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F50A
Yamaha F50A Midrange Outboard Motor Manuals
Manuals and User Guides for Yamaha F50A Midrange Outboard Motor. We have
5
Yamaha F50A Midrange Outboard Motor manuals available for free PDF download: Service Manual, Owner's Manual
Yamaha F50A Service Manual (403 pages)
Brand:
Yamaha
| Category:
Outboard Motor
| Size: 23.76 MB
Table of Contents
Table of Contents
3
Important Information
2
General Information
5
How to Use this Manual
6
Manual Format
6
Symbols
7
Safety While Working
8
Fire Prevention
8
Ventilation
8
Self-Protection
8
Parts, Lubricants, and Sealants
8
Good Working Practices
9
Disassembly and Assembly
9
Identification
10
Applicable Models
10
Serial Number
10
Features and Benefits
11
Newly Designed Four Carburetors
11
CDI Unit with Microcomputer
12
Lower Unit
13
Technical Tips
15
Carburetor
15
Technical Tips
17
Acceleration Pump
20
Ignition System
22
Ignition Timing Control
24
Power Trim and Tilt
27
Propeller Selection
37
Propeller Size
37
Selection
37
Predelivery Checks
38
Checking the Fuel System
38
Checking the Gear Oil
38
Checking the Engine Oil
38
Checking the Battery
38
Info
38
Checking the Outboard Motor Mounting Position
39
Checking the Remote Control Cables
39
Checking the Steering Wheel/Tiller Handle
39
Checking the Gearshift and Throttle Operation
39
Checking the Tilt System
40
Checking the Engine Start Switch and Engine Stop Switch/Engine Shut-Off Switch
40
Checking the Pilot Water Outlet
40
Test Run
40
Break-In
41
After Test Run
41
Spec Specifications
43
Specifications
43
General Specifications
44
Maintenance Specifications
48
Power Unit
48
Lower Unit
52
Electrical
52
Power Unit
55
Lower Unit
59
Dimensions
62
Tightening Torques
72
Specified Torques
72
General Torques
74
Chk Adj/Chk Adj
75
Chk Adj
76
Special Service Tools
76
Periodic Checks and Adjustments
76
Maintenance Interval Chart
78
Top Cowling
79
Checking the Top Cowling
79
Fuel System
79
Checking the Fuel Joint and Fuel Hoses (Fuel Joint-To-Carburetor)
79
Checking the Fuel Filter
80
Power Unit
80
Checking the Engine Oil
80
Replacing the Engine Oil
80
Checking the Timing Belt
82
Replacing the Timing Belt
82
Checking the Valve Clearance
85
Checking the Spark Plugs
86
Checking the Thermostat
87
Checking the Cooling Water Passage
88
Control System
88
Checking the Throttle Cable Operation
88
Checking the Gearshift Operation
89
Checking the Engine Idle Speed
90
Checking the Ignition Timing
90
Power Trim and Tilt Unit
91
Checking the Power Trim and Tilt Operation
91
Checking the Power Trim and Tilt Fluid Level
91
Chk Adj
92
Lower Unit
92
Checking the Gear Oil Level
92
Replacing the Gear Oil
92
Checking the Lower Unit (for Air Leakage)
94
Checking the Propeller
94
General
94
Checking the Anodes
94
Checking the Battery
95
Lubrication
96
Fuel Fuel System
99
Fuel
99
Special Service Tools
100
Fuel System
100
Hose Routing
101
Fuel and Blowby Hoses
101
Cooling Water Hose
102
Fuel Line
104
Fuel Filter and Fuel Pump
106
Checking the Fuel Pump
108
Disassembling the Fuel Pump
108
Checking the Diaphragm and Valves
109
Assembling the Fuel Pump
109
Carburetor Unit
110
Carburetor
116
Checking the Carburetor
118
Checking the Prime Start
119
Assembling the Carburetor
119
Adjusting the Throttle Link Rod
120
Adjusting the Pilot Screw
