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ATC 90
Honda ATC 90 Manuals
Manuals and User Guides for Honda ATC 90. We have
3
Honda ATC 90 manuals available for free PDF download: Shop Manual, Owner's Manual, Service Manual
Honda ATC 90 Shop Manual (129 pages)
ATC 90 1973-1978/ ATC 110 1970-1981
Brand:
Honda
| Category:
Offroad Vehicle
| Size: 37.45 MB
Table of Contents
Safety Notice
3
General Service Precautions
5
Special Tools
6
Inspection and Adjustments
7
Engine Inspection
7
Servicing the Air Cleaner Element
7
Brake Adjustment
8
Drive Chain Adjustment
9
Engine Removal
10
Engine Installation
12
Principal Changes to the CT90
14
Chassis
15
Front Wheel Disassembly
15
Front Wheel Inspection and Repair
15
Front Wheel Reassembly
16
Rear Wheel Removal
18
Rear Wheel Inspection and Repair
18
Rear Wheel Installation
18
Drive Mechanism Disassembly
19
Drive Mechanism Inspection and Repair
21
Drive Mechanism Reassembly
21
Steering System Disassembly
25
Steering System Inspection and Repair
27
Steering System Reassembly
27
Brake Disassembly
30
Brake Inspection and Repair
31
Brake Reassembly
31
Frame Body Disassembly
33
Frame Body Inspection and Repair
35
Frame Body Reassembly
35
Major Differences between ATC90 and US90
37
Engine Mounting Bracket
37
Step
37
Exhaust Muffler
38
Drive Mechanism
39
Steering System
40
Steering System Inspection and Reassembly
42
New Mechanisms and Major Modified Points of ATC90K3 from ATC90K2
44
Chain Guide
44
Chain Case Inspection Window
44
Chain Tensioner, Tires
44
Ignition Coil and Condenser Removal, Inspection and Reinstallation
45
Carburetor Fuel Cock
45
Choke Lever
45
Engine
46
Left Crankcase Cover and Rotor
46
Left Crankcase Cover and Rotor Reassembly
50
Piston and Cylinder Disassembly
51
Piston and Cylinder Inspection and Repair
55
Cylinder and Piston Checks
59
Cylinder and Piston Reassembly
60
Cam Chain Tensioner and Cam Chain Construction
64
Cam Chain Tensioner Disassembly
64
Cam Chain Tensioner Inspection
65
Cam Chain Tensioner Reassembly
65
Cam Chain Disassembly
65
Cam Chain Assembly
65
Clutch and Oil Pump Disassembly
66
Oil Pump
68
Gear Shift
68
Clutch and Oil Pump Inspection
68
Clutch and Oil Pump Reassembly
70
Carburetor Assembly & Disassembly
72
Carburetor Inspection
73
Carburetor Reassembly
74
Float Level Adjustment
74
Carburetor Adjustment
75
Tappets
76
Contact Breaker Point Gap and Ignition Timing
76
Ignition Timing Inspection
77
Spark Plug Adjustment
78
Clutch Adjustment
79
Cam Chain
79
Checking the Engine Oil Level
79
Changing the Engine Oil
80
Chassis Exploded View
81
Front Wheel - to Disassemble
81
Front Wheel: Inspection and Repair
83
Cold-Patch Repair
83
Rubber Plug Repair
84
Front Wheel: Reassembly
84
Rear Wheels and Drive Mechanism Exploded View
88
Rear Wheels and Drive Mechanism Removal and Disassembly
88
Rear Wheels and Drive Mechanism Inspection and Repair
92
Rear Wheels and Drive Mechanism Reassembly
92
Installing New Parts to Old Model Motorcycle
96
Rear Wheels Bosses Installation
96
Chain Guide Installation
96
Technical Data and Wiring Diagram
97
Optional Parts
98
Wiring Diagram US90
98
Wiring Diagram ATC90K3
99
Addendum Sheed ATC90 '77 - Wheel Exploded View
