Honda NU50 Manuals

Manuals and User Guides for Honda NU50. We have 1 Honda NU50 manual available for free PDF download: Shop Manual

Honda NU50 Shop Manual (175 pages)

Brand: Honda | Category: Scooter | Size: 32.92 MB

Contents
3
General Information
4
General Safety
4
Service Rules
4
Model Identification
5
Specifications
6
Tools
8
Torque Values
9
Standard to Roue Values
9
Cable & Wire Harness Routing
10
Lubrication System
14
Lubrication
15
Service Information
15
Lubrication Troubleshooting
16
Overheating
16
Seized Piston
16
Oil Not Flowing out of Tank
16
Final Reduction Oil
17
Oil Tank
17
Oil Level Check
17
Oil Strainer Cleaning
19
Oil Pump
19
Oil Pump Bleeding
21
Oil Inlet Line
21
Oil Outlet Line
21
Lubrication Points
22
Maintenance
23
Maintenance Schedule
24
Fuel Lines
25
Fuel Strainer
25
Air Cleaner
26
By Starter Element
26
Spark Plug
27
Throttle Operation
27
Thaotile Cable Adjustment
27
Oil Pump Control Cable Adjustment
28
Idle Speed Adjustment
28
Ignition Timing
29
Compression Test
29
Battery
30
Brakes
30
Brake Adjustment
30
Brake Shoe Inspection
31
Suspension
31
Steering Head Bearings
32
Headlight Aim
32
Wheels/Tires
32
Nuts, Bolts, Fasteners
33
Fuel System
35
Throttle Valve Disassembly
36
Carburetor Removal
37
Float/Float Valve/Jets Disassembly
37
Float/Float Valve Inspection
38
Jets/Float Valve/Float Assembly
39
Float Level Inspection
39
Carburetor Installation
40
Throttle Valve Installation
40
Reed Valve Removal
42
Reed Valve Inspection
42
Reed Valve Installation
42
Fuel Filter and Tank
43
Fuel Strainer Cleaning
43
Fuel Tank Removal
44
Fuel Tank Installation
44
Engine Removal/Installation
46
Engine Removal
47
Engine Installation
48
Cylinder Head/Cylinder/Piston
50
Cylinder Head Removal
51
Cylinder Head Inspection
51
Cylinder Head Decarbonizing
52
Piston Removal
53
Piston Ring/Expander Removal
53
Cylinder/Piston Inspection
53
Piston Ring Inspection
55
Connecting Rod Inspection
55
Piston/Cylinder Installation
55
Cylinder Head Installation
57
Alternator
60
Alternator Removal
61
Alternator Installation
63
Drive Pulley/Kick Starter/Clutch/Driven Pulley
66
Drive Pulley
68
Left Crankcase Cover Removal
68
Kick Spindle Bearing Inspection
68
Bearing Replacement
69
Drive Belt Removal
69
Drive Belt Inpection
69
Movable Drive Face Removal/Disassembly
70
Movable Drive Face Disassembly
70
Movable Drive Face Inspection
71
Movable Drive Face Assembly
72
Movable Drive Face Installation
73
Left Crankcase Cover Installation
74
Kick Starter
75
Kick Starter Removal
76
Kick Starter Disassembly
77
Kick Starter Inspection
77
Kick Starter Assembly
79
Kick Starter Installation
80
Clutch/Driven Pulley
81
Clutch Removal
82
Drive Face Disassembly
83
Clutch/Driven Face Inspection
85
Driven Face Assembly
87
Driven Pulley Assembly
87
Clutch/Driven Pulley Installation
88
Final Reduction
89
Final Reduction Disassembly
91
Final Reduction Inspection
93
Final Reduction Installation
93
Transmission Cover Assembly
94
Crankcase/Crankshaft
97
Crankcase Separation
98
Crankshaft Removal
99
Crankshaft Inspection
99
Crankcase Assembly
101
Steering/Front Wheel/Front Brake/Front Fork
103
Speedometer
105
Headlight
106
Headlight Case Removal/Installation
107
Ignition Switch Replacement
108
Indicator Lamp Replacement
108
Handlebar Removal
109
Handlebar Installation
110
Front Wheel Removal
112
Front Wheel Axle Inspection
112
Wheel Bearing Inspection
112
Wheel Rim Inspection
113
Front Wheel Disassembly
113
Front Brake Drum Inspection
113
Front Wheel Assembly
114
Front Wheel Installation
114
Front Brake
115
Brake Lining Inspection
115
Brake Panel Disassembly
116
Brake Cam Assembly
116
Front Fork Removal
117
Front Fork Disassembly/Inspection
118
Front Spring Inspection
119
Front Fork Assembly/Installation
119
Steering Stem
120
Ball Race Disassembly/Assembly
120
Steering Stem Installation
121
Rear Wheel/Rear Brake/Rear Suspension
123
Rear Wheel Removal
124
Rear Wheel Rim Runout Inspection
124
Rear Brake Drum Inspection
125
Rear Wheel Installation
125
Rear Brake
126
Rear Brake Lining Thickness Inspection
126
Rear Brake Assembly
127
Shock Absorber Removal
128
Free Length
130
Electrical Equipment
132
Specific Gravity Test
134
Battery Charging
135
Charging System
136
Performance Test
137
Alternator Inspection
137
Technical Data
137
Silicon Rectifier Inspection
137
Ignition System
138
Ignition Circuit
138
Ignition Coil
139
C.D.I. Unit
140
Regulator/Rectifier
142
Resistor
142
Starting System
143
Starter Relay Inspection
143
Starter Motor Removal
143
Starter Motor Disassembly
144
Brush Inspection
144
Commutator Inspection
144
Starter Motor Assembly
145
Starter Motor Installation
145
Switches/Horn
146
Combination Horn
146
Turn Signal Switch
146
Headlight Dimmer Switch
146
Front/Rear Stop Light Switch
147
Engine Stop Switch
147
Starter Switch
147
Oil Level Sensor
148
Indicator Switch Inspection
148
Technical Features
149
C.D.I.
149
Automatic Choke
151
Bystarter Chamber
151
Control Box
151
V-Matic Drive
153
Oil Level Indicator
156
Blown Bulb Detection
156
Construction
156
Oil Level Detection
157
Troubleshooting
158
Engine will Not Start or Is Hard to Start
158
Engine Lacks Power
159
Poor Performance at Idle and Low Speed
159
Poor High Speed Performance
160
Steers to One Side or Does Not Track Straight
160
Starter Motor Does Not Rotate
161
Motor Rotates Sluggishly or Fails to Crank Engine
161
Starter Won't Stop Rotating
161
Indicator Lamp Does Not Light When Ignition Switch Is Turned on
162
Indicator Lamp Remains on with Sufficient Oil in Oil Tank
162
Wiring Diagram
163
Required Special Tools
166
Engine Tools
166
Chassis Tools
167
Convenience Tools
167
Crankcase Disassembly Tool Modification
167
Motorcycles in Dealer Inventory
170
Parts Information
170
Air Cleaner Bracket
171
Description of Defect
171
Owner Notification
171
Bracket Replacement Procedure
172

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Honda NU50 Shop Manual (175 pages)

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