Rotax 912 iS Sport Operator's Manual page 56

Starting problems
Oil pressure
Page 4-10
January 01 2019
Engine does not start
Possible cause
Turn OFF the Lane select
Switch A/B.
Turn OFF the Master
switch.
Closed fuel selector/valve.
No fuel in tank.
Fuel pumps
Starting speed too low,
faulty or discharged battery.
Starting speed too low, start
problems on cold engine.
Wrong fuel (Jetfuel or
Diesel).
Knocking under load
Possible cause
Octane rating of fuel too
low.
Intake air temperature to
high.
Low oil pressure
Possible cause
Not enough oil in oil tank.
Too hot oil.
High oil pressure
Possible cause
Too cold oil
Wrong viscosity of oil
BRP-Rotax
Remedy
Turn ON the Lane select Switch A/B.
Turn ON the Master switch.
Open valve, clean or renew fuel fil-
ters, check fuel system for leaks.
Refuel.
Set both to "ON".
Fit fully charged battery.
Use top quality, low friction oil; allow
for sufficient cooling period to coun-
ter for performance drop on hot start-
er; preheat engine.
Change of fuel.
Remedy
Use fuel with higher octane rating.
Reduce the power. Check air filter
according to Maintenance Manual
Line Chapter: 12–20–00.
Remedy
Refill oil.
Cool down oil.
Remedy
Cover oil cooler or install thermostat.
Change oil to lower viscosity.
Effectivity: 912 i Series
Edition 2 / Rev. 0