Section 04 ENGINE (2-STROKE)
Subsection 07 (EXHAUST SYSTEM)
Tuned Pipe Removal without Separation from
Tuned Pipe Head and Tuned Pipe Cone
Execute the above procedures 1 through 5.
Then proceed as follows:
Remove the strap no. 2 retaining the muffler then
remove the exhaust hose no. 3 from tuned pipe
cone no. 5.
Loosen Allen screw retaining carburetor bracket
totunedpipehead.
F06D2DA
1
1. Loosen Allen screw
Loosen Allen screws no. 7 and nut no. 8 at tuned
pipe flange.
NOTE: To loosen nut, use polygonal wrench
(P/N 529 035 505).
1
F06D1TA
1. Tuned pipe flange
Loosen bolt no. 20 of tuned pipe head above
the engine magneto then remove bolts retaining
bracket to engine.
F06D1UA
1
1. Remove bolt
Remove tuned pipe assembly.
Block exhaust opening in the manifold to keep de-
bris from entering cylinder during threads cleaning
procedure.
Remove the stud no. 21 from “Y” manifold.
UseaM10x1.5screw/taptocleanthe4thread-
ed holes on the “Y” manifold and the 2 threaded
holes on tuned pipe. Clean out the debris with a
spray cleaner and air pressure.
CAUTION: It is very important that the threads
arefreeofdebrisbeforeinstallingnewself-
locking fasteners.
Exhaust Manifold
Remove 8 Allen screws no. 12 and lock washers
no. 13 then withdraw exhaust manifold.
Resonators
GTI and GTI LE Models
Remove vent tube support.
Upper Type Resonators
Detach resonator from body.
Loosen clamps and disconnect hoses. Withdraw
resonator from watercraft.
172 smr2004-Complete Line Up
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