TOHATSU BFT250A Service Manual page 420

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CYLINDER BLOCK
INSTALLATION
Clean the mating surfaces between the crankshaft and
the flywheel [1] with a degreasing cleaning agent, and
set the flywheel on the crankshaft.
Apply engine oil to the seat and the threaded part of the
flywheel bolts [2].
Hand tighten the eight bolts.
Install the special tool used for the flywheel boss/
flywheel removal on the starter motor mounting position
and tighten the two suitable bolts [3].
TOOL:
Ring gear holder [4]
Tighten the bolts in the numbered sequence shown.
Tighten them in two or three steps to the specified
torque.
TORQUE: 118 N·m (12.0 kgf·m, 87 lbf·ft)
Clean the mating surfaces between the flywheel [1] and
flywheel boss [2] with a degreasing cleaning agent, and
set the flywheel boss on the flywheel.
Apply engine oil to the seat and the threaded part of the
flywheel boss bolts [3].
Loosely tighten the eight bolts, then tighten them in the
numbered sequence shown to the specified torque.
TORQUE: 32 N·m (3.2 kgf·m, 24 lbf·ft)
Install the oil pump (page 12-9).
15-6
070PB-ZY3A100
[3]
[4]
[2]
1
7
5
3
2
8
[3]
1
5
3
8
2
[3]
[1]
4
6
[2]
[1]
7
4
6