Yamaha F150 Service Manual Page 14
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- Table of contents
- TROUBLESHOOTING
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GEN
INFO
General information
1-9
63P3F11
Intake system
Multi-point, group fuel injection with four separate throttle valves is adopted for the intake system.
Intake air volume is calculated according to engine speed, Intake air pressure, and throttle position,
and then the fuel injection volume is determined by the intake air volume to obtain a precise air and
fuel ratio under all operating conditions.
The cylinders are grouped, #1/#4 and #2/#3. Fuel is injected twice during each full cycle of each cyl-
inder, once during the exhaust stroke and once during the compression stroke. Fuel is injected dur-
ing the compression stroke of the #1 cylinder and the exhaust stroke of the #4 cylinder and during
the exhaust stroke of the #1 cylinder and the compression stroke of the #4 cylinder. The same
occurs during the compression and exhaust strokes of the #2 and #3 cylinders.
This allows a simpler fuel injection control system.
1
Four separate throttle valve
S63P1120
1
Initial injection timing
BTDC10
#1 cylinder
Compression Combustion
Exhaust Intake
#3 cylinder
Intake
Compression Combustion
Exhaust
#4 cylinder
Exhaust Intake
Compression Combustion
#2 cylinder
Combustion
Exhaust Intake
Compression
- SERVICE MANUAL 1
- Important information 2
- General information 4
- How to use this manual 6
- Safety while working 8
- Good working practices 9
- Disassembly and assembly 9
- Identification 10
- Features and benefits 11
- Balancer 12
- Piston and piston ring 12
- Connecting rod 13
- Cylinder head cover 13
- Four separate throttle valve 14
- Top cowling 15
- S63P1150 16
- Cooling system 17
- S63P1260 18
- S63P1180 18
- S63P1190 19
- Fuel system 20
- S63P1210 21
- S63P1220 21
- Technical tips 22
- 63P-00 EUR 22
- 63P-10 USA, CAN, OCE 22
- 63P-20 JPN 22
- Fail-safe control 23
- Warning control 24
- Shift cut control 25
- Over-revolution control 25
- Fuel pump control 25
- S69J1100 26
- S60V1290 27
- S63P1040 28
- S63P3270 28
- S69J3370 28
- S69J1210 29
- S60V1070 29
- S69J1240 30
- Specifications 31
- General specifications 32
- Measure conditions: 34
- Electrical 38
- S63P2010 40
- S63P2020 41
- Tightening torques 42
- General torques 44
- Maintenance interval chart 47
- S63P3030 48
- S63P3070 49
- S63P3090 50
- S63P3100 51
- S63P3040 51
- S63P3110 52
- S69J5E40 52
- S60V3130 53
- S63P3140 53
- S63P3150 53
- S63P3160 54
- S63P3170 54
- S63P3180 54
- S63P3190 54
- (using a thickness gauge) 55
- Checking the ignition timing 57
- S60V3320 59
- S69J3580 60
- S63P3300 60
- S60X3080 60
- S69J3620 61
- S63P3310 61
- Hose routing 65
- S63P4080 67
- S63P4050 69
- S63P4090 70
- S63P4100 70
- S63P4110 70
- S60C4060 70
- S60C4090 71
- S63P4130 76
- S63P4140 76
- Checking the check valve 77
- S63P4160 78
- S63P4180 78
- S63P4190 78
- S63P4210 79
- S63P4220 79
- S63P4250 79
- S63P4230 80
- S63P4260 80
- S63P4270 80
- S63P4280 81
- S63P4240 81
- S63P4290 82
- S63P5010 96
- S63P5020 96
- Checking the valve clearance 97
- S63P5070 98
- S63P5080 98
- S63P5090 98
- S63P5060 101
- CAUTION: 102
- S63P5330 103
- S63P5450 105
- Checking the timing belt and 106
- S63P5500 107
- S63P5470 107
- S63P5150 107
- Cylinder head 108
- Power unit 110
- Removing the cylinder head 113
- Checking the valve springs 113
- S69J5770 114
