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67C3K11
5-42
1
2
3
4
5
6
7
8
9
Disassembling the cylinder block
1.
Remove the thermostat cover bolts and
exhaust cover bolts in the sequence
shown, and then remove the thermostat
cover
1
, thermostat, and exhaust cover
2
.
2.
Remove the oil filter
3
using a 64 mm
(2.5 in) oil filter wrench.
3.
Remove the crankcase bolts in the
sequence shown, and then remove the
crankcase
4
.
4.
Remove the connecting rod caps
5
and
bearings
6
, and then remove the con-
necting rods, bearings, and piston
assemblies.
5.
Remove the crankshaft, main bearings,
and oil seals.
NOTE:
Be sure to keep the main bearings in the
order as they were removed.
6.
Remove the piston pin clips
7
and pis-
ton pin
8
, and then remove the piston
9
.
NOTE:
To avoid interchanging the pistons, connect-
ing rods, and connecting rod caps, mark
each with an identification number
a
of the
corresponding cylinder and be sure to keep
them in the order as they were removed.
7.
Remove the piston rings.
Oil filter wrench: 90890-01426
S67C5119
1
7
4
5
6
8
9
2
3
2
1
0
S67C5121
3
S67C5122
1
2
3
4
5
6
7
8
9
0
A
B
C
D
E
F
4
S67C5124
5
6
S67C5125
7
8
9
a
7
a
Summary of Contents for F30A
Page 1: ...F30A F40B SERVICE MANUAL 67C 28197 3K 11 ...
Page 4: ......
Page 26: ...GEN INFO General information 1 21 67C3K11 MEMO ...
Page 150: ...POWR Power unit 5 55 67C3K11 MEMO ...
Page 236: ...BRKT Bracket unit 7 55 67C3K11 MEMO ...
Page 282: ......
Page 283: ...YAMAHA MOTOR CO LTD Printed in China Aug 2007 1 2 1 CR E ...