Honda na50 express II Manuals

Manuals and User Guides for Honda na50 express II. We have 1 Honda na50 express II manual available for free PDF download: Shop Manual

Honda na50 express II Shop Manual (151 pages)

Brand: Honda | Category: Scooter | Size: 29.64 MB

Table of Contents
4
Features
6
Vehicle View
6
2-Stroke Engine, Fundamental Information
7
2-Stroke Cycle Principle
7
Port Timing
8
Reed Valve Construction
8
Location of Ports in Cylinder
8
2-Stroke Port and Valve Arrangement
9
Scavenging
10
Engine
11
Cylinder Head
11
Piston
12
Piston Ring Dowel
12
Ring Expander
12
Cylinder
13
Crankshaft/Crankcase
13
Starting System/Power Transmission System
14
Before Starting/Starting
14
Power Transmitting System
15
Starter Drive Sprocket
16
Starter Spring
16
Clutch
17
Lubrication System of 2-Cycle Engine
19
Separate/Mixed Lubrication
19
NC50 Lubrication System
19
Oil Pump
20
Lubrication System Operation
21
Lubricating Oil Flow
22
Carburetor
23
Choke Circuit
23
Servicing Procedures
25
Service Precautions
26
Inspection/Adjustment
27
Brake Lever Adjustment
27
Brake Shoe Inspection
27
Starter Lever Adjustment
28
Idle Adjustment
29
Fuel Level Check
29
Contact Breaker Point Gap
30
Ignition Timing
30
Air Cleaner Element
31
Oil Filter Cleaning
31
Spark Plug
32
Battery Electrolyte Level Check/Replenishment
32
Reading Specific Gravity of Electrolyte
32
Bleeding Oil Pump
33
L. Cover Oil Replacement/Level Check
33
Engine Removal/Installation
34
Cylinder Head/Cylinder/Piston
36
Piston Disassembly/Assembly
37
Piston Ring Disassembly/Assembly
37
Cylinder Head Decarbonizing
38
Exhaust Port Decarbonizing
38
Piston/Piston Ring Clearance
38
Piston Skirt O.D.
39
Cylinder I.D.
39
Piston Ring End Gap
40
Poston Pin O.D.
40
Piston Pin Hole I.D.
40
Engine Oil Pump
41
Engine AC Generator
42
Flywheel Disassembly/Assembly
43
Rotor Flange
43
Contact Breaker Disassembly
43
Contact Breaker Point
44
Engine L. Cover/Starter
45
L. Cover Disassembly Without Oil Renewed
45
L. Cover Disassembly When Oil Renewed
46
Starter Disassembly/Assembly
47
Starter Stopper Disassembly
48
Starter Drive Sprocket Disassembly
48
Starter Drive Sprocket Assembly
49
Starter Stopper Inspection
49
Starter Arm/Spring Inspection
49
Drive Sprocket
50
Clutch/Final Drive Gear
51
Drive Plate Disassembly/Assembly
52
Ball Bearing Assembly
52
Inspecting Drive and Driven Sprockets for Wear
53
Ball Bearing Looseness
53
Clutch Shoe Wear
54
Clutch Spring Tension
54
Crankcase and Crankshaft
55
L-Crankcase/R-Crankcase Disassembly
56
Crankcase/Oil Seal Assembly
56
Check Connecting Rod Small End Bearing Looseness
57
Check Bearing Looseness
57
Measure Connecting Rod Big End Bearing Side Clearance
57
Measure Crankshaft Runout
57
Engine: Carburetor
58
Air Cleaner
59
Carburetor Disassembly/Assembly
59
Main Jet/Slow Jet Clogging
60
Float Valve Operation
60
Throttle/Choke Wire Fray or Damage
60
Choke Valve/Throttle Valve Damage
60
Frame: Handlebar/Front Fork/Front Wheel
61
Front Wheel Disassembly/Assembly
62
Front Brake Arm Readjustment
62
Ball Race Disassembly/Assembly
63
Checking Ball Bearing Looseness
63
Checking Front Wheel Axle Bend
63
Wheel Hub I.D.
64
Brake Lining Thickness
64
Front Wheel Wobble
64
Rear Wheel/Rear Brake
65
Rear Brake Arm Resetting
65
Checking Ball Bearing Looseness/Measure Wheel Hub I.D.
66
Measure Brake Lining Thickness
66
Rear Shock Absorber/Fuel Tank
67
Rear Shock Absorber Disassembly
67
Electrical Accessories and Their Locations
68
Ignition Coil
69
Rectifier
69
Lighting Coil
69
Battery Charging
70