100
Wheel Disassembly
101
Wheel Inspection and Repair
101
Wheel Assembly (ATC90 '77)
103
Specifications (ATC90 '77)
104
ATC110 '79 Addendum
106
ATC110 '79 Specifications
107
ATC110 '79 Wiring Diagram
108
ATC110 '79 Cable and Harness Routing
109
ATC110 '79 Torque Tables
110
ATC110 '79 - Tools
111
ATC110 '79 - Service Data
112
ATC110 '79 - Maintenance Schedule
113
ATC110 '79 - Carburetor Inspection and Adjustment
114
ATC110 '79 - Carburetor High Altitude Adjustment
115
ATC110 '79 - Throttle Cable Adjustment
116
Fuel Filter Cleaning
116
ATC110 '79 - Brake Lever/Parking Brake
117
ATC110 '79 - Clutch Exploded View
117
ATC110 '81 - Addendum Sheet
118
ATC110 '81 - Specifications
119
ATC110 '81 - Maintenance Schedule
120
ATC110 '81 - Wiring Diagram
121
ATC110 '81 - Torque Values
121
ATC110 '81 - Cable and Harness Routing
122
ATC110 '81 - Ignition System Diagrams
123
ATC110 '81 - Ignition Coil Inspection and Adjustment
124
ATC110 '81 - AC Generator
124
ATC110 '81 - Lighting Coil, Exciter Coil
124
ATC110 '81 - Pulser Generator
124
ATC110 '81 - Ignition Timing
125
ATC110 '81 - CDI Unit Removal and Inspection
125
ATC110 '81 - Drive Chain (Removal of Endless Drive Chain)
126
ATC110 '81 - Drive Chain Cleaning and Lubrication
128
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Honda ATC 90 Owner's Manual (76 pages)
Brand:
Honda
| Category:
Offroad Vehicle
| Size: 2.02 MB
Table of Contents
Preface
4
Contents
5
Serial Number Location
7
Nomenclature
8
Product View
9
Operating Instructions
10
Main/Headlight Switch
10
Emergency Switch
10
Parking Brake
11
Gear Change Pedal
12
Neutral Indicator
13
Posi-Torque Speed Range Selector
14
Choke Lever and High Altitude Compensator Knob
15
Fuel Valve
16
Fuel Tank
17
Oil Recommendation
18
Recommended Viscosity
18
Engine Oil Level
19
Throttle Lever
20
Tire
21
Recommended Pressure
21
Pre-Riding Inspection
22
Arting the Engine
23
Break-In Procedure
25
Riding
25
Parking
25
Storage
26
Maintenance Schedule
27
Every Year
28
Tool Kit
29
Maintenance Operations
31
Engine Oil Change
31
Brake Adjustment
33
Brake Lever
34
Drive Chain Adjustment
35
Drive Chain Lubrication
36
Valve Tappet Adjustment
37
Contact Breaker Point Adjustment
39
Ignition Timing
40
Spark Plug Replacement + Adjustment
41
Air Cleaner Maintenance
42
Throttle Cable Inspection + Adjustment
44
Carburetor Adjustment
45
Fuel Strainer Maintenance
46
Clutch Adjustment
47
Cam Chain Adjustment
48
Spark Arrestor Maintenance
49
Safety Precautions
51
Turning Maneuvers
52
Skidding
54
Climbing Hills
56
Descending Hills
58
Traversing Slopes
59
Riding through Water
60
Tire Care
61
Transporting the ATC
62
Fuel
62
Draining Fuel from the Tank and Carburetor
63
Draining Fuel from the Carburetor Only: ATC Equipped with Sealing Fuel Tank Cap
64
Removing the Rear Wheels
65
Installing the Rear Wheels
66
Removing the Front Wheel
67
Installing the Front Wheel
68
Front Mud Guard
69
Rear Mud Guard
70
Parts List
71
Specifications
72
Wiring Diagram
74
Honda ATC 90 Service Manual (33 pages)
Brand:
Honda
| Category:
Bicycle
| Size: 35.6 MB
Table of Contents
Index
1
Serial Number Locations
2
Checking/Changing Oil
2
Oil Filters
2
Clutch Centrifugal Oil Filter
2
