Section 04
ENGINE
Subsection 05
(TOP END)
04-05-27
787 Engine
Prior installation, apply synthetic grease below
screw head and Loctite 518 on screw threads.
Install M10 x 105 screws on exhaust side and the
M10 x 73.5 on opposite side.
Torque screws in a criss-cross sequence for each
cylinder to 20 N•m (15 lbf•ft). Repeat the proce-
dure, retightening all cylinder screws to 40 N•m
(30 lbf•ft).
2, Cylinder Head
717 and 787 Engines
Make sure to install O-rings
no. 12
around spark
plug holes and O-ring
no. 11
of cylinder head as
shown in the following illustration.
1. O-rings
Apply Loctite 518 in O-ring groove of cylinder
sleeves.
Install cylinder head.
947 Engine
Apply Loctite 242 (blue) on the threads of the cyl-
inder block studs
no. 32
.
Apply Loctite 242 (blue) below head of cylinder
head bolts
no. 14
.
Apply synthetic grease on threads of cylinder
head bolts
no. 14
.
Torque bolts and nuts to 15 N•m (11 lbf•ft) as per
following sequence in the next picture. Repeat
the torquing sequence by retightening to 34 N•m
(25 lbf•ft).
TORQUING SEQUENCE
1, Cylinder Head Cover
717 and 787 Engines
Install cylinder head cover.
Apply Loctite 242 (blue) below head of screws
no. 14
.
Apply also synthetic grease on threads of screws
no. 14
.
Torque cylinder head screws
no. 14
to 12 N•m
(9 lbf•ft) as per following illustrated sequence.
Repeat the procedure, retightening all screws to
24 N•m (17 lbf•ft).
F01D7FA
2
3
3
2
4
1
1
4
F01D5AA
1
1
F06D0WB
3
1
12
4
5
15
7
10
8
14
6
11
9
13
2
Содержание SEA-DOO GS 5626 1998
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