Main Switch
70
Dimmer/Horn Switch
70
Engine Stop Switch
70
Special Tools
71
Maintenance Schedule
72
Torque Specifications
73
Service Data: Engine/Frame
74
Troubleshooting
75
Specifications
79
Wiring Diagram
81
NA 50: Table of Contents
82
NA 50: Features
83
NA 50: Servicing Procedures
84
NA 50: Inspection/Adjustment
85
NA 50: Idle Adjustment
85
NA 50: Fuel Level
85
NA 50: Spark Plug
86
NA 50: Battery Electrolyte Level Check/Replenishment
86
NA 50: Engine Removal/Installation
87
NA 50: Handlebar/Front Fork/Front Wheel
89
NA 50: Rear Shock Absorber/Fuel Tank/Seat
90
NA 50: Seat
91
NA 50: Electrical Accessories and Their Locations
92
NA 50: Cable Routing
93
NA 50: Specifications
94
NA 50: Wiring Diagram
96
NC 50 '80 Addendum: Table of Contents
97
NC 50 '80 Addendum: Lubrication System
98
NC 50 '80 Addendum: Inspection/Adjustment
99
NC 50 '80 Addendum: Control Cable Lubrication
99
NC 50 '80 Addendum: Electrical Accessories and Their Locations
100
NC 50 '80 Addendum: Turn Signal
101
NC 50 '80 Addendum: Cable Routing
102
NC 50 '80 Addendum: Maintenance Schedule
103
NC 50 '80 Addendum: Specifications
104
NC 50 '80 Addendum: Wiring Diagram
106
NA 50 '80 Addendum: Table of Contents
108
NA 50 '80 Addendum: Cable Routing
109
NA 50 '80 Addendum: Specifications
110
NA 50 '80 Addendum: Wiring Diagram
112
NC50, NA50 '81 Addendum
113
NC50, NA50 '81 Addendum: Capacitor/Discharge Ignition
114
NC50, NA50 '81 Addendum: Automatic Choke
116
NC50, NA50 '81 Addendum: Automatic Choke Operation
117
NC50, NA50 '81 Addendum: NA50 Two-Speed Automatic Transmission
118
NC50, NA50 '81 Addendum: How the Transmission Works in 1St/2Nd Gear
119
NC50, NA50 '81 Addendum: Inspection and Adjustment
120
NC50, NA50 '81 Addendum: Ignition Timing
120
NC50, NA50 '81 Addendum: Bystander Element Cleaning
120
NC50, NA50 '81 Addendum: Throttle Grip
121
NC50, NA50 '81 Addendum: Idle Speed
121
NC50, NA50 '81 Addendum: Oil Pump Bleeding/Priming
122
NC50, NA50 '81 Addendum: Cylinder Head/Cylinder/Piston
123
NC50, NA50 '81 Addendum: Control Box
123
NC50, NA50 '81 Addendum: Fuel Lines Routing
123
NC50, NA50 '81 Addendum: Cylinder Replacement
123
NC50, NA50 '81 Addendum: Oil Pump
124
NC50, NA50 '81 Addendum: A.C. Generator
125
NC50, NA50 '81 Addendum: Kick Starter Disassembly/Assembly
126
NC50, NA50 '81 Addendum: Clutch Disassembly/Assembly
127
NC50, NA50 '81 Addendum: Electrical Accessory Locations
128
NC50, NA50 '81 Addendum: Charging Circuit
129
NC50, NA50 '81 Addendum: AC Generator Inspection
130
NC50, NA50 '81 Addendum: Rectifier Inspection
130
NC50, NA50 '81 Addendum: Ignition Circuit Inspection
131
NC50, NA50 '81 Addendum: Ignition Coil
131
NC50, NA50 '81 Addendum: CDI Unit
132
NC50, NA50 '81 Addendum: Tools
133
NC50, NA50 '81 Addendum: Cable and Wire Harness Routing
134
NC50, NA50 '81 Addendum: Turn Signal
135
NC50, NA50 '81 Addendum: Maintenance Schedule
136
NC50, NA50 '81 Addendum: Specifications
137
'81 NA 50 Wiring Diagram
139
'81 NC50 Wiring Diagram
140
NC50 '82 Addendum
141
NC50 '82 Addendum: Front Fork/Front Wheel
142
NC50 '82 Addendum: Fuel Tank/Seat/Rear Carrier
143
NC50 '82 Addendum: Electrical Component Locations
144
NC50 '82 Addendum: Cable and Wire Harness Routing
145
NC50 '82 Addendum: Fuel Line Routing
147
NC50 '82 Addendum: Maintenance Schedule
148
NC50 '82 Addendum: Specifications
149
NC50 '82 Addendum: Wiring Diagram
150

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Honda na50 express II Shop Manual (151 pages)

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