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Yamaha Mio manuals available for free PDF download: Service Manual
Yamaha Mio Service Manual (305 pages)
manual service book
Brand:
Yamaha
| Category:
Scooter
| Size: 17.65 MB
Table of Contents
Table of Contents
7
General Information
6
Specifications
6
Periodic Checks and Adjustments
6
Table of Contents
7
General Information
11
Motorcycle Identification
11
Vehicle Identification Number
11
Engine Serial Number
11
Important Information
12
Preparation for Removal and Disassembly
12
Replacement Parts
12
Gaskets, Oil Seals and O-Rings
12
Lock Washers/Plates and Cotter Pins
13
Bearings and Oil Seals
13
Circlips
13
Checking the Connections
14
Special Tools
15
Gen Info
19
General Specifications
21
Specifications
21
Engine Specifications
22
Chassis Specifications
29
Electrical Specifications
32
Conversion Table
35
General Tightening Torque Specifications
35
Engine Tightening Torques
36
Tightening Torques
36
Chassis Tightening Torques
38
Engine Lubrication Points and Lubricant Types
40
Lubrication Points and Lubricant Types
40
Chassis Lubrication Points and Lubricant Types
41
Cable Routing
42
Chapter 3 Periodic Checks and Adjustments
53
Introduction
55
Periodic Checks and Adjustments
55
Periodic Maintenance and Lubrication Chart
55
Covers
57
Installing the Seat and Side Covers
57
Removing the Seat and Side Covers
57
Removing the Front Cowling and Leg Shield
58
Installing the Front Cowling and Leg Shield
60
Installing the Headlight Assembly
61
Removing the Headlight Assembly
61
Adjusting the Valve Clearance
62
Engine
62
Adjusting the Engine Idling Speed
64
Adjusting the Throttle Cable Free Play
66
Checking the Spark Plug
67
Measuring the Compression Pressure
68
Checking the Engine Oil Level
70
Changing the Engine Oil
71
Changing the Transmission Oil
72
Cleaning the Air Filter Element
73
Checking the V-Belt
74
Cleaning the V-Belt Case Air Filter Element
75
Checking the Carburetor Joint and Intake Manifold
76
Checking the Fuel and Vacuum Hoses
77
Checking the Breather Hoses
78
Checking the Exhaust System
78
Adjusting the Rear Brake
79
Chassis
79
Checking the Brake Fluid Level
79
Checking the Front Brake Pads
80
Checking the Front Brake Hose
81
Checking the Rear Brake Shoes
81
Bleeding the Hydraulic Brake System
82
Checking and Adjusting the Steering Head
83
Checking the Front Fork
85
Checking the Tires
85
Checking and Tightening the Spokes
88
Checking the Wheels
88
Checking and Lubricating the Cables
89
Lubricating the Levers
89
Lubricating the Sidestand
89
Lubricating the Centerstand
90
Checking and Charging the Battery
91
Chk Adj
91
Electrical System
91
Checking the Fuse
95
Replacing the Headlight Bulb
96
Adjusting the Headlight Beam
97
Chapter 4 Engine
99
Eng
99
Carburetor
103
Covers
103
Engine Oil
103
Removing the Engine
103
Cable and Hose
104
Muffler
104
Engine Assembly
105
Rear Shock Absorber Assembly Bolt
105
Cable and Hose
106
Engine Assembly
106
Installing the Engine
106
Rear Shock Absorber Assembly Bolt
106
Muffler
107
Carburetor
108
Covers
108
Engine Oil
108
Cylinder Head
109
Removing the Cylinder Head
110
Checking the Cylinder Head
113
Checking the Timing Chain Guide
114
Checking the Timing Chain Tensioner
114
Installing the Cylinder Head
114
Camshaft
119
Removing the Rocker Arms and Camshaft
120
Checking the Camshafts
121
Checking the Rocker Arms and Rocker Arm Shafts
122
Checking the Camshaft Sprocket
123
Checking the Tappet Covers and Camshaft Sprocket Cover
123
Installing the Camshafts and Rocker Arms
123
Valves and Valve Springs
125
Removing the Valves
126
Checking the Valves and Valve Guides
127
Checking the Valve Seats
129
Checking the Valve Springs
131
Installing the Valves
132
Cylinder and Piston
