Operating Limits; Engine Start And Operation - Rotax Fr 125 Max Betriebsanleitung

5. Operating limits

max. engine speed r.p.m.
min. coolant temperature °C
max. coolant temperature °C
Note: Speed is limited electronically during kart operation to a maximum of 14.000 r.p.m.
Warning: The engine is only allowed to be run at peak performance after reaching the
specified operating temperature. Operating the engine at too low a temperature
could result in piston seizure.
Note: If the engine does not reach the minimum specified operating temperature due to
the low ambient temperature, then the cooling efficiency of the radiator must be
reduced by partially covering the radiator with adhesive tape.
Warning: The maximum operating temperature of the engine must not be exceeded. If the
temperature is too high, it may result in piston seizure.
Note: Dirt must be cleared from the lamination of the radiator at regular intervals to
achieve the best cooling performance.

6. Engine start and operation

Prior to engine start, verify the following:
Fuel tank full.
Battery charged and connected.
Carburetor Bowden cable is moving freely and carburetor piston connected in idle position.
At engine start proceed as follows:
On a cold engine pull the choke lever into a vertical position.
Seite/page 72/80
Operating Instructions FR 125 MAX
Limits of operation
14.000
45
80
FR 125 MAX Ausgabe/edition 07/99