- Replacing the valve guides 115
- Checking the valve seat 116
- Refacing the valve seat 116
- S63P5240 117
- S69J5880 117
- S69J5890 117
- S69J5900 117
- Previous contact width 118
- Checking the cylinder head 119
- Installing the valves 119
- S63P5210 120
- S63P5220 120
- Removing the exhaust cover 122
- Cylinder block 123
- Checking the piston diameter 126
- Checking the cylinder bore 127
- Checking the piston clearance 127
- Checking the piston rings 127
- S63P5720 128
- S63P5730 128
- S63P5550 129
- P1 P2 P3 P4 131
- S63P5800 132
- S63P5540 133
- S63P5850 134
- S63P5930 135
- S63P5A20 137
- S63P5A90 139
- S63P5B20 140
- S63P5C50 140
- S63P5C10 142
- — MEMO — 143
- Lower unit 144
- Special service tools 146
- Not reusable 149
- X-transom model 153
- S69J6030 154
- S63P6050 154
- S69J6040 154
- S69J6045 154
- S62Y6640 158
- S69J6115 158
- Removing the drive shaft 162
- Disassembling the lower case 162
- S69J6200 163
- S69J6210 163
- Assembling the lower case 164
- Assembling the forward gear 164
- S63P6310 165
- S63P6360 167
- WARNING 169
- S63P6390 170
- Shimming 171
- Selecting the pinion shims 171
- S63P6430 172
- S63P6450 173
- Backlash 174
- (regular rotation model) 174
- S69J6360 182
- S63P6500 185
- S63P6510 185
- S69J6410 186
- S69J6415 186
- S63P6540 187
- S63P6570 188
- No. Part name Q’ty Remarks 190
- 18 Needle bearing 2 190
- 19 Reverse gear 1 190
- Assembling the reverse gear 193
- S63P6740 199
- S63P6760 201
- S63P6790 202
- S63P6820 203
- S69J6626 204
- (counter rotation model) 205
- Bracket unit 209
- Bottom cowling 211
- Draining the engine oil 221
- Disassembling the oil pan 221
- Checking the oil strainer 221
- Assembling the oil pan 221
- Removing the steering arm 223
- Installing the steering arm 223
- Installing the upper case 224
- Clamp brackets 225
- Removing the clamp brackets 227
- Installing the clamp brackets 227
- Adjusting the trim sensor cam 227
- S60X7160 228
- S60X7170 228
- Power trim and tilt unit 229
- S60X3020 236
- S60X7110 236
- S60X7120 237
- S60X7340 237
- S60X7220 239
- S60X7240 240
- S60X7300 241
- S60X7310 242
- S60X7400 242
- S60X7410 243
- S60X7420 243
- S60X7430 243
- S60X7440 243
- S60X7450 244
- S60X7460 244
- S63P7010 244
- S60X7500 245
- S60X7520 245
- S60X7530 245
- S63P7020 246
- S63P7030 246
- S60X7570 247
- S63P7360 248
- S63P7040 250
- S60X7720 250
- S60X7730 250
- S63P7060 251
- S60X3030 254
- S63P7270 255
- S69J7525 256
- Checking the trim sensor 257
- Electrical systems 259
- S69J8020 261
- Electrical components 262
- Junction box assembly 263
- Aft view 264
- Top view 265
- Wiring harness 266
- S63P8200 268
- S63P8070 270
- S63P8090 270
- S60C8100 270
- S63P8100 270
- S63P8110 271
- S63P8120 271
- S63P8130 272
- S69J8230 272
- S69J8240 272
- S69J8250 273
- S69J8270 273
- S63P8210 274
- S60V8450 276
- Starting system 277
- S63P8220 277
- S69J8340 278
- S60V8265 278
- Starter motor 279
- S63P8050 279
- Checking the armature 281
- S69J8440 282
- S69J8450 282
- Charging system 283
- S63P8230 283
- S63P8160 284
- S63P8170 284
- Troubleshooting 285
- DIAGNOSTIC 286
- INSTALLATION MANUAL 286
- Yamaha Diagnostic System 287
- Hardware requirements 288
- 3-pin communication coupler 289
- S63P9010 304
- Numerics 306
- Wiring diagram 310
- F150AET, FL150AET 310
- YAMAHA MOTOR CO., LTD 312
- Printed in the Netherlands 312
- Jul. 2003 – 1.2 × 1 CR 312
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