![Yamaha JOG CS50 (Z) (2002) [38/204] Engine](/img/pdf.png)
Yamaha JOG CS50 (Z) (2002) [38/204] Engine
![Yamaha JOG CS50 (Z) (2002) [38/204] Engine](/views2/1121429/page38/bg26.png)
CHK
ADJ
ADJUSTING THE ENGINE IDLING SPEED
3-8
ENGINE
EAS00054
ADJUSTING THE ENGINE IDLING SPEED
NOTE:
Prior to adjusting the engine idling speed, the
air filter element should be clean, and the engi-
ne shoud have adequate compression.
1. Start the engine and let it warm up for seve-
ral minutes.
2. Connect:
• engine tachometer
(onto the spark plug lead)
3. Check:
• engine idling speed
Out of specification
Adjust.
4. Adjust:
• engine idling speed
a. Remove the center panel.
b. Turn the pilot air screw in or out until it is
lightly seated.
c. Turn the pilot screw out the specified num-
ber of turns.
d. Turn the throttle stop screw in direction
a or b until the specified engine idling
speed is obtained.
e. Install the center panel.
5. Adjust:
• throttle cable free play
Refer to “ADJUSTING THE THROTTLE
CABLE FREE PLAY“
Engine tachometer
90890-03113
Pilot air screw setting
CS50: Dellorto 2 - 2
1
/
4
Gurtner 1
3
/
4
- 2
CS50Z: Dellorto 1
3
/
4
±
1
/
8
Engine idling speed
1.650 ~ 1.950 r/min
Direction a Engine idling speed is
increased.
Direction b Engine idling speed is
decreased.
Throttle cable free play (at the
flange of the throttle grip)
2 ~ 5 mm
a
a
b
b
Содержание
- Service manual 1
- Table of contents 1
- Important information 3
- Notice 3
- Detailed diagram 4
- Format of this manual 4
- How to use this manual 4
- Important characteristics 4
- Manual format 4
- Chk adj 5
- Gen info 5
- Illustrated symbols 5
- Trbl shtg 5
- Carburetor 6
- Chassis 6
- Cooling system 6
- Electrical system 6
- Engine 6
- General information 6
- Periodic checks and adjustments 6
- Specifications 6
- Table of contents 6
- Troubleshooting 6
- Chapter 1 general information 8
- Gen info 8
- General information 8
- Gen info 9
- General information 9
- Identification of scooter 9
- Scooter identification 9
- Gen info 10
- Important information 10
- Gen info 11
- Important information 11
- Gen info 12
- Special tools 12
- Gen info 13
- Special tools 13
- Chapter 2 specifications 15
- Specifications 15
- General specifications 16
- Specifications 16
- General specifications 17
- Maintenance specifications 18
- Maintenance specifications 19
- Maintenance specifications 20
- Maintenance specifications 21
- A b general tightening 22
- All specification data in this manual are listed in si and metric units use this table to convert metric unit data to imperial unit data 22
- Conversion table 22
- Conversion table general tightening torques specifications 22
- Ex metric multiplier imperial mm x 0 3937 in 2 mm x 0 3937 0 8 in 22
- General tightening torque specifications 22
- Metric to imperial 22
- Mm 10 mm 30 3 22
- Mm 12 mm 55 5 22
- Mm 14 mm 85 8 22 mm 16 mm 130 13 22
- Mm 6 mm 6 0 22
- Mm 8 mm 15 1 22
- Nm m kg 22
- Nut bolt torques 22
- This chart specifies tightening torques for standard fasteners with a standard iso thread pitch tightening torque specifications for special components or assemblies are provi ded for each chapter of this manual to avoid warpage tighten multi fastener assemblies in a crisscross pattern and progressive stages until the specified tightening torque is reached unless otherwise specified tighte ning torque specifications require clean dry threads components should be at room temperature 22
- Tightening torques 23
- Tightening torques 24
- Cooling system 25
- Cooling system l c version only 25
- Cable routing 26
- Cable routing 27
- Cable routing 28
- Chapter 3 periodic checks and adjustments 30
- Chk adj 30
- Periodic checks and ajustments 30
- Chk adj 31
- Introduction 31
- Introduction periodic maintenance lubrication intervals 31
- Periodic checks and adjustments 31
- Periodic maintenance and lubrication intervals 31
- Chk adj 32
- Rear bodywork mudguard 32
- Chk adj 33
- Rear bodywork mudguard 33
- Chk adj 34
- Front cowling and footrest 34
- Chk adj 35
- Front cowling and footrest 35
- Chk adj 36
- Handlebar covers 36
- Chk adj 37
- Handlebar covers 37
- Adjusting the engine idling speed 38
- Chk adj 38
- Engine 38
- Adjusting the throttle cable free play 39
- Chk adj 39
- Checking the spark plug 40
- Chk adj 40
- Checking the engine oil level 41
- Chk adj 41
- Changing the transmission oil autolube pump air bleeding 42
- Chk adj 42
- Chk adj 43
- Cleaning the air filter element 43
- Checking the coolant level 44
- Chk adj 44
- Changing the coolant 45
- Chk adj 45
- Changing the coolant 46
- Chk adj 46
- Changing the coolant 47
- Chk adj 47
- Chassis 48
- Chk adj 48
- Checking the rear brake shoes checking the brake fluid level 49
- Chk adj 49
- After bleeding the hydraulic brake sys tem check the brake operation 50
- Bleeding the hydraulic brake system 50
- Chk adj 50
- Checking and adjusting the steering head 51
- Chk adj 51
- Checking and adjusting the steering head 52
- Chk adj 52
- Checking the tires checking the wheels checking the front fork 53
- Chk adj 53
- Chk adj 54
- Rear shock absorber inspection 54
- Checking and charging the battery 55
- Chk adj 55
- Electrical system 55
