I found this on the net its for a corty 1600,but it should work for a esky 1600. As mine is drowning when you try to give it throttle
Venturi Diameter 26 /
27
Auxiliary Venturi diameter 4.5/ .
4.5
Main Jet 140/ 155 Air Correction Jet 230/ 180
Emulsion Tube Jet F 30/ F 30
Slow running petrol jet 50/ 70
Slow running air jet 200 /
70
Progression holes 2 x 120/ 1 x 120 Slow running volume control port 1.5 mm -- Air bleed in throttle plate -- 1 mm Needle valve 1.75 mm
Float Travel 8.5mm
Starter petrol jet 100
Starter air passage 6 mm diameter