rotax micro max evo MY20
BASELINE MAIN JET (ON VP C9 RACE FUEL): 110
BASELINE MAIN JET ON (93 PUMP FUEL W/ETHANOL): 111
FUEL / OIL RATIO: 50:1 (2.6 OZ / GALLON) OR (20.3 ML / L)
PIN HEIGHT: PIN 2
FLOAT HEIGHT: LEAN (JUST ABOVE MIDPOINT ON ROTAX FLOAT TOOL WHEN CARB IS UPSIDE DOWN)
AIR SCREW: 3 FULL TURNS OUT
IDLE SCREW: 4 FULL TURNS OUT (IDLE AROUND 2,500 RPM WHEN ENGINE IS COLD, SHOULD NOT REALLY IDLE WHEN HOT)
OPTIMAL WATER TEMP:
165 F / 85 C
SPARK PLUG: ROTAX GR8DI-8
SPARK PLUG GAP: 1.1 MM