SELVA MARINE Fin Whale 225 EFI, Service Manual

Page: 116 / 399

POWR
Power unit
5-15
6AL3J11
24. Check that the wiring harness, hoses,
and other parts do not interfere with any
moving parts.
Replacing the timing belt
CAUTION:
• Do not turn the flywheel magnet coun-
terclockwise, otherwise the water pump
impeller may be damaged.
• Do not turn the flywheel magnet or the
driven sprockets when the timing belt is
not installed. Otherwise the pistons and
valves or intake and exhaust valves will
collide with each other and be damaged.
NOTE:
To remove and install the timing belt without
replacing it, see Chapter 5,
“ Removing the
timing belt, driven sprocket, and camshaft ”
and “ Installing the camshaft, driven sprocket,
and timing belt. ”
1. Reduce the fuel pressure.
NOTE:
To reduce the fuel pressure, see Chapter 4,
“ Reducing the fuel pressure. ”
2. Remove the flywheel magnet cover and
ECM cover.
3. Remove the blowby hose
1
.
4. Disconnect the ignition coil couplers
2
,
cam position sensor couplers
3
, and
knock sensor coupler
4
.
5. Remove the speed sensor coupler
5
from the bracket.
6. Remove all ignition coils and spark plugs.
7. Remove the ECM bracket bolts
6
, then
the ECM bracket.
8. Remove the timing belt guides
7
.
9. Turn the flywheel magnet clockwise and
align the
“ 1TDC ” mark
a
on the flywheel
magnet with the pointer
b
.
10. Check that the “ II ” marks
c
on the port
driven sprockets are aligned, and check
that the
“ I ” marks
d
on the starboard
driven sprockets are aligned.
11. Remove the wiring harness guide
8
.
S6AL5140
5
3
2
6
1
3
2
4
6
7
7
S6P25100
b
c
d
a