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Yamaha Manuals
Motorcycle
DT80MX
Service manual
Table Of Contents - Yamaha DT80MX Service Manual
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Table Of Contents
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Table of Contents
Machine Identification
3
Special Tools And Gauges
4
Notes On Maintenance
6
Notes On Disassembly And Reassembly
9
Features
11
Principles Of Operation
13
Compression Stroke
14
Handling Notes
15
Note On Scrapping
16
Gas Extraction
16
Periodic Inspection And Adjustment
17
Maintenance And Lubrication Interval Chart
17
Engine
23
Motor
23
Transmission Oil
24
Clutch Adjustment
26
Carburetor
27
Autolube Pump
29
Minimum Pump Stroke Checking
30
Air Bleeding
31
Chassis
33
Fuel Filter Cup
33
Tire Pressure
34
Brake Adjustment
34
Brake Indicator
36
Rear Brake Light Adjustment
36
Drive Chain
37
Drive Chain Tension Adjustment
37
Spokes
38
Steering Inspection
39
Electrical
40
Battery Inspection
40
Spark Plug Inspection
42
Contact Breaker Points
43
Ignition Timing Adjustment
44
Sevice Point: Engine
47
Piston And Piston Ring
48
Piston Ring End Gap
50
Piston Clearance
51
Standard Cylinder Bore Diameter
52
Decarbonizing
55
Cylinder Head
55
Crankcase Disassembly
56
Flywheel Holding Tool
56
Flywheel Puller
56
Crankcase Separating Tool
57
Crankshaft
58
Small End Freeplay
59
Crankshaft Deflection
59
Thrust Clearance At The Big End
60
Clutch
62
Clutch Holding Tool
64
Transmission
66
Shifter 1, 2
67
Change Adjustment
68
Free Wheel
69
Carburetor Overview
70
Wear On Needle Valve
71
Chassis: Front Fork
73
Fork Oil Replacing
74
Steering Head
76
Crank Pedal
77
Wheel
78
Brake Indicator: Camshaft Lever Adjustment
80
Brake Shoe Replacement
81
Brake Shoe
82
Scratches On Brake Drum
82
Wheel Run-Out
84
Drive Chain And Sprocket
85
Stretch Of The Chain
85
Drive Sprocket Gear
86
Electrical Ignition System
87
Checking Contact Breaker Points
88
Checking The Ignition Coil
89
Flywheel Magnet (Charge Coil)
89
Connector And Switch
90
Charging System Service Points
91
Checking Battery
91
Checking Fuse
92
Checking Charging Current
92
Checking Recfitier
93
Wireharness And Connector
94
Lighting System: Service Point
95
Checking Switches
95
Flywheel Magneto (Lighting Coil)
96
Cable Routing Diagram
97
Wire Routing
103
Pipe Routing
104
Taillight Wire Routing
104
Specifications
107
Maintenance Specification
109
Tightening Torque
113
Wiring Diagram
128
Color Code
129
Wiring Diagrams
132
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This manual is also suitable for:
Dt 50
Dt 50 mx
Dt 80 mx
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