Gen Info; How To Use This Manual - Yamaha Z300A Supplementary Service Manual

GEN
INFO

How to use this manual

Only chapters containing revisions or additional items in the base manual have been included in this
manual.
All special service tools introduced in this manual are mentioned in Chapter 3.
Manual format
The format of this manual has been designed to make service procedures clear and easy to under-
stand. Use the information below as a guide for effective and quality service.
1 Parts are shown and detailed in an exploded diagram and are listed in the components list.
2 Tightening torque specifications are provided in the exploded diagrams and after a numbered
step with tightening instructions.
3 Symbols are used to indicate important aspects of a procedure, such as the grade of lubricant
and lubrication point.
4 The components list consists of part names and part quantities, as well as bolt and screw dimen-
sions.
5 Service points regarding removal, checking, and installation are shown in individual illustrations
to explain the relevant procedure.
LOWR
Lower unit
Lower unit
No. Part name
1 Lower unit
2 Plastic tie
3 Hose
4 Check screw
5 Gasket
6 Dowel pin
7 Bolt
8 Drain screw
9 Grommet
10 Bolt
11 Bolt
12 Thrust washer
13 Propeller
14 Washer
15 Washer
16 Cotter pin
17 Propeller nut
18 Trim tab
6-5
4
1
General information
3
2
Q'ty Remarks
1
1
Not reusable
1
1
2
Not reusable
2
4 M10 40 mm
1
1
1 M10 45 mm
1 M8 60 mm
1
1
1
1
1
Not reusable
1
1
5
1
LOWR
Lower unit
Removing the drive shaft
1. Remove the drive shaft assembly and
pinion, and then pull out the forward
gear.
Drive shaft holder 4 1: 90890-06518
Pinion nut holder 2: 90890-06505
Socket adapter 2 3: 90890-06507
Disassembling the drive shaft
1. Install the pinion nut 1, tighten it finger
tight, and then remove the drive shaft
bearing 2 using a press.
CAUTION:
• Do not press the drive shaft threads a
directly.
• Do not reuse the bearing, always
replace it with a new one.
Bearing inner race attachment 3:
62Y5A11
90890-06639
Disassembling the forward gear
1. Remove the taper roller bearing from the
forward gear using a press.
6-19
CAUTION:
Do not reuse the bearing, always replace
it with a new one.
S62Y6850K
Bearing separator 1: 90890-06534
2. Remove the needle bearing from the for-
ward gear.
CAUTION:
Do not reuse the bearing, always replace
it with a new one.
Stopper guide plate 2: 90890-06501
Stopper guide stand 3:
90890-06538
Bearing puller 4: 90890-06535
Bearing puller claw 1 5:
90890-06536
1
S62Y6740K
62Y5A11
6D03F1X