MTD P90 Series Manuals

Manuals and User Guides for MTD P90 Series. We have 2 MTD P90 Series manuals available for free PDF download: Shop Manual, Professional Shop Manual

MTD P90 Series Professional Shop Manual (120 pages)

Vertical Shaft Engines

Brand: MTD | Category: Engine | Size: 5 MB

Table of Contents
3
Chapter 1 : Introduction

7
- Professional Service Manual Intent
  7
- Safety
  7
- Fasteners
  9
- Assembly Instructions
  9
- Model and Serial Number
  11
- Maintenance
  11
- Spark Plugs
  12
- Air Filter
  13
- Oil Type and Capacity
  14
- Changing the Oil
  15
- Oil Filter
  16
- Oil Pre-Screen
  16
- Fuel System
  17
- Servicing the Fuel System
  17
- Fuel Filter
  17
- Valve Lash
  18
- Exhaust System
  20
- Cleaning the Engine
  20
- General Torque Specifications
  20
Chapter 2 : Basic Troubleshooting

21
- Definitions
  21
- Introduction
  21
- Steps to Troubleshooting
  21
- Define the Problem
  21
- Identify Factors that Could Cause the Problem
  23
- Repairing the Problem
  27
- Prime Test
  28
- Leak-Down Test
  28
- Compression Test
  30
- PCV Testing
  31
Chapter 3 : Air Intake System

33
- Air Filter
  33
- Blower/Air Filter Housing
  35
- Carburetor and Insulator
  36
Chapter 4: The Fuel System and Governor

39
- Inspecting the Fuel
  39
- Test Fuel for Alcohol
  40
- Choke/Throttle Cable Adjustment
  41
- Carburetors
  42
- Inspecting the Carburetor
  42
- Disassembly and Rebuilding the Carburetor
  43
- Engine Speed Adjustment
  47
- Afterfire Solenoid
  48
- Testing the Afterfire Solenoid
  50
- Governor
  52
- Governor Arm
  52
- Governor Shaft
  54
- Governor Cup and the Governor Gear
  54
Chapter 5: Lubrication

55
- Oil Type and Quantity
  55
- Oil Dipstick
  56
- Dip Stick Tube Removal
  56
- Lubrication System
  57
- Testing the Oil Pump
  57
- Positive Crankcase Ventilation Valve
  59
Chapter 6: Starter and Charging Systems

61
- Starter Removal
  61
- Bench Testing the Electric Starter
  62
- Rebuilding the Starter
  63
- Charging System
  74
- Charging System Testing
  75
- Stator
  77
- Rotor
  78
  - Flywheel Nut
    78
  - Ft-Lbs
    78
Chapter 7: Ignition System

79
- Troubleshooting the Ignition System
  79
- The Module
  80
  - Module
    80
- Module Removal
  81
- Installing the Module and Setting the Air Gap
  82
- Flywheel
  83
- Spark Plug
  84
- Cleaning the Spark Plug
  84
- Inspection of the Spark Plug
  84
- Spark Plug Removal
  84
Chapter 8 : Exhaust

85
Chapter 9 : Cylinder Head

89
- Cylinder Head Removal
  89
- Cylinder Head Installation
  92
- Valves
  93
- Push Rod Guide Plate
  96
Chapter 10 : Crankshaft, Piston and Connecting Rod

100
- Crankshaft Inspection
  100
- Piston Inspection
  101
- Connecting Rod Inspection
  103
- Cylinder Inspection
  103
- Balance Shaft
  104
- Reassembly
  105
- Engine Specifications Chart
  107
- Engine Torque Values Chart
  109
  - Starter (Recoil)
    109
  - Starter (Electric)
    109
Chapter 11 : Failure Analysis

111
- Abrasive Ingestion
  111
- Insufficient Lubrication
  114
- Engine Overspeed
  116
- Overheated
  117
- Mechanical Breakage/ Wear
  118
- Detonation/Preignition
  118

