Sea-Doo GTX Limited iS 2009 Инструкция по эксплуатации онлайн [170/555] 12053

Section 02 ENGINE

Subsection 10 (CYLINDER HEAD)

R1503motr255A

TYPICAL

1. Punch

Check valve guide bore for abreased material.

The inlet and exhaust valve guides have the same

length and are interchangeable.

NOTE: If valve guide has caused scoring during

extraction, replace the cylinder head.

Grease the bore in cylinder head and the leading

end of valve guide with

MOLYKOTE G-N (P/N 420

297 433)

R1503motr256A

TYPICAL

1. Valve guide leading end

2. Cylinder head bore

3. Jig

With the VALVE GUIDE PUSHER (6 MM) (P/N 529 036

087)

, press the valve guide into the COLD cylinder

head as shown.

R1503motr257A

TYPICAL

A. Protrusion

VALVE GUIDE PROTRUSION

MINIMUM

12.4 mm (.4882 in)

MAXIMUM

12.8 mm (.5039 in)

NOTE: After installing new guides, they must be

reamed with a standard 6 mm reamer tool. These

are available from various tool suppliers.

Clean cy

linder head carefully. Check that the valve

seat is c

oncentric with the new guide axis (check

contact

surface with engineer's blue).

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