Home
Yamaha
Outboard Motor
140B
Yamaha 140B Service Manual
4
of 1
of 1 rating
261 pages
Give review
Manual
Specs
To Next Page
To Next Page
Loading...
Y
AMAHA
MOT
OR CO.
,
L
TD.
Printed in Japan
Oct.
2005 – 1.2
×
1
!
(E_1)
Printed on recycled paper
115B
SER
VICE MANU
AL
61U-28197-5H-11
140B
E115A
E115A,
115B,
140B
61U_A3Cover 06.6.9 18:50 Page 1
2
Table of Contents
Table of Contents
3
Important Information
2
General Information
5
How to Use this Manual
6
Manual Format
6
Symbol
7
Contents
7
Safety While Working
8
Fire Prevention
8
Ventilation
8
Self-Protection
8
Parts, Lubricant, and Sealant
8
Good Working Practice
9
Disassembly and Assembly
9
Identification
10
Applicable Model
10
Serial Number
10
Special Service Tool
11
Propeller Selection
16
Propeller Size
16
Selection
16
Predelivery Check
17
Checking the Fuel System
17
Checking the Gear Oil
17
Checking the Outboard Motor Mounting Height
17
Checking the Remote Control Cable (Remote Control Model)
18
Checking the Steering System
19
Checking the Gear Shift and Throttle Operation
19
Checking the PTT System (ET)
20
Checking the Engine Start Switch and Engine Stop Lanyard Switch
20
Checking the Cooling Water Pilot Hole
21
Test Run
21
Break-In
21
After Test Run
22
Spec Specification
23
Default Chapter
23
Specification
23
General Specification
24
Maintenance Specification
28
Power Unit (E115A Models)
28
Lower Unit (E115A Models)
30
Electrical (E115A Models)
30
Power Unit (115B, 140B Models)
33
Lower Unit (115B, 140B Models)
35
Dimension
38
Tightening Torque
42
Specified Torque
42
General Torque
44
Chk Adj Periodic Check and Adjustment
45
Periodic Check and Adjustment
46
Maintenance Interval Chart
46
Top Cowling
47
Checking the Top Cowling
47
Periodic Check and Adjustment
48
Fuel System
47
Checking the Fuel Joint and Fuel Hose (Fuel Joint-To-Carburetor)
47
Checking the Fuel Filter
47
Power Unit
48
Checking the Spark Plug
48
Checking the Thermostat
48
Checking the Cooling Water Passage
49
Control System
49
Adjusting the Start-In-Gear Protection (MH, WH)
49
Checking the Control Link and Throttle Link Position
50
Synchronizing the Carburetor
50
Checking the Engine Idle Speed
51
Adjusting the Throttle Cable
51
Checking the Gear Shift Operation
52
Checking the Ignition Timing
53
Checking the Choke Solenoid (E, ET)
54
Bracket
55
Checking the PTT Operation (ET)
55
Checking the PTT Fluid Level (ET)
55
Lower Unit
56
Checking the Tilt Operation (MH, WH, E)
56
Checking the Gear Oil Level
56
Changing the Gear Oil
57
Checking the Lower Unit for Air Leakage
58
Checking the Propeller
58
General
58
Checking the Anode
58
Checking the Battery (WH, E, ET)
59
Lubricating the Outboard Motor
59
Fuel Fuel System
61
Hose Routing
62
Fuel Hose and Breather Hose
62
Fuel System
62
Fuel Line
64
Carburetor
67
Disassembling the Carburetor
73
Checking the Carburetor
73
Assembling the Carburetor
74
Fuel Pump
76
Checking the Fuel Pump
77
Disassembling the Fuel Pump
77
Assembling the Fuel Pump
78
Checking the Fuel Joint
78
Powr Power Unit
80
Default Chapter
80
Powr
80
Power Unit
82
Checking the Compression Pressure
82
Disassembling the Manual Starter (MH, WH)
95
Assembling the Manual Starter (MH, WH)
96
Checking the Drive Pawl (MH, WH)
96
Checking the Spiral Spring (MH, WH)
96
Checking the Starter Rope (MH, WH)
96
Removing the Power Unit
98
Removing the Flywheel Magnet
100
Removing the Electrical Component
101
Intake Manifold
105
Removing the Intake Manifold
105
Checking the Reed Valve
105
Exhaust Cover
106
Removing the Exhaust Cover
107
Checking the Exhaust Cover
107
Checking the PCV
107
Installing the PCV
107
Cylinder Head
108
Removing the Cylinder Head
110
Checking the Cylinder Head
110
Crankcase
112
Removing the Crankcase
115
Disassembling the Bearing Housing
115
Disassembling the Oil Seal Housing
116
Removing the Piston, Connecting Rod Assembly and Crankshaft Assembly
116
Disassembling the Piston and Connecting Rod Assembly
116
Checking the Bearing
116
Disassembling the Crankshaft
117
Checking the Piston Diameter
117
Checking the Cylinder Bore
118
Checking the Piston Clearance
118
Checking the Piston Ring
118
Checking the Internal Anode
119
Checking the Piston Pin
119
Checking the Piston Pin Boss Bore
119
Checking the Piston Ring Side Clearance
119
Checking the Connecting Rod Big End Side Clearance
120
Checking the Connecting Rod Small End Axial Play
120
Checking the Crankshaft
120
Assembling the Crankshaft
121
Assembling the Bearing Housing
122
Assembling the Oil Seal Housing
122
Assembling the Piston and Connecting Rod Assembly
123
Assembling the Power Unit
123
Installing the Power Unit
130
Adjusting the Timing Plate
133
Adjusting the Ignition Timing Stopper
134
Lowr Lower Unit