121
Synchronizing the Carburetors
122
Adjusting the Dash-Pot (Acceleration Pump)
123
Powr Power Unit
126
Powr
126
Troubleshooting
128
Special Service Tools
137
Power Unit
138
Checking the Compression Pressure
152
Checking the Oil Pressure
152
Removing the Power Unit
153
Timing Belt and Sprockets
156
Removing the Timing Belt and Sprockets
158
Checking the Timing Belt and Sprockets
159
Installing the Timing Belt and Sprockets
159
Cylinder Head
162
Removing the Cylinder Head
166
Checking the Valve Springs
167
Checking the Valves
167
Checking the Valve Guides
168
Replacing the Valve Guides
168
Checking the Valve Seat
169
Refacing the Valve Seat
170
Checking the Rocker Arms and Rocker Arm Shaft
172
Checking the Camshaft
172
Checking the Cylinder Head
173
Checking the Oil Pump
174
Installing the Valves
174
Installing the Camshaft
175
Installing the Rocker Arm Assembly
176
Installing the Cylinder Head
176
Cylinder Body
178
Removing and Installing the Oil Filter
182
Disassembling the Cylinder Body
182
Checking the Piston Diameter
183
Checking the Cylinder Bore
183
Checking the Piston Clearance
184
Checking the Piston Rings
184
Checking the Piston Ring Grooves
185
Checking the Piston Ring Side Clearance
185
Checking the Piston Pin Boss Bore
185
Checking the Piston Pin
185
Checking the Connecting Rod Small End Inside Diameter
186
Checking the Connecting Rod Big End Side Clearance
186
Checking the Connecting Rod Bolt
186
Checking the Crankshaft
186
Checking the Crankshaft Main Journal Oil Clearance
187
Checking the Crankshaft Pin Oil Clearance
188
Selecting the Crankshaft Main Journal Bearing
189
Selecting the Connecting Rod Big End Bearing
190
Assembling the Cylinder Body
191
Installing the Power Unit
194
Lowr Lower Unit
198
Lowr
198
Special Service Tools
200
Lower Unit (F50/F50A)
206
Removing the Lower Unit
208
Water Pump and Propeller Shaft Housing (F50/F50A)
210
Removing the Water Pump and Propeller Shaft Housing Assembly
212
Disassembling the Propeller Shaft Housing
212
Disassembling the Propeller Shaft Assembly
213
Checking the Water Pump
213
Checking the Propeller Shaft Housing
214
Checking the Propeller Shaft
214
Assembling the Propeller Shaft Assembly
215
Assembling the Propeller Shaft Housing
215
Installing the Propeller Shaft Housing
217
Installing the Water Pump
217
Drive Shaft and Lower Case (F50/F50A)
220
Removing the Drive Shaft
222
Disassembling the Drive Shaft Assembly
222
Disassembling the Forward Gear
222
Disassembling the Lower Case
223
Checking the Pinion and Forward Gear
224
Checking the Bearings
224
Checking the Drive Shaft
224
Checking the Shift Rod and Shift Cam
224
Checking the Lower Case
224
Assembling the Lower Case
224
Assembling the Forward Gear
226
Assembling the Drive Shaft
226
Installing the Drive Shaft
227
Installing the Lower Unit
227
Shimming (F50) (for USA and Canada)
230
Shimming
231
Selecting the Pinion Shims
231
Selecting the Forward Gear Shims
232
Selecting the Reverse Gear Shims
233
Shimming (F50A) (for Worldwide)
234
Shimming
235
Selecting the Pinion Shims
235
Selecting the Forward Gear Shims
236
Selecting the Reverse Gear Shims
237
Backlash (F50/F50A)
238
Measuring the Forward and Reverse Gear Backlash
238
Lower Unit (T50/FT50B, FT50C)
240
Removing the Lower Unit
242
Water Pump and Shift Rod (T50/FT50B, FT50C)
