Yamaha MX300 Manuals

Manuals and User Guides for Yamaha MX300. We have 2 Yamaha MX300 manuals available for free PDF download: Service Manual, Owner's Manual

Yamaha MX300 Service Manual

Yamaha MX300 Service Manual (124 pages)

Brand: Yamaha | Category: Outboard Motor | Size: 3.08 MB

Table of Contents

Table of Contents
8
General Information
11
Machine Identification
11
Serial Number
11
Starting Serial Number
11
Dimensions
12
Dimension Chart
12
Top
13
Mounting Base
13
Left Side
14
Front
15
Important Information
16
Preparation for Removal and Disassembly
16
Caution on Service
16
Notes on Service
16
All Replacement Parts
17
Gaskets, Oil Seals, and O-Rings
17
Bearings and Oil Seals
18
Basic Service Information
18
Electrical System
18
Special Tools and Testers
22
Periodic Checks and Adjustments
23
Introduction
23
Maintenance Intervals Chart
23
Periodic Maintenance/Lubrication Intervals
23
Periodic Maintenance
25
Spark Plug
25
Fuel Leakage
26
Engine Oil Leakage
26
Engine Oil Level
26
Replacing the Engine Oil
27
Air Filter Element
28
Muffler
29
Fuel Tank Filter
31
Fuel Cock Strainer
32
Breather Hose
33
Cylinder Head Decarbonization
33
Adjusting the Valve Clearance
33
Engine Speed
35
Adjusting the Engine Speed
36
Recoil Starter
37
Fittings and Fasteners
38
Engine
39
Engine Inspection
39
Measuring the Compression Pressure
39
Air Filter
41
Fuel Tank
42
Checking the Fuel Tank Cap (Canister)
43
Muffler
44
Installing the Muffler
45
Recoil Starter
46
Disassembling the Recoil Starter
47
Checking the Recoil Starter
47
Assembling the Recoil Starter
48
Flywheel
50
Removing the Flywheel
51
Installing the Flywheel
52
Installing the Tci Unit
52
Governor
54
Throttle Lever Assembly
54
Flyweight Shaft Assembly
55
Removing the Flyweight Shaft Assembly and Governor Fork
56
Disassembling the Flyweight Shaft Assembly
56
Checking the Flyweight Shaft Assembly
56
Assembling the Flyweight Shaft Assembly
57
Installing the Flyweight Shaft Assembly and Governor Fork
57
Adjusting the Governor
58
Engine Switch and Oil Warning Unit
59
Cylinder Head Cover, Cylinder Head
60
Checking the Rocker Arm
62
Checking the Push Rod
62
Checking the Cylinder Head
62
Installing the Cylinder Head Assembly
63
Valve
64
Removing the Valves and Valve Springs
65
Checking the Valves and Valve Springs
65
Checking the Valve Seats
67
Valve Lapping
68
Installing the Valves and Valve Springs
69
Piston, Camshaft, Crankcase, and Crankshaft
70
Removing the Camshaft and Valve Lifter
72
Checking the Camshaft
72
Checking the Valve Lifter
73
Installing the Valve Lifter and Camshaft
74
Checking the Crankcase Cover
74
Installing the Crankcase Cover
74
Checking the Cylinder and Piston
75
Checking the Crankcase
76
Checking the Piston Pin
77
Checking the Piston Rings
77
Checking the Crankshaft
79
Checking the Connecting Rod Oil Clearance
79
Installing the Piston and Piston Ring
80
Installing the Crankshaft
81
Removing the Carburetor
83
Disassembling the Carburetor
84
Checking the Carburetor
85
Electrical
86
Circuit Diagram
86
Electrical Components
88
Checking the Switch Continuity
89
Checking the Ignition Spark Gap
89
Checking the Spark Plug Cap Resistance
90
Checking the Air Gap
91
Checking the Ignition Coil (Tci Unit, Primary) Resistance
91
Checking the Ignition Coil (Tci Unit, Secondary) Resistance
92
Checking the Engine Switch
93
Checking the Oil Level Switch
93
Checking the Wire Harness
94
Troubleshooting
95
Engine Does Not Start
95
Engine Starts but Stalls
96
Engine Speed Does Not Increase
97
Engine Speed Is Uneven
98
Governor Operation
99
Specifications
101
General Specifications
101
Maintenance Specifications
103
Engine
103
Electrical
107
Tightening Torques
110
General Torque Specifications
110
Lubrication Points and Type of Lubricants
111
Wire Routing Diagram
112
Upper Side View
112
Engine Switch and Oil Warning Unit
114
Tci Unit
116
Oil Level Switch (Crankcase Cover)
118

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Yamaha MX300 Owner's Manual

Yamaha MX300 Owner's Manual (66 pages)

Brand: Yamaha | Category: Engine | Size: 18.9 MB

Table of Contents

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