137
Default Chapter
137
Lowr
137
Lower Unit
138
Removing the Lower Unit
141
Checking the Water Pump and Shift Rod
142
Removing the Water Pump and Shift Rod
142
Propeller Shaft Housing
143
Removing the Propeller Shaft Housing Assembly
145
Disassembling the Propeller Shaft Assembly
145
Disassembling the Propeller Shaft Housing
145
Checking the Propeller Shaft Housing
146
Checking the Propeller Shaft
146
Assembling the Propeller Shaft Assembly
146
Assembling the Propeller Shaft Housing
147
Drive Shaft and Lower Case
149
Removing the Drive Shaft
150
Disassembling the Drive Shaft Housing
150
Disassembling the Forward Gear
150
Disassembling the Lower Case
151
Checking the Pinion and Forward Gear
151
Checking the Bearing
151
Checking the Drive Shaft
151
Checking the Lower Case
152
Assembling the Lower Case
152
Assembling the Forward Gear
152
Assembling the Drive Shaft Housing
153
Installing the Drive Shaft
153
Installing the Propeller Shaft Housing
154
Installing the Water Pump and Shift Rod
155
Installing the Lower Unit
156
Shimming
159
Selecting the Pinion Shim
160
Selecting the Forward Gear Shim
161
Selecting the Reverse Gear Shim
162
Backlash
163
Measuring the Forward and Reverse Gear Backlash
163
Brkt Bracket Unit
166
Default Chapter
166
Brkt
166
Tiller Handle
171
Assembling the Tiller Handle
171
Checking the Throttle Cable and Shift Cable
171
Lubricating the Throttle Gear
171
Bottom Cowling
172
Upper Case, Steering Arm
175
Disassembling the Upper Case
179
Checking the Upper Case
180
Assembling the Upper Case
180
Removing the Steering Arm
184
Removing the Oil Seal of Swivel Bracket (MH, WH, E)
184
Installing the Oil Seal of Swivel Bracket (MH, WH, E)
184
Installing the Steering Arm
185
Installing the Upper Case
186
Clamp Bracket and Swivel Bracket
187
Removing the Clamp Bracket (MH, WH, E)
191
Disassembling the Swivel Bracket (MH, WH, E)
192
Assembling the Swivel Bracket (MH, WH, E)
192
Assembling the Clamp Bracket (MH, WH, E)
193
Removing the PTT Unit (ET)
197
Removing the Clamp Bracket (ET)
197
Installing the Clamp Bracket (ET)
198
Installing the PTT Unit (ET)
199
Adjusting the Trim Sensor Cam (ET)
200
PTT Unit
201
Checking the Hydraulic Pressure
202
PTT Motor
206
Disassembling the PTT Motor
206
Checking the PTT Motor
207
Checking the Filter
208
Assembling the PTT Motor
208
Gear Pump
211
Disassembling the Gear Pump Housing
211
Checking the Main Valve
212
Checking the Gear Pump
212
Checking the Gear Pump Housing
212
Checking the Reservoir
212
Checking the Relief Valve
212
Assembling the Gear Pump Housing
213
Tilt Cylinder and Trim Cylinder
217
Disassembling the Tilt Cylinder and Trim Cylinder
217
Checking the Tilt Cylinder and Trim Cylinder
218
Assembling the Tilt Piston and Trim Piston
218
Assembling the PTT Unit
219
Bleeding the PTT Unit
222
Bleeding the PTT Unit (Built-In)
223
PTT Electrical System
224
Checking the Fuse
224
Checking the PTT Relay
224
Checking the Trim Sensor
224
Elec Electrical System
225
Default Chapter
225
Elec
225
Checking the Electrical Component
226
Measuring the Peak Voltage
226
Electrical System
226
Electrical Component
227
Port View
227
Starboard View
228
Top View
230
Ignition and Ignition Control System
231
Checking the Ignition Spark Gap
231
Checking the Spark Plug Cap
231
Checking the Ignition Coil
232
Checking the CDI Unit
232
Checking the Pulser Coil
233
Checking the Charge Coil
233
Checking the Thermoswitch
234
Checking the Fuse (WH, E, ET)
234
Checking the Engine Start Switch (WH, E, ET)
235
Checking the Engine Stop Lanyard Switch
235
Checking the Starter Relay (WH, E, ET)
236
Checking the Neutral Switch (WH)
236
Removing the Starter Motor Pinion
239
Checking the Starter Motor Pinion
239
Checking the Armature
239
Checking the Brush
240
Checking the Starter Motor Operation
240
Checking the Choke Solenoid
240
Starting System
234
Starter Motor (WH, E, ET)
239
Charging System
241
Checking the Lighting Coil
241
Checking the Rectifier Regulator
241
Checking the Hour Meter
242
Trbl Shtg
243
Other manuals for Yamaha 140B
Owner's Manual
122 pages
4
Based on 1 rating
Ask a question
Give review
Questions and Answers:
Need help?
Do you have a question about the Yamaha 140B and is the answer not in the manual?
Ask a question
Yamaha 140B Specifications
General
Horsepower
140 hp
Starting System
Electric
Shaft Length
20"
Cooling System
Water Cooled
Max Power Output
5500 rpm
Related product manuals
Yamaha 150
82 pages
Yamaha 115
90 pages
Yamaha 15F
196 pages
Yamaha 15A
99 pages
Yamaha 15D
64 pages
Yamaha 15B
99 pages
Yamaha 115Z
132 pages
Yamaha 130B
20 pages
Yamaha 150A
46 pages
Yamaha 115B
223 pages
Yamaha 150F
90 pages
Yamaha 15FMH
329 pages
Need help?
General
To Next Page
