Engine Tuning; Carburetor Calibration - Rotax 125 MAX evo Einbauanleitung Und Betriebsanleitung

ROTAX 125 MAX evo, Junior MAX evo, Mini MAX evo, Micro MAX evo
4.

Engine tuning

Performance graphs
In this diagram, the different performance characteristics of the MAX engines are shown. The
vertical Y-axis shows the power in kilowatts (kW). The horizontal X-axis shows the rotational speed
in revolutions per minute (rpm).
For more information, please check the performance data sheets on www.rotax-kart.com.
4.1.

Carburetor calibration

See Fig. 2.
The standard carburetor calibration is for an ambient temperature of 25°C / 77°F and 400 m /
1310 ft above sea level. At operation with different temperatures and altitudes, the main jet of the
carburetor has to be changed in accordance with Table 1, to optimize engine performance.
Calibration for QS-carburetor:
Main jet
- 5° Celsius
+ 5° Celsius
+15° Celsius
+25° Celsius
+35° Celsius
Table 1A
Seite/page 76/98
altitude altitude
0 Meters 400 Meters
215 210
210 205
205 200
195
200
195 190
altitude altitude
800 Meters 1200 Meters
205 200
200 195
195 190
190 185
185 180
K00414
altitude
1600 Meters
195
190
185
180
175
Ausgabe/Edition 11/2014