Sea-doo GTX Limited iS 255 2009, Shop Manual

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Section 02 ENGINE
Subsection 06 (EXHAUST SYSTEM)
GENERAL
During assembly/installation, use torque values
and service products as in the exploded view.
Clean threads before applying a threadlocker. Re-
fer to
SELF-LOCKING FASTENERS and LOCTITE
APPLICATION
at the beginning of this manual for
complete procedure.
WARNING
Torque wrench tightening specifications
must be strictly adhered to. Locking devices
(e.g.: locking tabs, elastic stop nuts, cotter
pins, etc.) must be replaced with new ones.
Hoses, cables or locking ties removed during a
procedure must be reinstalled as per factory stan-
dards.
SYSTEM DESCRIPTION
The exhaust system is protected by its own cool-
ing system, an opened loop type.
The water supply is provided by a pressurized area
in the jet pump between the impeller and venturi.
Water is directed first through the exhaust mani-
fold fitting located at front of manifold.
Water enters the manifold end and is directed to
water jackets of exhaust manifold.
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1. Exhaust manifold water inlet
2. Exhaust manifold
3. Exhaust manifold water outlet (to pump support)
4. Exhaust manifold water outlet (to exhaust pipe and muffler)
Water exits exhaust manifold through 2 hoses at
rear manifold.
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Water exits exhaust pipe through holes at the end
of the water jacket and mixes with exhaust gas in
the muffler.
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1. Water packet holes
Water is evacuated from muffler then through the
exhaust outlet in transom area.
Exhaust System Technical
Specifications
TYPE
Total Loss Cooling System
(TLCS)
WATER FLOW
Flow from jet pump
(no water pump)
TEMPERATURE
CONTROL
Calibrated outlet fittings
(no thermostat)
SYSTEM BLEEDING Self-bleed type
SYSTEM DRAINING Self-drain type
MAINTENANCE
EXHAUST SYSTEM FLUSHING
Flushing the exhaust system with fresh water is
essential to neutralize corroding effects of salt or
other chemical products present in water. It will
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