TOHATSU BFT75A Service Manual page 407

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CYLINDER BLOCK
Remove the crankshaft [1] from the cylinder block,
bearing careful not to damage the journals.
Remove the two thrust washers [2] from the cylinder
block. Check the thrust washers for damage (scores,
scratches, etc.), and replace if necessary.
Check the upper main bearings [3] for damage (scores,
scratches, etc.) before removing them. Replace the
upper main bearings if necessary.
Remove the five upper main bearings from the cylinder
block.
• Store the removed upper main bearings separately
for each main journal.
Remove the piston assembly [1] from the cylinder by
pushing the piston assembly with the handle of a
hammer [2] as shown.
• Store the removed piston assembly components
separately for each cylinder.
• Before removing the piston assembly, remove the
carbon deposits from the cylinder. Be careful not to
damage the piston.
• Do not damage the cylinder with the connecting rod.
Remove the ten dowel pins [1] from the cylinder block.
• Check the dowel pins for damage or deformity and
replace if necessary.
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[3]
[2]
[1]
[1]
[2]
[1]