SELVA MARINE Blue Whale 250 EFI, Service Manual

Page: 143 / 377

6P23H11
5-30
1
2
3
4
5
6
7
8
9
7. Tighten the camshaft cap bolts to the
specified torques in 2 stages and in the
sequence shown.
NOTE:
Apply engine oil to the camshaft caps and
camshaft cap bolts before installation.
8. Install the dowel and exhaust driven
sprocket on the exhaust camshaft.
9. Hold the exhaust camshaft using a
wrench, and then tighten the driven
sprocket bolt
1
to the specified torque.
CAUTION:
Do not turn the exhaust camshaft when
tightening the bolt. Otherwise the intake
and exhaust valves will collide with each
other and be damaged.
NOTE:
Slight turn the driven sprockets in direction
È
to remove any free play
É
before tightening
the driven sprocket bolt
1
.
10. Install the dowel and variable camshaft
timing assembly on the intake camshaft.
T
R
.
.
Camshaft cap bolts:
1st: 8 N · m (0.8 kgf · m, 5.9 ft · lb)
2nd: 17 N · m (1.7 kgf · m, 12.5 ft · lb)
S6P25E20
PORT UP STBD
9S
8S
7S
5S
4S
3S
2S
1S
6S
4P
3P
2P
8P
7P
6P
5P
1P
S6P25610E
4
1
3
2
5
1
3
2
1
3
2
4
1
3
2
4
PORT STBD
T
R
.
.
Driven sprocket bolt
1
:
60 N · m (6.0 kgf · m, 44.3 ft · lb)
È
È
S6P25F10E
PORT
STBD
É
É
S6P25620
1
1
E
Power unit