rotax micro max evo MY20

MAIN JET (ON VP C9 RACE FUEL): 110 (105 IF AIR TEMP > 85 F / 29.5 C)

MAIN JET ON (93 PUMP FUEL W/ETHANOL): 111 (108 IF AIR TEMP >85 F / 29.5C)

FUEL / OIL RATIO: 44:1 (2.9 OZ / GALLON) OR (22.7 ML / L)

PIN HEIGHT: PIN 4

FLOAT HEIGHT: LEAN (JUST ABOVE MIDPOINT ON ROTAX FLOAT TOOL WHEN CARB IS UPSIDE DOWN)

AIR SCREW: 2.5 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:

185 F / 85 C

SPARK PLUG: ROTAX GR9DI-8

SPARK PLUG GAP: 1.1 MM