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TRX70 Fourtrax 1986
Honda TRX70 Fourtrax 1986 User Manual
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B6-B7
TRX70
FOURTRAX
2
Table of Contents
Contents
2
General Information
3
General Safety
3
Service Rules
3
Carburetor Identification Number
4
Engine Serial Number
4
Frame Serial Number
4
Model Identification
4
Specifications
5
Standard Torque Values
7
Torque Values
7
Tools
8
Cable & Harness Routing
9
Noise Emission Control System
12
Engine Lubrication System
14
Lubrication Service Information
15
Lubrication Specifications
15
Lubrication Torque Values
15
Lubrication Troubleshooting
15
Engine Oil Change
16
Engine Oil Level
16
Oil Filter Rotor and Screen
17
Control Cable Lubrication
18
Lubrication Points
18
Maintenance
19
Maintenance Schedule
20
Fuel Line
22
Fuel Strainer Screen
22
Throttle Operation
22
Air Cleaner
23
Spark Plug
24
Valve Clearance
24
Carburetor Idle Speed
25
Cylinder Compression
25
Drive Chain
26
Brake Shoe Wear
28
Brake System
28
Drive Chain Slider
28
Front
28
Rear
29
Clutch System
30
Nuts, Bolts, Fasteners
31
Spark Arrester Cleaning
31
Wheels/Tires
31
Steering System
32
Fuel System Service Information
35
Fuel System Specifications
35
Fuel System Tool
35
Fuel System Torque Value
35
Fuel System Troubleshooting
36
Air Cleaner Case
37
Fuel Tank Installation
37
Fuel Tank Removal
37
Carburetor Removal
38
Throttle Valve Disassembly
38
Carburetor Disassembly
39
Carburetor Assembly
40
Float Level Inspection
40
Carburetor Installation
41
Throttle Valve Assembly
41
High Altitude Adjustment
42
Pilot Screw Adjustment
42
Engine Removal/Installation
44
Engine Removal/Installation Service Information
45
Engine Removal/Installation Specifications
45
Engine Removal/Installation Torque Values
45
Engine Removal
46
Engine Installation
47
Cylinder Head/Valves
48
Cylinder Head/Valves Service Information
49
Cylinder Head/Valves Specifications
49
Cylinder Head/Valves Tools
50
Cylinder Head/Valves Torque Values
50
Cylinder Head/Valves Troubleshooting
50
Low Compression
50
Cylinder Head Removal
51
Cylinder Head Disassembly
52
Cylinder Head Inspection
53
Rocker Arm
53
Rocker Arm Shaft
53
Camshaft
54
Cylinder Head
54
Valve Spring
54
Valve Guide
55
Valve Guide Replacement
55
Valve Stem
55
Valve Seat Inspection/Refacing
56
Valve Seat Grinding
57
Cylinder Head Assembly
58
Cylinder Head Installation
60
Cylinder/Piston
64
Cylinder/Piston Service Information
65
Cylinder/Piston Specifications
65
Cylinder/Piston Torque Values
65
Cylinder/Piston Troubleshooting
65
Cylinder Removal
66
Piston Removal
66
Piston and Piston Pin
67
Piston Ring
67
Piston Ring Installation
68
Cylinder Installation
69
Piston Installation
69
Clutch/Oil Pump/Gearshift Linkage
72
Table of Contents
73
Clutch/Oil Pump/Gearshift Linkage Service Information
73
Clutch/Oil Pump/Gearshift Linkage Specifications
73
Clutch/Oil Pump/Gearshift Linkage Tools
73
Clutch/Oil Pump/Gearshift Linkage Torque Values
73
Clutch/Oil Pump/Gearshift Linkage Troubleshooting
74
Clutch Lifter Removal
75
Right Crankcase Cover Removal 8·3
75
Clutch Removal 8·4
76
Clutch Oisassembl y
77
Clutch Inspection
78
Gearshift Linkage Installation
79
Gearshift Linkage Removal
79
Oil Pump Inspection
80
Oil Pump Removal
80
Oil Pump Installation
81
(13) Drive Gear
82
Clutch Assembly
82
Clutch Center Guide
82
Clutch Installation
83
Brake Pedal Pivot Installation
85
Brake Pedal Pivot Removal
85
