37
MAINTENANCE PROCEDURES
(such as a garden hose). High pressure can
cause da ages to electrical or mechanical sys-
tems.
In coastal areas, special care should also be
taken on stainless steel or chrome parts like
grab handles, mooring cleats, fuel cap and
navigation lights. Refer to BOAT CLEANING
for proper care.
STORAGE
It is recommended that the boat be taken to
an authorized
Rotax
Jet Propulsion dealer,
repair shop, or person of your choosing for
proper storage but the following operations
can be performed by you with a minimum of
tools.
IMPORTANT:
Leave drain plug out during
storage period.
Jet Pump Cleaning
Clean jet pump by spraying water in its inlet
and outlet and then apply a coating of
XPS
Lube
, P/N 460786, or equivalent.
Fuel System Protection
XPS Fuel Stabilizer, P/N 460795, (or equiva-
lent), can be added in fuel tank to prevent fuel
deterioration and fuel system gumming. Fol-
low stabilizer manufacturer‘s instructions for
proper use.
Engine Oil And Filter Replacement
The oil change and filter replacement may be
performed by an authorized
Rotax
Jet Propul-
sion dealer, repair shop, or person of your
choosing.
Intercooler Draining
It is important to expel any trapped water that
may have accumulated from condensation in
the intercooler of each engine.
Proceed as follows:
1) Open the engine cover.
2) Ensure there is an alignment line drawn on
the intercooler outlet hose. This will ensure
the hose is not twisted or kinked on rein-
stallation.
3) Loosen the clamp retaining the intercooler
outlet hose.
4) Remove the intercooler outlet hose from
the intercooler.
IMPORTANT:
This hose feeds the inlet of the
supercharger.
5) Start and rev the engine up to 4000 rpm
several times
IMPORTANT:
Prevent air intake system from
aspirating foreign objects which may cause
severe engine damage.
6) Stop engine.
7) Reinstall the intercooler air outlet hose, en-
sure it is properly aligned as prior to remov-
al to ensure proper engine operation.
Exhaust System Flushing
Perform procedure as described in MAINTE-
NANCE section.
NOTICE
Do nut run the engines during storage
period.
WARNING
Always remove tether cord cap from
engine cut-off switch to prevent unex-
pected engine starting before cleaning
the jet pump area. Engine must not be
running for this operation.
NOTICE
It is highly recommended to add fuel sta-
bilizer at storage in order to maintain fuel
system in good condition.
1. Intercooler outlet hose
lmo2010-001-004_a
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: ......