244
Removing the Water Pump and Shift Rod
246
Checking the Water Pump and Shift Rod
246
Installing the Water Pump and Shift Rod
247
Propeller Shaft Housing (T50/FT50B, FT50C)
250
Removing the Propeller Shaft Housing Assembly
252
Disassembling the Propeller Shaft Housing
252
Disassembling the Propeller Shaft Assembly
253
Checking the Propeller Shaft Housing
253
Checking the Propeller Shaft
254
Assembling the Propeller Shaft Assembly
254
Assembling the Propeller Shaft Housing
254
Installing the Propeller Shaft Housing
256
Drive Shaft and Lower Case (T50/FT50B, FT50C)
258
Removing the Drive Shaft
260
Disassembling the Drive Shaft
260
Disassembling the Forward Gear
260
Disassembling the Lower Case
261
Checking the Pinion and Forward Gear
262
Checking the Bearings
262
Checking the Drive Shaft
262
Checking the Lower Case
262
Assembling the Lower Case
262
Assembling the Forward Gear
264
Assembling the Drive Shaft
265
Installing the Drive Shaft
265
Installing the Lower Unit
265
Shimming (T50) (for USA and Canada)
268
Shimming
269
Selecting the Pinion Shims
269
Selecting the Forward Gear Shims
270
Shimming (FT50B, FT50C) (for Worldwide)
272
Shimming
273
Selecting the Pinion Shims
273
Selecting the Forward Gear Shims
274
Backlash (T50/FT50B, FT50C)
276
Measuring the Forward and Reverse Gear Backlash
276
Brkt Bracket Unit
278
Brkt
278
Troubleshooting
280
Special Service Tools
283
Tiller Handle (F50/F50A, T50/FT50B)
284
Checking the Throttle Cable and Shift Cable
294
Assembling the Tiller Handle
294
Tiller Handle (FT50C)
296
Checking the Throttle Cable and Shift Rod
302
Assembling the Tiller Handle
302
Lubricating the Throttle Gear
302
Bottom Cowling
304
Checking the Shift Rod Assembly Operation
308
Upper Case
310
Disassembling the Oil Pan
318
Checking the Oil Strainer and the Relief Valve
318
Assembling the Oil Pan
318
Installing the Upper Case
320
Clamp Brackets
322
Removing the Clamp Brackets
324
Installing the Clamp Brackets
324
Adjusting the Trim Sensor
325
Swivel Bracket and Steering Arm
326
Swivel Bracket and Steering Arm
327
Installing the Steering Arm
328
Removing the Steering Arm
328
Power Trim and Tilt Unit
330
Removing the Power Trim and Tilt/Hydro Tilt
332
Tilt Cylinder and Trim Cylinder
334
Tilt Cylinder and Trim Cylinder
335
Trim Cylinder
336
Gear Pump
338
Disassembling the Tilt Cylinder
342
Disassembling the Trim Cylinder
342
Disassembling the Gear Pump
343
Checking the Tilt Cylinder and Trim Cylinder
343
Check the Valves
344
Checking the Filters
344
Checking the Gear Pump
345
Assembling the Gear Pump
345
Assembling the Trim Cylinder
346
Assembling the Tilt Cylinder
348
Bleeding the Power Trim and Tilt (Not Installed)
349
Bleeding the Power Trim and Tilt (Built-In)
350
Power Trim and Tilt Motor
352
Checking the Power Trim and Tilt Motor
354
Assembling the Power Trim and Tilt Motor
355
Installing the Power Trim and Tilt
355
Power Trim and Tilt Electrical System
357
Checking the Fuse
358
Checking the Power Trim and Tilt Relay
358
Checking the Power Trim and Tilt Switch/Trailer Switch
359
Checking the Trim Sensor
359
Elec Electrical Systems
361
Elec
361
Electrical Systems
362
Troubleshooting
362
Special Service Tools
363
Checking the Electrical Components
365
Measuring the Peak Voltage
365
Measuring the Lower Resistance
