TOHATSU BFT115A Service Manual page 415

Be sure to degrease, clean, or lubricate the following
parts before installation.
Crankshaft pulley bolt (1)
• Degrease the entire surface of the bolt-washer
(especially the washer and crankshaft pulley mating
surface) with a clean shop towel.
• Apply engine oil to the flanged part of the bolt and
washer mating surface.
• Apply engine oil to the threaded part of the bolt.
• Do not apply engine oil to the washer and crankshaft
pulley mating surface.
Crankshaft pulley (2)
• Remove oil from the bottom of the crankshaft pulley
boss using a degreasing cleaning agent.
• Degrease the bolt-washer mounting surface on the
crankshaft pulley using a clean shop towel.
• Do not contaminate the belt installation parts with oil.
Crankshaft (3)
• Spray a degreasing cleaning agent over a clean
shop towel, and wipe the entire surface of the
crankshaft to remove oil thoroughly.
• Do not let the oil seals and other rubber parts get
sprayed or contaminated with the degreasing
cleaning agent.
• Do not spray the degreasing cleaning agent directly
over the crankshaft. Be sure to wipe the crankshaft
with a clean shop towel sprayed with the degreasing
cleaning agent.
Install the key (1) and crankshaft pulley (2) to the
crankshaft (3) and loosely install the crankshaft pulley
bolt (4).
• Be careful not to let the key fall into the chain case.
Tighten the crankshaft pulley bolt (1) to the specified
torque using the special tools.
TOOLS:
Socket wrench 19 × 90 (2)
Holder attachment, 50 mm,
offset (3)
Holder handle (4)
TORQUE: 250 N·m (25.5 kgf·m, 184 lbf·ft)
• Do not use an impact wrench. Tighten the bolt while
holding the crankshaft pulley with the special tool.
• Do not turn the crankshaft counterclockwise.
: Wipe off with a clean shop towel.
× : Degrease
: Apply engine oil.
(2)
(1)
07JAA-001020A
07MAB-PY30100
(2)
07JAB-001020B
(3)
CYLINDER HEAD
(1)
(3)
(4)
(2)
(4)
(3)
(1)
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