Evinrude & Johnson J30-203RSQ 1973 Manuals

Manuals and User Guides for Evinrude & Johnson J30-203RSQ 1973. We have 1 Evinrude & Johnson J30-203RSQ 1973 manual available for free PDF download: Service Manual

Evinrude & Johnson J30-203RSQ 1973 Service Manual

Evinrude & Johnson J30-203RSQ 1973 Service Manual (105 pages)

Brand: Evinrude & Johnson | Category: Offroad Vehicle | Size: 6 MB

Table of Contents

Section 3 General Snowmobile Information

10
- Table of Contents
  10
- Compression
  11
- Lighting System
  14
- Power Flow
  15
  - Primary Drive
    15
  - Neutral Control
    15
  - Secondary Drive
    16
  - Reverse Transmission
    16
Section 4 Trouble Shooting

18
- Description
  19
- Trouble Shooting Procedures
  20
  - Starting
    20
  - Starting - Manual Starter
    21
  - Starting - Electric Starter
    21
  - Running - Low Speed Only
    21
  - Running - High Speed Only
    22
  - Running - High and Low Speed
    22
Section 5 Tune-Up Procedures

24
- Description
  25
- Factors Affecting Performance
  25
  - Fuel System
    25
  - Ignition System
    25
  - Compression
    25
- New Vehicle Delivery
  26
- Tune-Up Procedures
  26
- Carburetor Adjustments
  28
  - High Speed Needle Valve
    28
  - Idle Adjustment Switch
    29
- Compression Check
  28
- Compression Release Valve Adjustment
  28
- Ignition Timing Check
  28
- Spark Plugs
  29
Section & Fuel System

30
- Fuel Pump
  34
  - Removal
    34
  - Cleaning, Inspection, and Repair
    35
  - Reassembly
    35
- Fuel Primer
  35
- Fuel Tank
  35
- Fuel Line Tie Straps
  36
Section 7 Ignition and Electrical Systems

38
- Description
  39
- Test Equipment
  39
- Introduction
  40
- Test #1 Ignition Coils Output Check
  41
- Test #2 Ignition Switch Check
  42
- Test #3 Charge Coil Output Check
  43
- Test #5 Power Pack Is Output Check
  45
- Test #6 Ignition Switch Continuity Ground Check
  46
- Test #10 Ignition Coil Continuity, Power and Insulation Checks
  47
- Test #7 Advance Sensor Coil Resistance Check
  47
- Test #8 Retard Sensor Coil Resistance Check
  47
- Test #9 Charge Coil Resistance Check
  47
- Test #11 Ignition Timing Check
  48
- Disassembly
  49
- Reassembly
  50
- Ignition Timing
  51
- Spark Plugs
  51
- Battery
  53
- Description
  53
- Removal and Installation
  53
- Specifications
  53
- Battery Care
  54
- Battery Servicing
  54
- Battery Charging
  55
- Battery Testing
  55
- Prestolite Battery Warranty
  55
- Slow Charging
  55
- Description
  56
- Maintenance
  56
- Starter Circuit Testing
  56
- Starter System
  56
- Starter System Testing
  56
- Starter Motor Testing
  57
- Inspection of Starter Motor
  58
- Alternator
  59
- Belt Tension
  59
- Trouble Shooting
  59
- Alternator Coils
  60
- Test #1 Alternator Coil Resistance Test
  60
- Test #2 Alternator Coil Otjtput Test
  60
- Alternator and Charge Coil Replacement
  61
- Blocking Diode Test
  61
- Brakelamp Switch Test
  61
- Checking Rectifier Diodes
  61
- Dimmer Switch Test
  61
- Safety Stop Switch Test
  61
- Head Lamp Adjustment
  62
- Idle Switch Test
  62
Sections Engine

68
- Description
  69
- Engine Removal
  69
- Disassembly
  70
- Cleaning, Inspection, and Repair
  72
- Cylinders
  72
- Gaskets and Gasket Surfaces
  73
- Pistons
  73
- Bearings
  74
- Assembly of Engine
  75
- Piston Rings
  75
- Pistons, Wrist Pins, and Connecting Rods
  75
- Crankshaft
  76
- Cylinders
  77
- Installation
  77
- Break-In
  79
- Installation
  79
- Muffler
  79
- Removal
  79
Section 10 Drive Train

80
- Description
  81
- Inspection and Replacement
  81
- Transmission Belt
  81
- Cleaning, Inspection and Repair
  82
- Disassembly
  82
- Primary Drive
  82
- Removal
  82
- Reassembly
  83
- Chain Adjustment Instructions
  84
- Drive Chain
  84
- Installation
  84
- Lubrication
  84
- Removal
  84
- Adjustment
  85
- Adjustment Procedures
  85
- Alignment
  85
- Brake
  85
- Description
  85
- Removal
  85
- Sheave Alignment
  85
- Brake Cable and Cam Assembly
  86
- Disassembly
  86
- Repair
  86
- Secondary Drive
  86
- Cleaning and Inspection
  88
- Description
  88
- Reassembly
  88
- Reversing Transmission
  88
- Assembly and Adjustment
  89
- Cleaning, Inspection, and Repair
  89
- Lubrication
  89
- Removal and Disassembly
  89
- Adjustment
  90
- Description
  90
- Reversing Transmission Linkage
  90
- Shift Control Rod Adjustment
  90
Section 11 Steering, Track and Suspension

92
- Cleaning, Inspection, and Repair
  93
- Description
  93
- Disassembly
  93
- Steering
  93
- Reassembly
  94
- Ski Alignment
  94
- Track Alignment Adjustment
  94
- Track and Suspension
  94
- Track Tension Adjustment
  94
- Front Axle Disassembly
  95
- Rear Axle Disassembly
  95
- Removal of Trucks and Track
  95
- Truck Disassembly
  95
- Cleaning, Inspection, and Repair
  97
- Front Axle Assembly
  97
- Idler Assembly
  97
- Rear Axle Assembly
  98
- Truck Reassembly
  98
- Engine Lubrication
  101
- Omc 2+4 Fuel Conditioner
  101
- Fuel Blending
  102
- Lubrication Recommendations
  103
- Fuel Pump Filter Screen
  104
- Preventive Maintenance
  104
- Preparation for Storage
  105
- Removal from Storage
  105
- Storage
  105

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