365
Electrical Components
366
Starboard and Port Views
366
Front View
367
Top View
368
Tiller Handle Model (F50/F50A, T50/FT50B)
369
Tiller Handle Model (FT50C)
370
Wiring Harness
371
Ignition System and Ignition Control System
372
Checking the Ignition Spark Gap
374
Checking the Spark Plug Caps
375
Checking the Ignition Coil
375
Checking the CDI Unit
376
Checking the Charge Coil
376
Checking the Pulser Coil
377
Checking the Pulser Coil Air Gap
377
Checking the Engine Start Switch
378
Checking the Engine Shut-Off Switch
378
Checking the Thermoswitch
379
Checking the Oil Pressure Switch
379
Starting System
380
Checking the Fuse
381
Checking the Wiring Harness (10 Pins)
381
Checking the Neutral Switch
381
Checking the Starter Relay
381
Starter Motor
382
Removing the Starter Motor Pinion
384
Checking the Starter Motor Pinion
384
Checking the Armature
384
Checking the Brushes
385
Checking the Starter Motor Operation
385
Charging System
386
Checking the Lighting Coil
387
Checking the Rectifier Regulator
387
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Yamaha F50A Owner's Manual (222 pages)
Brand:
Yamaha
| Category:
Outboard Motor
| Size: 2.76 MB
Table of Contents
Table of Contents
8
Identification Numbers Record
10
Outboard Motor Serial Number
10
Key Number
10
Model Variation
12
Safety Information
14
Gasoline
14
Instructions Pour Le
19
Carburant
19
Instrucciones De Repostaje De
19
Combustible
19
Gasolina
21
Aceite De Motor
21
Requisitos De Batería
23
Selección De La Hélice
23
Proteccion Contra El Arranque Con Marcha Puesta
27
Main Components
30
Operations of Controls and Other Functions
32
Fuel Tank
32
Remote Control
34
Tilt Support Lever
42
Trim Angle Adjusting Rod
42
Top Cowling Lock Lever
42
Trim Tab
44
Power Trim/Tilt Switch
46
Tachometer
48
Trim Meter
48
Digital Tachometer
50
Tilt Lock Mechanism
56
Flushing Device
56
Warning System
58
Overheat Warning
58
Low Oil Pressure Warning
60
Installation
64
Mounting the Outboard Motor
66
Pre-Operation Checks
70
Checking the Engine Oil Level
74
Breaking in (Running In) Engine
76
Starting Engine
78
Warming up Engine
84
Shifting
86
Forward
86
Reverse
86
Stopping Engine
88
Trimming Outboard Motor
90
Adjusting Trim Angle
92
Tilting Up/Down
98
Shallow Water Cruising
104
Cruising in Other Conditions
106
Cruising in Salt Water
106
Cruising in Turbid Water
106
Transporting and Storing Outboard Motor
122
Trailering Outboard Motor
122
Storing Outboard Motor
122
Periodic Maintenance
134
Replacement Parts
134
Maintenance Chart
136
Cleaning and Adjusting Spark Plug
140
Greasing
144
Changing Engine Oil
146
Changing Gear Oil
150
Checking Fuel System
154
Inspecting Fuel Filter
156
Cleaning Fuel Tank
162
Adjusting Idling Speed
164
Inspecting and Replacing Anode(S)
166
Checking Propeller
168
Checking Timing Belt
172
Replacing Fuse
174
Checking Battery
176
Checking Power Trim and Tilt System
182
Checking Wiring and Connectors
184
Exhaust Leakage
184
Water Leakage
184
Checking Bolts and Nuts
184
Cleaning Cooling-Water Passages
186
Motor Exterior
188
Coating the Boat Bottom
188
Troubleshooting
192
Temporary Action in Emergency
204
Impact Damage
204
Power Trim / Tilt Will Not Operate
204
Starter Will Not Operate
206
Treatment of Submerged Motor
210
Yamaha F50A Owner's Manual (217 pages)
Brand:
Yamaha
| Category:
