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Outboard Motor
F6AMH
Yamaha F6AMH Service Manual
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CYLINDER HEAD AND
OIL PUMP
CYLINDER HEAD AND OIL
PUMP
REMOVING/INST
ALLING THE CYLINDER
HEAD AND OIL PUMP
Step
Job/Part
Q'ty
Remarks
1
Spark plug
2
2
Oil filler
cap
1
3
O
-rin
g
1
25.0 x 3.
0 mm
4
Bolt (with washer)
4
5
Cylinder head cover
1
6
Cover seal
1
7
Screw (with wa
sher)
5
8
Breath
er cover
1
9
Cover gasket
1
Not reusable
10
B
olt (with washer)
3
11
B
olt (with washer)
4
12
B
olt (with washer)
2
13
Cylinder hea
d assembly
1
Continued on next page.
5-37
253
255
Table of Contents
Default Chapter
4
How to Use this Manual
4
Model Indication
4
Important Information
8
Specifications
16
Symbols
16
Table of Contents
18
General Information
20
Periodic Check and Adjustment
16
Chapter 1
22
Serial Number
22
Starting Serial Numbers
22
Identification
22
Safety While Working
24
Fire Prevention
24
Ventilation
24
Self-Protection
24
Oils, Greases and Sealing Fluids
24
Good Working Practices
26
Disassembly and Assembly
28
Special Tools
30
Measuring
30
Removing and Installing
34
Specifications
38
General Specifications
40
Identification
43
Fonctionnement
45
General Specifications (F8Cmh/F8Mh)
48
General Specifications (F8Cw)
52
Maintenance Specifications
56
Power Unit
56
Electrical
64
Outboard Dimensions (F6Amh, F6Bmh, F8Cmh)
68
Outboard Dimensions (F6Amh/F6Mh, F8Cmh/F8Mh)
72
Outboard Dimensions (F8Cw)
76
Bracket Dimensions
80
Specified Torques
82
Tightening Torques
82
General Torques
86
Periodic Check and Adjustment
88
Chapter 3
90
Maintenance Interval Chart
90
Top Cowling
94
Checking the Water Drain Hole
94
Checking the Top Cowling Fit
94
Fuel System
96
Checking the Fuel Line
96
Control System
98
Adjusting the Shift Control Cable (Long Handle of F6Amh/F6Mh, F8Cmh/F8Mh)
98
Adjusting the Shift Control Cable (F8Cw)
100
Adjusting the Throttle Control Cables (F6Amh/F6Mh, F6Bmh, F8Cmh/F8Mh)
102
Adjusting the Throttle Control Cable (F8Cw)
104
Adjusting the Throttle Axle Link (F6Amh/F6Mh, F6Bmh, F8Cmh/F8Mh)
106
Adjusting the Throttle Axle Link (F8Cw)
108
Adjusting the Engine Idling Speed
110
Exhaust Gas Control Procedures
112
Adjusting the Start-In-Gear Protection Device
116
Checking the Engine Oil Level
118
Replacing the Engine Oil
118
Power Unit
118
Adjusting the Valve Clearance
120
Measuring the Compression Pressure
124
Checking the Ignition Timing
126
Checking the Timing Belt
128
Power Unit/Cooling System
128
Checking the Cooling Water Discharge
128
Lower Unit
130
Changing and Checking the Gear Oil Level
130
Checking the Lower Unit (for Air Leaks)
132
General
134
Checking the Anode
134
Checking the Battery
134
Checking the Spark Plugs
136
Lubrication Points
140
Fuel Joint, Fuel Filter and Fuel Pump
146
Removing/Installing the Fuel Joint, Fuel Filter and Fuel Pump
146
Checking the Fuel Filter
148
Checking the Fuel Joint
148
Installing the Fuel Filter
148
Chapter 4
148
Fuel Pump
148
Disassembling/Assembling the Fuel Pump
150
Checking the Fuel Pump
152
Assembling the Fuel Pump
152
Fuel Joint, Fuel Filter and Fuel Pump
148
Intake System
154
Removing/Installing the Intake System (F6Amh/F6Mh, F6Bmh, F8Cmh/F8Mh)
154
Removing/Installing the Intake System (F8Cw)
158
Adjusting the Fuel Enrichment Solenoid (F8Cw)
162
Adjusting the Throttle Axle Link
162
Installing the Intake Manifold
162
Disassembling/Assembling the Carburetor
164
Checking the Carburetor
168
Disassembling the Carburetor
168
Adjusting the Carburetor
170
Assembling the Carburetor
170
Fuel Enrichment Solenoid (F8Cw)
172
Disassembling/Assembling the Fuel Enrichment Solenoid
172
Adjusting the Fuel Enrichment Solenoid
174
Assembling the Fuel Enrichment Solenoid
174
D'etancheite
179
Removing/Installing the Manual Starter
182
Disassembling/Assembling the Manual Starter
186
Disassembling the Manual Starter
190
Assembling the Manual Starter
192
Checking the Manual Starter
192
Removing/Installing the Flywheel Rotor
198
Removing the Flywheel Rotor
200
Installing the Flywheel Rotor
202
Disconnecting/Connecting the Electrical Leads
204
Disconnecting/Connecting the Electrical Leads (F8Cw)
206
Disconnecting/Connecting the Cables and Hose
208
Disconnecting/Connecting the Cables and Hose (F8Cw)
212
Adjusting the Throttle Control Cable(S)
214
Removing/Installing the Power Unit
216
Installing the Power Unit
218
Removing/Installing the Left Side Electrical Components 1 (F8Cw)
232
Removing/Installing the Left Side Electrical Components 2 (F8Cw)
236
Removing/Installing the Thermostat, Timing Belt and Gears
238
Thermostat, Timing Belt and Gears
238
Removing the Drive Gear
242
Removing the Driven Gear
242
Removing the Timing Belt
242
Checking the Thermostat
244
Installing the Driven Gear
244
Mesure
245
Installing the Drive Gear
246
Installing the Timing Belt
248
Removing/Installing the Anode and Exhaust Cover
250