Service Checks and Adjustments
3
Drive Chain
3
Chassis Lubrication
3
Clutch
3
Rear Brake (ATC 70/90/110/125)
4
Tires
4
Steering Head Bearings
4
Air/Fuel Filter
4
Periodic Maintenance Intervals
5
Recommended Lubricants
5
Carburetor
5
Spark Arrestor
5
Compression Test
6
Cam Chain Tension
6
Valve Adjstment
6
Timing Inspection Hole
6
Contact Breaker Points Location/Replacement/Gapping (ATC 90/110/70)
7
Ignition Timing
7
Timing Light on Breaker Point Ignition 90 and 110S
7
Tune-Up Specifications
8
Float Level
8
Adjust Float Level by Bending the Tang
8
Base Plate Screws
8
Engine Removal and Installation (ATC 70/90/110/125)
9
Top End
9
Idle Speed and Mixture
9
Direction of Travel
9
Inspection and Installation
10
ATC 90/110/125 Removal
10
Cam Sprocket Bolts (ATC 90-125)
10
Cylinder Head Nuts
10
Top End Assembly
11
Cylinder Head Base Screws
11
Compression Ring Profiles
11
Cylinder and Piston Assembly
11
Install Rings with Manufacturer's Mark up
12
Position Ring End Gaps Around the Piston as Shown
12
Valve Assembly
12
Rotor Timing Marks
12
Right Crankcase Cover Components
13
Removal ATC 70/90/110/125
13
Primary Driven Gear Circlip
13
All Models Removal
14
Clutch Inspection/Assembly
14
Shift Mechanism/Oil Pump Inspection
14
Clutch Roller, Plunger and Spring Assembly
14
Left Crankcase Cover Components
15
ATC 70/90/100 Removal/Inspection/Installation
15
ATC 125 Removal
15
Install the Clutch Lever
15
ATC 125 Inspection/Installation
16
Sub-Transmission Components
16
Recoil Starter Nut, Ratchet Cover and Guide
16
Engagement the End of the Coil Spring
16
Recoil Starter/Magneto/Engine Sprocket/Crankcase Covers/Gear Assemblies Inspection
17
Splitting the Crankcase
17
Sprocket Wear Patterns
17
Correct Oil Seal Installation
17
ATC 70 Engine Specifications
18
Crankshaft/Crankcases/Transmission Inspection
18
Crankcase/Transmission Assembly
18
Checking Big End Side Clearance
18
ATC 70/90 Engine Specifications
19
ATC 110 Engine Specifications
20
ATC 125 Engine Specifications
21
Engine Torque Specifications
22
General Torque Specifications
23
Gas Tank Removal/Installation
23
Carburetor Removal/Disassembly/Inspection/Assembly
23
Electrical System
24
Fuel Petcock/Lines
24
Tank/Carburetor-Mounted
24
Carburetor Assembly and Installation
24
Breaker Point Ignition
25
Charging Circuit (ATC 125)
25
Starting System (ATC 125)
25
Condenser
25
Starter Motor Removal/Disassembly/Inspection/Assembly/Installation
26
Ignition/Engine Stop/Lighting/Neutral Switch
26
Starter Button
26
Checking Commutator Segment Continuity
26
Front Wheel Removal and Installation
27
Front Brake Removal/Inspection/Disassembly
27
Wheel Nuts
27
Checking Brake Lining Thickness
27
Front Wheel Bearings
28
Rear Brake Removal
28
Front Brake Assembly/Installation
28
Removing Bearings from the Hub
28
Front End Bearing Adjustment/Removal
29
Rear Brake Disassembly/Assembly/Installation
29
Installation of the Hub with the Outside out
29
Upper Triple Clamp Steering Stem Nut and Fork Tube Bolts
29
Rear Axle Removal/Inspection/Installation
30
Front End Inspection/Installation
30
Brake Drum Nuts
30
Brake Cover Bolts
30
Chassis Torque Specifications
31
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