Camshaft Installation - Yamaha WaveRunner FZR-GX1800 Service Manual

POWR
E
IN
M M
4
3
IN
Camshaft
a
12
b
c
M
EX
EX
d

Camshaft installation

1. Install:
• Camshafts
Installation steps:
1. Position piston #1 at TDC.
Refer to "Camshaft removal."
2. Install the exhaust camshaft sprocket 1
and intake camshaft sprocket 2.
TIP
• Install each camshaft sprocket with the
punch mark a facing outward.
• When installing
sprocket, make sure to align the alignment
marks b made during removal.
3. Apply engine oil to the threads of the cam-
shaft sprocket bolts.
4. Tighten the camshaft sprocket bolt to the
specified torque.
Camshaft wrench:
90890-06724
Camshaft sprocket bolt:
24 N·m (2.4 kgf·m, 17.7 ft·lb)
5. Apply molybdenum disulfide grease to the
camshaft journals, camshaft journal bear-
ings, and camshaft lobes.
6. Install the exhaust camshaft 3, and then
intake camshaft 4.
TIP
• Make sure that the punch marks c on the
camshafts face up.
• When installing the exhaust camshaft 3,
make sure that the exhaust side d of the
timing chain is taut.
5-59
an original camshaft
E
1
2
3
4
6
7
8
9