134
Removing the Cylinder and Piston
135
Checking the Piston Rings
137
Checking the Piston Pin
138
Installing the Piston and Cylinder
139
Kickstarter
141
Disassembling the Kickstarter Shaft
142
Removing the Kickstarter
142
Checking the Kickstarter
143
Assembling the Kickstarter
144
Installing the Kickstarter
144
Belt Drive
146
V-Belt, Primary and Secondary Sheave
146
Removing the Secondary Sheave and V-Belt
148
Removing the Primary Sheave
149
Disassembling the Secondary Sheave
150
Checking the Clutch Housing
151
Checking the Secondary Sheave
152
Checking the V-Belt
152
Assembling the Primary Sheave
153
Assembling the Secondary Sheave
155
Installing the Belt Drive
157
Starter Clutch
159
Removing the Starter Clutch
160
Installing the Starter Clutch
161
A.C. Magneto
163
Removing the A.C. Magneto
164
Installing the A.C. Magneto
165
Oil Pump
166
Removing the Oil Pump
167
Checking the Oil Pump
168
Assembling the Oil Pump
169
Checking the Oil Strainer
169
Transmission
171
Checking the Transmission
173
Installing the Transmission
173
Crankshaft
175
Disassembling the Crankcase
176
Removing the Crankshaft Assembly
177
Checking the Crankshaft and Connecting Rod
178
Checking the Timing Chain and Timing Chain Guide
178
Checking the Bearings and Oil Seals
179
Checking the Crankcase
179
Assembling the Crankcase
180
Installing the Crankshaft
180
Carb
183
Carburetor
185
Removing the Carburetor
186
Checking the Carburetor
188
Assembling the Carburetor
191
Measuring and Adjusting the Fuel Level
192
Checking the Fuel Cock Operation
193
Installing the Carburetor
193
Fuel Tank
195
Removing the Fuel Tank
195
Installing the Fuel Tank
196
Air Filter Case
197
Installing the Air Filter Case
197
Removing the Air Filter Case
197
Chas
199
Front Wheel and Brake Disc
201
Removing the Front Wheel
202
Checking the Front Wheel
203
Checking the Brake Disc
205
Checking the Speedometer Gear Unit
206
Installing the Front Wheel
207
Rear Wheel and Brake
209
Removing the Rear Wheel and Rear Brake
210
Checking the Rear Wheel
211
Checking the Brake
212
Installing the Rear Wheel and Rear Brake
213
Front Brake
215
Front Brake Caliper
215
Replacing the Front Brake Pads
216
Disassembling the Front Brake Caliper
218
Checking the Front Brake Caliper
219
Front Brake Master Cylinder
223
Disassembling the Front Brake Master Cylinder
224
Checking the Front Brake Master Cylinder
226
Assembling and Installing the Front Brake Master Cylinder
227
Front Fork
231
Removing the Front Fork Legs
232
Disassembling the Front Fork Legs
233
Checking the Front Fork Legs
234
Assembling the Front Fork Legs
235
Installing the Front Fork Legs
238
Handlebar
239
Removing the Handlebar
240
Checking the Handlebar
242
Installing the Handlebar
242
Steering Head
245
Removing the Lower Bracket
246
Checking the Steering Head
247
Installing the Steering Head
248
Elec
253
Electrical Components
255
Electrical System
255
Checking Switch Continuity
257
Checking the Switches
259
Checking the Bulbs and Bulb Sockets
261
Types of Bulbs
261
Checking the Condition of the Bulb Sockets
263
Checking the Condition of the Bulbs
263
Circuit Diagram
264
Ignition System
264
Troubleshooting
265
Circuit Diagram
269
Electric Starting System
269
Starting Circuit Cut-Off System Operation
270
Troubleshooting
271
Starter Motor
274
Disassembling the Starter Motor
275
Removing the Starter Motor
275
Checking the Starter Motor
276
Assembling the Starter Motor
278
Installing the Starter Motor
279
Charging System
280
Circuit Diagram
280
Troubleshooting
281
Circuit Diagram
283
Lighting System
283
Troubleshooting
284
Checking the Lighting System
286
Circuit Diagram
288
Signaling System
288
Troubleshooting
289
Checking the Signaling System
290
Trbl Shtg
297
Electrical System
