TOHATSU 200 Series Service Manual page 162

dummyhead dummyhead
CYLINDER BLOCK
Remove the five side bolts (10 x 60 mm) [1], two side
bolts (10 x 80 mm) [2], side bolt (10 x 109 mm) [3], eight
bearing cap bolts [4], four bearing caps [5], four lower
main bearings [6], and eight dowel pins [7].
• Check the main bearing for damage (scores,
scratches, etc.) and replace it with a new one if
necessary.
Remove the crankshaft [8], two thrust washers [9], and
four upper main bearings [10], taking care not to
damage the journal.
CRANKCASE COVER/CRANKSHAFT
ASSEMBLY
Clean the mating surfaces between the upper main
bearing [1] and cylinder block [2] with a degreasing
cleaning agent.
Apply molybdenum disulfide oil to the crankshaft mating
surface of the upper main bearing.
Install the four upper main bearings onto the cylinder
block by aligning the tab [3] of the main bearing with the
groove [4] of the cylinder block.
Apply molybdenum disulfide oil to the crankshaft [5]
main bearing journal, crankpin, thrust washer contact
surfaces.
Install the crankshaft onto the main bearings.
15-6
[4]
[7]
[2]
[1]
[1]
[4] [3]
[2]
[5]
[6]
[8]
[10]
[9]
[3]
[1]
[2]
[5]