Disassembling The Cylinder Block - Yamaha F225F Service Manual

POWR

Disassembling the cylinder block

1. Remove the crankcase a.
2. Remove the connecting rod caps a, and
then remove the crankpin bearings b,
connecting rods, and piston assemblies
c.
c
b
c
7-77
Power unit
a
a
b
b
TIP:
• To prevent mixing the pistons, connecting
rods, and connecting rod caps, mark each
with an identification number b of the cor-
responding cylinder.
• Mark each connecting rod and connecting
rod cap with mark c on the side facing
toward the flywheel magnet end of the
crankshaft.
• Make sure to keep the parts in the order of
removal.
3. Remove the crankshaft d, crankshaft
journal bearings e, thrust bearings f,
and oil seal g.
e
g
f
e
4. Remove the collar h.
h
i
k
j
d
e
f
e
d
e
k