Rotax OM-912 Operator's Manual page 53

Oil level
Cold engine start
Effectivity: 912 Series
OM Edition 2 / Rev. 1
Oil level is increasing
Possible cause
Oil too cold during engine op-
eration.
Engine hard to start at low temperature
Possible cause
Starting speed too low.
Low charge battery.
High oil pressure.
Oil pressure too low after cold
start.
Oil pressure must be measured at idle at an oil
NOTE:
temperature of minimum 50 °C (120 °F).
Be sure the oil pressure does not go below
minimum at idle.
BRP-Powertrain
Remedy
cover oil cooler surface, maintain the oil
temperature prescribed.
Remedy
preheat engine.
fit fully charged battery.
At cold start a pressure reading of up to
around 7 bar (102 psi) does not indicate
a malfunction.
Too much resistance in the oil suction
tube at low temperatures. Stop engine
and preheat oil.
At oil pressure reading too low than 1
bar oils with lower viscosity are to be
used.
See SI-912-016, current issue.
November 01/2010
page 4-6