39
MAINTENANCE PROCEDURES
plugs. Simply bring the coil down to spark
plug and “hook” it, then extract spark plug.
9) Spray XPS Lube, P/N 460786, or equiva-
lent, into spark plug holes.
IMPORTANT:
To allow engine lubrication for
storage, the DROWNED MODE can be acti-
vated to prevent fuel injection and ignition
while cranking in order to lubricate the cylin-
der walls.
Proceed as follows to activate drowned
mode.
10)Ensure both engines are OFF.
11)Install the tether cord on the engine cut-off
switch.
12)Ensure the throttle/shifter lever is in the
NEUTRAL position.
13)Activate the drowned mode as follows.
14)Move the throttle accelerator sensor (TAS)
to the wide open throttle position (WOT).
15)Turn ignition key to ON position.
IMPORTANT:
The ECM will allow engine
cranking while inhibiting fuel injection and ig-
nition. Do not crank engine for more than 10
seconds.
16)Ensure both engines are OFF.
IMPORTANT:
The ECM will allow engine
cranking while inhibiting fuel injection and ig-
nition. Do not crank engine for more than 10
seconds.
17)Crank each engine a few turns to distribute
the oil on cylinder walls.
IMPORTANT:
Ask a person to assist you for
this operation.
18)Release TAS.
19)Turn ignition key OFF.
20)Apply LOCTITE 767 Antiseize Lubricant,
P/N 460791, on spark plug threads then re-
install them.
21)Lubricate and reinstall ignition coils. Refer
to MAINTENANCE PROCEDURES.
22)To reinstall engine cover downward until it
snaps.
23)Reinstall dipstick.
IMPORTANT:
It is recommended to fog the
engine valves with
XPS Lube
, P/N 460786 or
equivalent. Contact your authorized
Rotax
Jet
Propulsion dealer.
Engine Coolant Test
If antifreeze is not replaced, test its density.
The antifreeze replacement and a density test
should be performed by an authorized
Rotax
Jet Propulsion dealer.
Antifreeze of each engines should be re-
placed every 200 hours or every 2 years to
prevent antifreeze deterioration.
Battery Removal And Storage
For battery removal, cleaning and storage,
contact your
Rotax
Jet Propulsion dealer.
PRESEASON PREPARATION
Maintenance preparation must be performed
in conjunction with PERIODIC MAINTE-
NANCE CHART.
1. Ignition coil
2. Spark plug
lmr2006-016-030_a
NOTICE
Failure to drain the exhaust system may
cause severe damage to intercooler and
exhaust manifold.
WARNING
Both engines must be stopped when
using drowned mode to lubricate the
engines.
NOTICE
Improper antifreeze density may allow
freezing of the liquid in the cooling sys-
tem if the boat is stored in an area where
the freezing point is attained. This would
seriously damage the engine.
Summary of Contents for Rotax 4-TEC 150
Page 5: ...Safety And Warranty Information ...
Page 28: ...24 Safety And Warranty Information NOTES ...
Page 29: ...25 Inspections and Maintenance ...
Page 45: ...41 Technical Information and Specifications ...
Page 50: ...46 Technical Information and Specifications NOTES ...
Page 51: ...47 Troubleshooting Guidelines ...
Page 59: ...55 Break In and Special Procedures ...
Page 63: ......