299
Troubleshooting
299
Compression System
300
Intake and Exhaust System
301
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Yamaha Mio Service Manual (74 pages)
Brand:
Yamaha
| Category:
Scooter
| Size: 36.81 MB
Table of Contents
Table of Contents
2
Schematic Diagram
3
Steel Rodent Technologies
5
74LS20 Dual 4-Input Nand Gate
10
Pin Connections (Top View)
10
Truth Table
10
IEC Logic Symbol
10
U2, U12, U24 74LS175 QUAD D Flip-Flop
11
Connection Diagram Tip (Top View)
11
Pin Names
11
Logic Diagram
11
Functional Description
12
U3, U4 74LS138 3-TO-8 Line Decoder
13
Pin Assignment for DIP, SOIC, SOP and TSSOP Data Outputs
13
U57407 HEX Buffer/Driver
15
U6 6551 Asynchronous Communication Interface Adapter (ACIA)
16
Features
16
Description
16
Block Diagram
16
Write Cycle
17
Crystal Specifications
17
Clock Generation
17
Write Timing Characteristics
17
Read Cycle
18
Read Timing Characteristics
18
Transmit/Receive Characteristics
19
Interface Signal Description
19
Acia/Modern Interface Signal Description
20
Internal Organization
20
Control Register
21
Command Register
22
Status Register
22
Transmit and Receive Data Registers
22
U7, U10 74LS04 HEX Inverter
23
U8 74LS02 QUAD 2-Input nor Gate
24
U9, U25 74LS93 4-BIT Binary Counter
25
Connection Diagram DIP (Top View)
25
U11 74LS10 Triple 3-Input Nand Gate
28
U13, U21, U67, U69 74LS00 QUAD 2-Input NAND Gate
29
U14, U26, U29, U49, U68 74LS244 Octal Buffer/Line Driver with Tri-State Outputs
30
U15 27C128 16K X 8 EPROM
31
U16, U20 74LS73A Dual J-K Flip-Flop with Clear
32
U17 MC1489P Quad Line Receiver
35
U18 LM3086 Transistor Array
36
U19 74HC4046 Phase Locked Loop
37
Logic Diagram for VCO
39
Phase Comparators
39
Typical Phase Comparator I Waveforms
40
Phase Comparator State Diagrams
41
PLL State Tables
41
Logic Diagram for Phase Comparator II
42
Typical Phase Comparator II Output Waveforms
42
Detailed Circuit Description
43
U22 74LS139 Dual 1-Of-4 Decoder/Demultiplexer
44
U23 74LS158 Quad 2-Input Multiplexer
46
U27, U48 74LS374 Octal D-Type Flip-Flop; Positive Edge Trigger; Tri-State
48
U28 74LS240 Octal Biffer/Line Driver with 3-State Outputs
50
U47 MDP1603-330G and U50 MDP1605 221/331G DIP Package Resistor Networks
51
Technical Specifications
52
Mechanical Specifications
52
Impedance Codes
53
Circuit Applications
53
MIO Dram Timing
54
Understanding the DRAM Timing Diagram
55
Reading Data from Memory
56
Simplified Read Cycle
56
Writing Data to Memory
57
Simplified Write Cycle
57
Refreshing the Memory
58
Using CAS before RAS Refresh (CBR)
58
Using RAS Only Refresh (ROR)
58
Self Refresh (SR)
58
Hardware Description
59
ACIA Operation
59
SASI/SCSI Interface
59
Printer Interface
59
MIO Register Selection
60
ACIA Command Register
61
ACIA Control Register
62
Addressing the RAM
63
Checking IRQ Status
63
Accessing the ROM
63
Software Description
64
MIO Configuration Parameters
64
MIO Operating Variables
65
RS-232 Handler Functions and Tables
66
Opening the RS-232 Port
66
Closing the RS-232 Port
66
Input Character or Line from the RS-232 Port
67
Output Character or Line to the RS-232 Port
67
Reading the Port Status
67
Meaning of Error Bits from Location 746
68
Forcing Early Transmission of Output Blocks
68
Meaning of Status Bits from Location 747
68
Controlling Outgoing Lines DTR, RTS, and XMT
68
Control Values Added to Aux1 (XIO 34)
69
Setting Baud Rate, Stop Bits, and Ready Checking
69
Codes to Add to Aux1 (XIO 36)
69
Setting Translation Modes and Parity
69
Control Values Added to Aux1 (XIO 38)
70
Setting Concurrent Mode
70
Standard Printer & MODEM Cables
71
DTE Serial Printer Cable Connections
72
Null MODEM Cable Connections
72
Directly Compatable SCSI / SASI Devices
73
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