MTD P90 Series Shop Manual (120 pages)

vertical shaft

Brand: MTD | Category: Engine | Size: 5 MB

Table of Contents
3
Chapter 1: Introduction

7
- Professional Service Manual Intent
  7
- Safety
  7
- Fasteners
  9
- Assembly Instructions
  9
- Model and Serial Number
  11
- Maintenance
  11
- Spark Plugs
  12
- Air Filter
  13
- Oil Type and Capacity
  14
- Changing the Oil
  15
- Oil Filter
  16
- Oil Pre-Screen
  16
- Fuel System
  17
- Servicing the Fuel System
  17
- Fuel Filter
  17
- Valve Lash
  18
- Exhaust System
  20
- Cleaning the Engine
  20
- General Torque Specifications
  20
Chapter 2: Basic Troubleshooting

21
- Definitions
  21
- Introduction
  21
- Steps to Troubleshooting
  21
- Define the Problem
  21
- Identify Factors that Could Cause the Problem
  23
- Repairing the Problem
  27
- Prime Test
  28
- Leak-Down Test
  28
- Compression Test
  30
- PCV Testing
  31
Chapter 3: Air Intake System

33
- Air Filter
  33
- Blower/Air Filter Housing
  35
- Carburetor and Insulator
  36
Chapter 4: The Fuel System and Governor

39
- Inspecting the Fuel
  39
- Test Fuel for Alcohol
  40
- Choke/Throttle Cable Adjustment
  41
- Carburetors
  42
- Inspecting the Carburetor
  42
- Disassembly and Rebuilding the Carburetor
  43
- Engine Speed Adjustment
  47
- Afterfire Solenoid
  48
- Testing the Afterfire Solenoid
  50
- Governor
  52
- Governor Arm
  52
- Governor Shaft
  54
- Governor Cup and the Governor Gear
  54
Chapter 5: Lubrication

55
- Oil Type and Quantity
  55
- Oil Dipstick
  56
- Dip Stick Tube Removal
  56
- Lubrication System
  57
- Testing the Oil Pump
  57
- Positive Crankcase Ventilation Valve
  59
Chapter 6: Starter and Charging Systems

61
- Starter Removal
  61
- Bench Testing the Electric Starter
  62
- Rebuilding the Starter
  63
- Charging System
  74
- Charging System Testing
  75
- Stator
  77
- Rotor
  78
Chapter 7: Ignition System

79
- Troubleshooting the Ignition System
  79
- The Module
  80
- Module Removal
  81
- Installing the Module and Setting the Air Gap
  82
- Flywheel
  83
- Spark Plug
  84
- Cleaning the Spark Plug
  84
- Inspection of the Spark Plug
  84
- Spark Plug Removal
  84
Chapter 8: Exhaust

85
Chapter 9: Cylinder Head

89
- Cylinder Head Removal
  89
- Cylinder Head Installation
  92
- Valves
  93
- Push Rod Guide Plate
  96
Chapter 10: Crankshaft, Piston and Connecting Rod

97
- Crankshaft Inspection
  100
- Piston Inspection
  101
- Connecting Rod Inspection
  103
- Cylinder Inspection
  103
- Balance Shaft
  104
- Reassembly
  105
- Engine Specifications Chart
  107
- Engine Torque Values Chart
  109
Chapter 11: Failure Analysis

111
- Abrasive Ingestion
  111
- Insufficient Lubrication
  114
- Engine Overspeed
  116
- Overheated
  117
- Mechanical Breakage/ Wear
  118
- Detonation/Preignition
  118

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MTD P90 Series Manuals

MTD P90 Series Professional Shop Manual (120 pages)

Table of Contents

Chapter 1 : Introduction

Chapter 2 : Basic Troubleshooting

Chapter 3 : Air Intake System

Chapter 4: The Fuel System and Governor

Chapter 5: Lubrication

Chapter 6: Starter and Charging Systems

Chapter 7: Ignition System

Chapter 8 : Exhaust

Chapter 9 : Cylinder Head

Chapter 10 : Crankshaft, Piston and Connecting Rod

Chapter 11 : Failure Analysis

MTD P90 Series Shop Manual (120 pages)

Table of Contents

Chapter 1: Introduction

Chapter 2: Basic Troubleshooting

Chapter 3: Air Intake System

Chapter 4: The Fuel System and Governor

Chapter 5: Lubrication

Chapter 6: Starter and Charging Systems

Chapter 7: Ignition System

Chapter 8: Exhaust

Chapter 9: Cylinder Head

Chapter 10: Crankshaft, Piston and Connecting Rod

Chapter 11: Failure Analysis

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