Outboard Motor
| Size: 6.1 MB
Table of Contents
Table of Contents
7
Numfros DÕIDENTIFICATION
11
Numžro De Sžrie Du Moteur Hors-Bord
11
Numžro De Clž
11
Variantes
13
Variaciones Entre Los Modelos
13
Información Sobre Seguridad
15
Instrucciones De Repostaje De
19
Gasolina
21
Aceite De Motor
23
Requisitos De Batería
25
Selección De La Hélice
25
Proteccion Contra El Arranque Con Marcha Puesta
27
Composants De Base
29
Main Components
30
Operations of Controls and Other Functions
32
Fuel Tank
32
Remote Control
34
Tilt Support Lever
42
Trim Angle Adjusting Rod
42
Top Cowling Lock Lever
42
Trim Tab
44
Power Trim/Tilt Switch
46
Tachometer
48
Trim Meter
48
Tilt Lock Mechanism
50
Warning System
52
Overheat Warning
52
Low Oil Pressure Warning
54
Operation
56
Installation
58
Mounting the Outboard Motor
60
Pre-Operation Checks
64
Checking the Engine Oil Level
68
Breaking in (Running In) Engine
70
Starting Engine
72
Warming up Engine
78
Shifting
80
Forward
80
Reverse
80
Stopping Engine
82
Trimming Outboard Motor
84
Adjusting Trim Angle
86
Tilting Up/Down
92
Shallow Water Cruising
98
Cruising in Other Conditions
100
Cruising in Salt Water
100
Cruising in Turbid Water
100
Entretien
103
Specification Data
104
Transporting and Storing
116
Trailering Outboard Motor
116
Storing Outboard Motor
116
Periodic Maintenance
128
Replacement Parts
128
Maintenance Chart
130
Cleaning and Adjusting Spark Plug
134
Greasing
138
Changing Engine Oil
140
Changing Gear Oil
144
Checking Fuel System
148
Inspecting Fuel Filter
150
Cleaning Fuel Tank
156
Adjusting Idling Speed
158
Inspecting and Replacing Anode(S)
160
Checking Propeller
162
Checking Timing Belt
166
Replacing Fuse
168
Checking Battery
170
Checking Power Trim and Tilt System
176
Checking Wiring and Connectors
178
Exhaust Leakage
178
Water Leakage
178
Checking Bolts and Nuts
178
Motor Exterior
180
Coating the Boat Bottom
180
Depannage
183
Restablecimiento En Caso De Problema
183
Troubleshooting
184
Temporary Action in Emergency
196
Impact Damage
196
Power Trim / Tilt Will Not Operate
196
Starter Will Not Operate
198
Engine Fails to Operate
202
Treatment of Submerged Motor
204
Indice
207
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Yamaha F50A Owner's Manual (220 pages)
Brand:
Yamaha
| Category:
Outboard Motor
| Size: 2.8 MB
Table of Contents
Español
8
Table of Contents
8
Identification Numbers Record
10
Outboard Motor Serial Number
10
Key Number
10
Model Variation
12
Safety Information
14
Gasoline
14
Français
28
Main Components
30
Fuel Tank
32
Operations of Controls and Other Functions
32
Remote Control
34
Tilt Support Lever
42
Top Cowling Lock Lever
42
Trim Angle Adjusting Rod
42
Trim Tab
44
Power Trim/Tilt Switch
46
Tachometer
48
Trim Meter
48
Digital Tachometer
50
Flushing Device
56
Tilt Lock Mechanism
56
Overheat Warning
58
Warning System
58
Low Oil Pressure Warning
60
Installation
64
Mounting the Outboard Motor
66
Pre-Operation Checks
70
Checking the Engine Oil Level
74
Breaking in (Running In) Engine
76
Starting Engine
78
Warming up Engine
84
Forward
86
Reverse
86
Shifting
86
Stopping Engine
88
Trimming Outboard Motor
90
Adjusting Trim Angle
92
Tilting Up/Down
98
Shallow Water Cruising
104
Cruising in Other Conditions
106
Cruising in Salt Water
106
Cruising in Turbid Water
106
English
108
