Second; Is this thing running rich at idle or cruise or both? Is it burning your eyes? Are there any drivability issues, stumble/hesitation, bogging down under heavy throttle, stalling or hard starting.
What's the ignition timing? Initial and total?
New Qjet from where? Do you know the calibration, needles and seats?
Need full motor specs, at least cylinder head and block numbers. Camshaft would be nice as well.
Let us know, otherwise we'll all just be spit balling.
