SELVA MARINE Blue Whale 250 EFI Service Manual page 182

POWR
9. Install the crankcase onto the cylinder
block, and then tighten the crankcase
bolts to the specified torques in 2 stages
and in the sequence shown.
90˚
k
S
5C
O
19
K
STBD
G 4B
8F
J
R
N
NOTE:
• Crankcase bolts 1–F can be reused 5
times.
• The oil seal must be installed before tight-
ening the crankcase bolts.
• Apply engine oil to the crankcase bolts
before installation.
• Tighten crankcase bolts 1–F to the speci-
fied torques in 2 stages first, and then
tighten crankcase bolts G–S to the speci-
fied torques in 2 stages.
• Make a mark k on the crankcase and
crankcase bolts, and then tighten crank-
case bolts 1–F 90° from the mark.
• After tightening the crankcase bolts, check
that the crankshaft rotates smoothly.
1–8 Crankcase bolt (M8):
1st: 25 N·m (2.5 kgf·m, 18.4 ft·lb)
2nd: 90°
9–F Crankcase bolt (M10):
1st: 40 N·m (4.0 kgf·m, 29.5 ft·lb)
2nd: 90°
G–S Crankcase bolt (M8):
1st: 14 N·m (1.4 kgf·m, 10.3 ft·lb)
2nd: 28 N·m (2.8 kgf·m, 20.7 ft·lb)
5-69
Power unit
UP
E
P
D6
L
02
PORT
H
A3
I
E 7
Q
M
S6P25B00J
10. Install the piston with the "UP" mark on
the piston crown facing towards the fly-
wheel magnet.
NOTE:
Apply engine oil to the side of the pistons and
piston rings before installation.
Piston ring compressor:
90890-05158
11. Install the connecting rod cap 8 to the
connecting rod, and then tighten the con-
necting rod cap bolts to the specified
torques in 3 stages.
CAUTION:
Do not reuse the connecting rod cap
bolts, always replace them with new ones.
6P23H11