL68, needleJet:N9, 2nd clip) quattrini MX3C exhaust Vespatronic danke