Honda NB50M Manuals

Manuals and User Guides for Honda NB50M. We have 1 Honda NB50M manual available for free PDF download: Manual

Honda NB50M Manual (175 pages)

Brand: Honda | Category: Scooter | Size: 17 MB

Contents
1
General Information
2
General Safety
2
Service Rules
2
Model Identification
3
Vehicle Identification Number
3
Carburetor Identification Number
3
Engine Serial Number
3
Specifications
4
Torque Values
6
Cable & Harness Routing
8
Lubrication
13
Service Information
13
Troubleshooting
13
Overheating
13
Oil Pump Diagram
14
Oil Pump Removal
15
Oil Pump Inspection
16
Oil Pump Installation
16
Oil Pump Bleeding
17
Oil Inlet Line/Oil Pump
17
Oil Outlet Line
17
Lubrication Points
18
Maintenance
19
Spark Plug
19
Maintenance Schedule
20
Battery
21
Air Cleaner
21
Fuel Line/Fuel Strainer Cleaning
22
Oil Strainer
23
Final Reduction Oil
24
Oil Level Inspection
24
Oil Change
24
Recommended Spark Plugs
24
Compression Test
25
Ignition Timing
25
Carburetor Adjustment
25
Oil Pump Control Cable
26
Idle Speed Adjustment
26
Brakes
27
Brake Shoe Inspection
27
Suspension
28
Steering Head Bearings
28
Front
28
Rear
28
Wheels/Tires
29
Nuts, Bolts, Fasteners
29
Fuel System
30
Fuel System Service Information
31
Fuel System Troubleshooting
31
Engine Cranks but Won't Start
31
Lean Mixture
31
Throttle Valve Disassembly
32
Carburetor Removal
34
Auto Bystarter
35
Float/Float Valve/Jets Disassembly
36
Jets, Float Valve, Float Assembly
37
Float Level Inspection
38
Carburetor Installation
38
Throttle Valve Installation
39
Reed Valve
40
Reed Valve Removal
40
Reed Valve Inspection
40
Reed Valve Installation
40
Fuel Auto Valve Inspection/Maintenance
41
Engine Removal/Installation
42
Cylinder Head,Cylinder,Piston
47
Cylinder/Piston
51
Cylinder Head Inspection
51
Cylinder Head Decarbonizing
51
Piston Removal
52
Piston Ring/Expander Removal
52
Cylinder/Piston Inspection
52
Piston Ring Inspection
54
Connecting Rod Inspection
54
Piston/Cylinder Installation
54
Alternator
58
Alternator Service Information
59
Alternator Removal
60
Alternator Installation
62
Drive and Drive Pulleys/Kick Starter/Clutch
65
Engine Starts, but Scooter Won't Move
66
Engine Stalls or Scooter Starts Suddenly
66
Clutch Noise or Smell
66
Drive Pulley
67
Left Crankcase Cover Removal
67
Drive Belt Removal
67
Drive Belt Inspection
67
Movable Drive Face Removal/Disassembly
68
Movable Drive Face Inspection
69
Movable Drive Face Assembly
70
Movable Drive Face Installation
71
Kick Starter Removal
72
Clutch Removal
77
Driven Face Disassembly
78
Clutch/Driven Face Inspection
80
Driven Face Assembly
82
Driven Pulley Assembly
82
Clutch/Driven Pulley Installation
83
Final Reduction Service Information
85
Final Reduction Troubleshooting
85
Final Reduction Specifications
85
Final Reduction Tools
85
Final Reduction Disassembly
86
Final Reduction Inspection
87
Final Reduction Installation
88
Transmission Cover Assembly
88
Crankcase/Crankshaft
90
Crankcase/Crankshaft Service Information
91
Crankcase/Crankshaft Troubleshooting
91
Crankcase/Crankshaft Specifications
91
Crankcase/Crankshaft Tools
91
Crankcase Separation
92
Crankshaft Removal
92
Crankshaft Insepction
93
Steering/Front Wheel/Brake/Suspension
96
Steering/Front Wheel/Brake/Suspension Service Information
97
Steering/Front Wheel/Brake/Suspension Specifications
97
Steering/Front Wheel/Brake/Suspension Tools