Installing the Exhaust Cover
252
Removing/Installing the Cylinder Head and Oil Pump
254
Installing the Cylinder Head
258
Installing the Oil Pump
258
Disassembling/Assembling the Oil Pump
262
Assembling the Oil Pump
264
Checking the Oil Pump
264
Removing/Installing the Camshaft and Valves
266
Checking the Valve and Valve Guide
270
Removing the Valve
270
Checking the Valve Spring
272
Checking the Camshaft
274
Checking the Rocker Arm
274
Rocker Arm Shaft
274
Checking the Cylinder Head
276
Replacing the Valve Guide
276
Ausbau und Einbau
277
Refacing the Valve Seat
278
Installing the Camshaft Oil Seal
282
Installing the Valve
282
Removing/Installing the Crankshaft, Piston and Cylinder Body
284
Disassembling/Assembling the Piston and Connecting Rod
286
Checking the Cylinder Body
288
Checking the Piston
288
Calculating the Piston-To-Cylinder Clearance
290
Checking the Piston Pin
290
Checking the Crankshaft
292
Checking the Piston Ring
292
Checking the Crankshaft-Plain Bearing Oil Clearance
294
Correctos
294
Checking the Crankshaft-Connecting Rod Oil Clearance
298
Installing the Connecting Rod
302
Installing the Piston Ring
302
Installing the Crankcase
304
Installing the Oil Seal
304
Installing the Piston and Connecting Rod
304
Desarmado y Armado
307
Medición
309
Removing/Installing the Lower Unit (Standard Propeller)
310
Desmontaje y Montaje
311
Removing/Installing the Lower Unit (Dual Thrust Propeller) (F8Cw)
314
Checking the Propeller
318
Installing the Lower Unit
318
Removing the Propeller
318
Installing the Propeller
320
Removing/Installing the Water Pump
322
Checking the Water Pump Housing, Cartridge Insert and Impeller
324
Checking the Woodruff Key
324
Installing the Cartridge Insert and Water Pump Housing
324
Installing the Propeller Shaft Housing Assembly
328
Disassembling/Assembling the Propeller Shaft Assembly
330
Assembling the Propeller Shaft Assembly
332
Checking the Dog Clutch
332
Checking the Propeller Shaft
332
Disassembling/Assembling the Propeller Shaft Housing Assembly
334
Checking the Ball Bearing
336
Checking the Reverse Gear
336
Disassembling the Propeller Shaft Housing Assembly
336
Assembling the Propeller Shaft Housing Assembly
338
Checking the Propeller Shaft Housing
338
Removing/Installing the Drive Shaft and Forward Gear
342
Checking the Drive Shaft
344
Checking the Forward Gear
344
Checking the Pinion
344
Removing the Ball Bearing
344
Installing the Ball Bearing
346
Removing/Installing the Bearing Housing, Shift Cam and Lower Case
348
Checking the Coller
350
Checking the Shift Cam
350
Disassembling the Bearing Housing
350
Removing the Solid Bushing
350
Assembling the Bearing Housing
352
Installing the Solid Bushing
354
Backlash
356
Measuring the Forward Gear Backlash
356
Measuring the Reverse Gear Backlash
358
Bracket Unit
362
Removing/Installing the Steering Handle
366
Adjusting the Shift Cable
374
Adjusting the Throttle Control Cables
374
Disassembling/Assembling the Steering Handle
376
Removing/Installing the Shift Lever
390
Removing/Installing the Bottom Cowling (F6Mh, F8Mh)
402
Removing/Installing the Upper Case
406
Installing the Lower Mount
408
Disassembling/Assembling the Upper Case
410
Installing the Muffler
414
Removing/Installing the Swivel and Steering Bracket
416
Removing/Installing the Clamp Bracket
418
Installing the Clamp Bracket Plate
422
Disassembling/Assembling the Swivel Bracket
424
Electrical System
428
Electrical Components
432
Top View and Left Side View
432
Details of the Wiring Harness Connection
434
Electrical Components
434
Top View, Front View and Left Side View
436
Electrical Components (F8Cw)
440
Digital Circuit Tester
444
Electrical Components Analysis
444
Measuring the Peak Voltage
444
Peak Voltage Adaptor
444
Ignition System
448
Checking the Ignition Spark Gap
450
Checking the Spark Plug Caps and Ignition Coil
450
Checking the Charge Coil
454
Checking the Pulser Coil
454
Checking the CDI Unit
456
Ignition Control System
458
Checking the Engine Stop Switch
460
Checking the Main Switch (F8Cw)
460
Checking Emergency Signal Light
462
Checking the Oil Pressure Switch
462
Starting System (F8Cw)
464
Checking the Fuel Enrichment Solenoid
466
Checking the Main Switch
466
Checking the Starter Relay
466
Checking the Wire Connections
468
Checking the Wire Harness
468
Disassembling/Assembling the Starter Motor
470
Checking the Armature
474
Removing the Pinion
474
Checking the Brush Holder
476
Charging System
478
Charging System (F8Cw)
482
Checking the Lighting Coil
484
Checking the Rectifier and Rectifier/Regulator
486
Trouble Analysis
488
Trouble Shooting for Peak Voltage
498
Wiring Diagram
504
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100 pages
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Yamaha F6AMH Specifications
General
Brand
Yamaha
Model
F6AMH
Category
Outboard Motor
Language
English
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