- Checking and charging the battery 56
- Chk adj 56
- Checking and charging the battery 57
- Chk adj 57
- Checking and charging the battery 58
- Chk adj 58
- Checking and charging the battery 59
- Chk adj 59
- Checking and charging the battery checking the fuse 60
- Chk adj 60
- Do not use fuses of a higher amperage than that recommended this can cause extensive damage to the electri cal system and fire 60
- Chk adj 61
- Replacing the headlight bulb adjusting the headlight beam 61
- Chapter 4 engine 63
- Engine 63
- Engine 64
- Engine removal 64
- Engine removal 65
- Engine disassembly 66
- Engine disassembly 67
- Engine disassembly 68
- Engine disassembly 69
- Engine disassembly 70
- Engine disassembly 71
- Engine disassembly 72
- Engine disassembly 73
- Inspection and repair 74
- Inspection and repair 75
- Inspection and repair 76
- Inspection and repair 77
- Inspection and repair 78
- Inspection and repair 79
- Inspection and repair 80
- Inspection and repair 81
- Inspection and repair 82
- Inspection and repair 83
- Inspection and repair 84
- Engine assembly and adjustment 85
- Engine assembly and adjustment 86
- Engine assembly and adjustment 87
- Engine assembly and adjustment 88
- Engine assembly and adjustment 89
- Engine assembly and adjustment 90
- Engine assembly and adjustment 91
- Engine assembly and adjustment 92
- Engine assembly and adjustment 93
- Engine assembly and adjustment 94
- Engine assembly and adjustment 95
- Engine assembly and adjustment 96
- Engine assembly and adjustment 97
- Engine assembly and adjustment 98
- Engine assembly and adjustment 99
- Engine assembly and adjustment 100
- Engine assembly and adjustment 101
- Engine assembly and adjustment 102
- Engine assembly and adjustment 103
- Engine assembly and adjustment 104
- Engine assembly and adjustment 105
- Chapter 5 cooling system cs50z only 108
- Cooling system cs50z only 108
- Cooling system cs50z only 109
- Radiator and water pump 109
- Radiator and water pump 110
- Radiator and water pump 111
- Radiator and water pump 112
- Radiator and water pump thermostat 113
- Thermostat 113
- Thermostat 114
- Carburetor 117
- Chapter 6 carburetor 117
- Carburetor 118
- Carburetor 119
- Carburetor 120
- Carburetor 121
- Carburetor 122
- Carburetor 123
- Carburetor fuel cock 124
- Fuel cock 124
- Reed valve 125
- Reed valve 126
- Chapter 7 chassis 128
- Chassis 128
- Chassis 129
- Front wheel 129
- Front wheel 130
- Front wheel 131
- Front wheel 132
- Front wheel 133
- Front wheel 134
- Front brake 135
- Front brake 136
- Front brake 137
- Front brake 138
- Front brake 139
- Front brake 140
- Rear wheel 141
- Rear brake cable brake shoes plain washer 142
- Rear wheel 142
- Rear wheel 143
- Rear wheel 144
- Front fork 145
- Front fork 146
- Front fork 147
- Front fork 148
- Front fork 149
- Front fork 150
- Handlebar and steering 151
- Handlebar and steering 152
- Handlebar and steering 153
- Handlebar and steering 154
- Handlebar and steering 155
- Handlebar and steering 156
- Chapter 8 electrical system 159
- Electrical system 159
- Electrical components 160
- Electrical system 160
- Electrical components 161
- Checking switch continuity 162
- Checking switch continuty 162
- Checking the switches 163
- Checking the bulbs and bulb sockets 164
- Checking the bulbs and bulb sockets 165
- Checking the bulbs and bulb sockets 166
- Ignition system 167
- Ignition system 168
- Yes no 168
- Ignition system 169
- Yes no 169
- Ignition system 170
- Yes no 170
- Electric starting system 171
- Electric starting system 172
- Electric starting system 173
- Yes no 173
- Electric starting system 174
- Yes no 174
- Electric starting system 175
- Electric starting system 176
- Electric starting system 177
- Charging system 178
- Charging system 179
- No yes 179
- Yes no 179
- Charging system 180
- Yes no 180
- Lighting system 181
- Lighting system 182
- Yes no 182
- Lighting system 183
- Yes no 183
- Lighting system 184
- Yes no 184
- Yes no yes no 184
- Lighting system 185
- Yes no 185
- Signaling system 186
- Signaling system 187
- Yes no 187
- Signaling system 188
- Yes no 188
- Signaling system 189
- Yes no 189
- Signaling system 190
- Yes no 190
- Signaling system 191
- Yes no 191
- Signaling system 192
- Yes no 192
- Signaling system 193
- Yes no 193
- Signaling system 194
- Yes no 194
- Chapter 9 troubleshooting 196
- Trbl shtg 196
- Troubleshooting 196
- Starting failure hard starting 197
- Trbl shtg 197
- Troubleshooting 197
- Incorrect engine idling speed 198
- Starting failure hard starting incorrect engine idling speed 198
- Trbl shtg 198
- Faulty clutch 199
- Poor medium and high speed performance 199
- Poor medium and high speed performance faulty clutch 199
- Trbl shtg 199
- Overcooling cs50z only 200
- Overheating 200
- Overheating overcooling poor braking performance 200
- Poor braking performance 200
- Trbl shtg 200
- Faulty front fork legs 201
- Faulty front fork legs unstable handling 201
- Trbl shtg 201
- Unstable handling 201
- Faulty lighting or signaling system 202
- Trbl shtg 202
- Color code 204
- Cs50 z 2002 wiring diagram 204
- Wiring diagram 204
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