97
Steering/Front Wheel/Brake/Suspension Troubleshooting
98
Hard Steering
98
Steers to One Side or Does Not Track Straight
98
Front Wheel Wobbling
98
Headlight Removal
99
Instruments
100
Headlight Disassembly
100
Headlight Assembly/Installation
100
Headlight Beam Adjustment
100
Handlebar Remoavl
104
Handlebar Installation
105
Front Wheel Removal
107
Front Wheel Disassembly
107
Front Wheel Tools
107
Axle Shaft
108
Wheel Bearing
108
Wheel Rim
108
Front Brake Drum
109
Front Brake
111
Brake Lining Inspection
111
Brake Panel Disassembly
111
Front Fork
112
Brake Panel Assembly
112
Pivot Arm Removal
112
Pivot Arm Bushing Inspection
113
Front Shock Removal
113
Front Shock Disassembly
114
Front Shock Inspection
114
Front Fork Spring Inspection
115
Front Shock Assembly
115
Steering Stem Removal
116
Ball Race Disassembly/Assembly
117
Steering Stem Installation
118
Rear Wheel/Brake/Suspension
120
Rear Wheel/Brake/Suspension Service Information
121
Rear Wheel/Brake/Suspension Specifications
121
Rear Wheel/Brake/Suspension Troubleshooting
121
Rear Wheel/Brake/Suspension Tools
121
Rear Wheel Removal
122
Rear Wheel Inspection
122
Wheel Rim Runout
122
Brake Drum
122
Rear Brake
123
Rear Brake Lining Thickness Inspection
123
Rear Brake Disassembly
123
Rear Brake Assembly
124
Rear Shock Absorber
125
Rear Shock Absorber Spring Free Length
126
Fuel Tank/Oil Tank
128
Fuel Tank/Oil Tank Service Information
129
Fuel Tank/Oil Tank Troubleshooting
129
Engine Fails to Start
129
Mixture too Lean
129
Fuel Tank Removal
130
Fuel Tank Disassembly
131
Fuel Tank Assembly
131
Oil Tank Removal
132
Electrical Equipment
135
No Power
136
Low Power
136
Intermittent Power
136
Charging System Failure
136
Battery Removal
137
Battery Specific Gravity Test
137
Battery Charging
138
Charging System
139
Charging Circuit
139
Performance Test
139
Technical Data
139
Stator Coil Inspection
140
Regulator/Rectifier
140
Ignition System
141
Resistor
141
Ignition Circuit
141
Ignition Coil
141
Alternator Inspection
142
Continuity Test
142
CDI Unit
143
Starter Motor
144
Starter Circuit
144
Starter Relay Removal
144
Starter Relay Inspection
144
Starter Motor Removal
145
Starter Motor Disassembly
146
Brush Inspection
146
Commutator Inspection
146
Starter Motor Assembly
147
Starter Motor Installation
147
Switches/Horn
148
Ignition Switch
148
Dimmer Switch
148
Turn Signal Switch
148
Front/Rear Stoplight Switch
149
Oil Level Sensor
150
Fuel Level Sensor
151
Fuel Level Sensor Removal/Installation
151
Unit Inspection
151
Fuel Gauge Inspection
151
Wiring Diagram
153
Technical Features
154
Auto-Bystarter
154
Engine Does Not Start or Is Hard to Start
156
Engine Lacks Power
157
Poor Performance at Low and Idle Speeds
158
Poor Performance at High Speed
158
Clutch and Drive/Driven Pulleys
159
Poor Handling
159
Loss of Control
159
Poor Front/Rear Suspension Performance
159
Oil Indicator
160
Poor Brake Performance
160
Fuel Gauge
161
Pointer Does Not Register Correctly
161
Pointer Fluctuates or Swings Violently
161
Starter Motor Does Not Turn
162
Starter Motor Turns Sluggishly or Fails to Crank Engnie
162
Engine Tools
163
Chassis Tools
164
Conveniency Tools
164
General Specifications
169
Standards and Service Limits
171

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Honda NB50M Manual (175 pages)

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