Disassembly Of Cylinder Block - TOHATSU MFS 60A Service Manual

Power Unit

23) Disassembly of Cylinder Block

Remove thermostat cover bolt and the cover 1 and exhaust
1.
cover 2.
Remove oil filter 3.
2.
Wipe off spilled oil completely.
Oil Filter Wrench :
P/N. 3AC-99090-0
3. Loosen crank case bolts in several steps in the reverse
sequence of order shown, and remove crank case.
Remove connecting rod bolts 4 and connecting rod cap 5,
4.
and then, crankshaft 6 and oil seal.
5. Remove bearings from cylinder block and crankcase.
6. Remove connecting rods and piston assemblies from
cylinder block.
• Removed bearings should be arranged in the
order they are removed.
• Mark in dividu al pis t o ns wi th numb e r a
corresponding to their cylinders.
• Connecting rods and caps should be arranged
as pairs in the order they are removed. Removes
parts should be arranged so that they can be
reassembled in their original positions and
orientations.
• Do not reuse piston pin clips. Be sure to replace
with new ones.
Remove piston pin clips 7 and piston pin, and then, piston.
7.
5-40
~
18 1
7
7 piston pin clips
5 6
15
16
2
11
12
4 3
9
10
8 7
13 14
17 18
4
5
7
a
Do not reuse.
1
2
3
6
7
4st 60 2019