Removal And Installation Chart - Yamaha 40V Service Manual

POWR

REMOVAL AND INSTALLATION CHART

Step Procedure/Part name
CRANK SHAFT AND PISTON
REMOVAL
Crank case
1 Bolt (with washer)
2 Oil seal housing
3 Plane washer
4 Crankshaft ass'y
5 Circlip
6 Piston pin clip
7 Piston pin
8 Piston pin washer
9 Small end bearing needle
10 Piston
11 Piston ring
12 Bearing
13 Oil pump drive gear
14 Spacer
OIL SEAL HOUSING DISASSEMBLY
1 O-ring
Oil seal
2
3 Oil seal
CRANK SHAFT AND PISTON
Q'ty
Follow the left "Step" for removal.
Refer to "CRANK CASE AND CYLINDER
BODY".
6 × 20 mm
1
1
1
1
NOTE:
Remove the crankshaft by lightly tapping
it with a plastic hammer.
2
6
CAUTION:
Always use the new clip.
3
6
CAUTION:
The washer should be placed with their
convex sides facing the piston.
3
CAUTION:
Do not a mixture of new and used bear-
ing needles in the same small end.
3
6
2
CAUTION:
When installing the bearing, the seal-cap
side should be installed towards the fly-
wheel side.
1 Oil injection model
CAUTION:
When installing the gear, the chamfered
bore edge side should be installed
towards the flywheel side.
1 Pre-mixed model
1
1
2
Reverse the removal steps for installation.
5-32
Service points
E