Right Crankcase Cover Installation
86
Recoil Starter/Alternator/Cam Chain Tensioner
88
Common
89
Recoil Starter/Alternator/Cam Chain Tensioner Service Information
89
Recoil Starter/Alternator/Cam Chain Tensioner Specifications
89
Recoil Starter/Alternator/Cam Chain Tensioner Tools
89
Recoil Starter/Alternator/Cam Chain Tensioner Troubleshooting
89
Torque Values
89
Recoil Starter Removal
90
Alternator Removal
91
Cam Chain Tensioner
92
Installation 8
92
Alternator Installation
93
Left Crankcase Cover Installation
93
Recoil Starter Installation
93
Transmission/Crankshaft Service Information
97
Transmission/Crankshaft Specifications
97
Transmission/Crankshaft Tools
97
Transmission/Crankshaft Troubleshooting
97
Crankcase Separation
98
Crankshaft Removal/Inspection
98
Timing Sprocket Inspection
99
Transmission Disassembly
100
Transmission Inspection
100
Bearing Replacement
101
Crankcase Assembly
103
Front Wheel/Brake/Steering System
106
Front Wheel/Brake/Steering System Service Information
107
Front Wheel/Brake/Steering System Specifications
107
Front Wheel/Brake/Steering System Tools
107
Front Wheel/Brake/Steering System Torque Values
107
Ft-Ib)
107
Kg-M. 22-29 Ft-Ib)
107
MM Linl
107
Front Wheel Wobbling
108
Front Wheel/Brake/Steering System Troubleshooting
108
Hard Steering
108
Poor Brake Performance
108
Handlebar Removal
109
Handlebar Installation
110
Front Wheel Installation
112
Front Wheel Removal
112
Tires Removal
113
Tire Repair
115
Ft-Ib
116
Brake Drum Bearing Inspection
117
Front Brake Inspection
117
Brake Drum Bearing Replacement
118
Brake Pedal Removal
119
Brake Panel Assembly
120
Kingpin/Knuckle and Tie-Rod Removal
123
Kingpin/Knuckle Inspection
123
Steering Stem
123
Tie-Rod Inspection
123
Bushing Inspection
124
Kingpin Bushing Inspection
124
Steering Shaft Inspection
124
Steering Shaft Removal
124
Steering Shaft Bearing Replacement
125
Kg-M
128
Rear Wheel/Brake/Drive Mechanism
128
Rear Wheel/Brake/Drive Mechanism Service Information
129
Rear Wheel/Brake/Drive Mechanism Tools
129
Rear Wheel/Brake/Drive Mechanism Torque Values
129
Rear Wheel/Brake/Drive Mechanism Troubleshooting
129
Rear Brake Removal
130
Rear Wheel Removal
130
Rear Brake Pedal
132
Drive Mechanism Removal
133
Drive Mechanism Inspection
134
Drive Mechanism Bearing Replacement
135
Drive Mechanism Installation
135
REAR BRAKE INSTALLA Non
136
Rear Wheel Installation
138
Fenders Removal
139
Fenders/Exhaust Pipe
139
Fenders Installation
140
Exhaust Pipe Removal
141
Kg-M
141
Kg-M
142
Ignition System Service Information
145
Ignition System Specifications
145
Ignition System Tools
145
Ignition System Troubleshooting
145
Ignition Coil Inspection Continuity Test
146
Ignition Coil Installation
146
Ignition Coil Performance Test
146
Ignition Coil Removal
146
Alternator Exciter Coil
147
CDI Unit
147
Inspection Continuity Test
147
Ignition Timing
148
Pulse Generator
148
Engine Stop Switch
149
Ignition Switch Inspection
149
Ignition Switch Replacement
149
Neutral Switch
150
Wiring Diagrams
151
Engine Does Not Start or Is Hard to Start
153
Troubleshooting
153
Engine Lacks Power
154
Poor Performance at Low and Idle Speed
155
Poor Handling
156
Poor Performance at High Speed
156
Index
157
5
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Honda TRX70 Fourtrax 1986 Specifications
General
Brand
Honda
Model
TRX70 Fourtrax 1986
Category
Offroad Vehicle
Language
English
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