SELVA MARINE Blue Whale 250 EFI Service Manual page 143

PORT UP
7. Tighten the camshaft cap bolts to the
specified torques in 2 stages and in the
sequence shown.
PORT
4 4
2 2
3 3
1 1
NOTE:
Apply engine oil to the camshaft caps and
camshaft cap bolts before installation.
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)
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.
6P23H11
STBD
S6P25E20
STBD
5
2
2
3 3
1 1
4
S6P25610E
È
É
PORT
È
STBD
1
1
E
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.
Driven sprocket bolt 1:
60 N·m (6.0 kgf·m, 44.3 ft·lb)
10. Install the dowel and variable camshaft
timing assembly on the intake camshaft.
Power unit
É
S6P25F10E
S6P25620
5-30
1
2
3
4
5
6
7
8
9