Storing Outboard Motor
122
Trailering Outboard Motor
122
Transporting and Storing Outboard Motor
122
Periodic Maintenance
134
Replacement Parts
134
Maintenance Chart
136
Cleaning and Adjusting Spark Plug
140
Greasing
144
Changing Engine Oil
146
Changing Gear Oil
150
Checking Fuel System
154
Inspecting Fuel Filter
156
Cleaning Fuel Tank
162
Adjusting Idling Speed
164
Inspecting and Replacing Anode(S)
166
Checking Propeller
168
Checking Timing Belt
172
Replacing Fuse
174
Checking Battery
176
Checking Power Trim and Tilt System
182
Checking Bolts and Nuts
184
Checking Wiring and Connectors
184
Exhaust Leakage
184
Water Leakage
184
Cleaning Cooling-Water Passages
186
Coating the Boat Bottom
188
Motor Exterior
188
Troubleshooting
192
Impact Damage
204
Power Trim / Tilt will Not Operate
204
Temporary Action in Emergency
204
Starter will Not Operate
206
Treatment of Submerged Motor
210
Yamaha F50A Owner's Manual (117 pages)
Brand:
Yamaha
| Category:
Outboard Motor
| Size: 2.17 MB
Table of Contents
Table of Contents
5
General Information
7
Chapter 1 IDENTIFICATION NUMBERS RECORD
8
Outboard Motor Serial Number
8
Key Number
8
Emission Control Information
9
Safety Information
11
Caution Labels
13
Important Labels
13
Warning Labels
13
Basic Boating Rules
14
Rules of the Road
14
Fueling Instructions
18
Gasoline (Petrol)
18
Operation
19
Engine Oil
20
Battery Requirement
21
Propeller Selection
21
Start-In-Gear Protection
23
E -Memo-
25
Basic Components
25
Chapter 2
26
Main Components
26
Operations of Controls and Other Functions
27
Fuel Tank
27
Remote Control
28
Trim Tab
32
Power Trim/Tilt Switch
33
Trim Angle Adjusting Rod
33
Digital Tachometer
34
Tilt Support Lever
37
Top Cowling Lock Lever
37
Flushing Device
37
Warning System
38
Overheat Warning
38
Low Oil Pressure Warning
39
E -Memo-
41
Operation
41
Chapter 3 INSTALLATION
42
Mounting the Outboard Motor
43
Filling Fuel
45
Pre-Operation Checks
46
Checking the Engine Oil Level
47
Breaking in (Running In) Engine
48
Starting Engine
49
Warming up Engine
52
Shifting
53
Forward
53
Reverse
53
Stopping Engine
54
Trimming Outboard Motor
55
Adjusting Trim Angle
56
Tilting Up/Down
58
Cruising in Other Conditions
60
Cruising in Salt Water
60
Cruising in Turbid Water
60
Maintenance
61
Chapter 4
62
Specification Data
62
Transporting and Storing Outboard Motor
64
Trailering Outboard Motor
64
Storing Outboard Motor
65
Periodic Maintenance
69
Replacement Parts
69
Maintenance Chart
70
Greasing
71
Cleaning and Adjusting Spark Plug
72
Checking Fuel System
74
Inspecting Fuel Filter
75
Adjusting Idling Speed
77
Changing Engine Oil
78
Checking Timing Belt
80
Replacing Fuse
81
Checking Wiring and Connectors
81
Exhaust Leakage
81
Water Leakage
81
Checking Power Trim and Tilt System
82
Checking Propeller
83
Changing Gear Oil
85
Cleaning Fuel Tank
86
Inspecting and Replacing Anode(S)
88
Checking Battery
89
Checking Bolts and Nuts
92
Motor Exterior
92
Cleaning Cooling-Water Passages
92
Coating the Boat Bottom
93
E -Memo-
95
Trouble Recovery
95
Chapter 5
96
Troubleshooting
96
Temporary Action in Emergency
100
Impact Damage
100
Power Trim/Tilt will Not Operate
100
Starter will Not Operate
101
Engine Fails to Operate
103
Treatment of Submerged Motor
104
Index
105
Propeller Selection
107
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