Yamaha VT70J Manuals

Manuals and User Guides for Yamaha VT70J. We have 2 Yamaha VT70J manuals available for free PDF download: Supplementary Service Manual, Owner's Manual

Yamaha VT70J Supplementary Service Manual

Yamaha VT70J Supplementary Service Manual (576 pages)

Brand: Yamaha | Category: Snowmobiles | Size: 26 MB

Table of Contents

Index 1 Gen Info Periodic Inspections and

5
- Table of Contents
  5
- Chapter 2 Periodic Inspections and Adjustments
  
  7
  - Introduction
    7
  - Periodic Maintenance Table
    7
  - Engine
    9
    
    Cooling System
    9
    
    Throttle Cable Free Play Adjustment
    13
    
    Oil Pump Cable Adjustment
    14
    
    Throttle Override System (T.o.r.s.) Check
    15
  - Power Train
    16
    
    Brake Fluid Level Inspection
    16
  - Chassis
    17
    
    Ski/Ski Runner/Lubrication
    17
  - Tuning
    18
    
    Clutch
    18
    
    Gear Selection
    22
    
    Front Suspension
    27
    
    Rear Suspension
    29
- Chapter 3 Chassis
  
  31
  - Steering
    31
  - Ski
    33
  - Front Suspension
    35
    
    Installation
    36
    
    Power Train
    37
  - Brake
    37
    
    Inspection
    38
    
    Brake Master Cylinder Assembly
    38
    
    Installation
    38
  - Slide Rail Suspension
    39
    
    Installation
    44
- Chapter 5 Engine
  
  45
  - Engine Assembly
    45
  - Cylinder Head and Cylinder
    48
  - Heat Exchanger
    49
  - Thermostat
    50
    
    Carburetion
    51
  - Carburetors
    51
    
    Electrical
    53
  - Grip Warmer System (Vt70J)
    54
    
    Troubleshooting
    55
    
    Grip and Thumb Warmer Coil
    57
    
    Thumb Warmer Switch
    57
    
    Grip Warmer Switch
    58
    
    Passenger Grip Warmer Coil (Vt70J)
    58
    
    Passenger Grip Warmer Switch (Vt70J)
    59
    
    Resistor (Vt70J)
    59
    
    Passenger Grip Warmer Relay (Vt70J)
    60
  - Detonation Control System (Sxv70Sj)
    61
  - Detonation Control System (Vt70J)
    62
    
    Troubleshooting
    63
    
    Knock Sensor
    64
  - Combination Meter Function
    65
  - Self-Diagnosis
    66
    
    Fuel Meter, Fuel Level Warning Indicator and the Warning Light
    66
    
    Coolant Temperature Warning Indicator and the Warning Light
    66
    
    Self-Diagnosis Warning Indicator and the Warning Light
    67
    
    Detonation Control System Indicator Light
    69
    
    Specifications
    71
  - General Specifications
    71
    
    Specifications Spec
    71
  - Maintenance Specifications
    73
    
    Engine
    73
    
    Power Train
    76
    
    Chassis
    81
    
    Electrical
    82
  - High Altitude Settings
    84
  - Tightening Torque
    85
    
    Engine
    85
    
    Power Train
    86
    
    Chassis
    88
  - Definition of Units
    89
  - General Torque Specifications
    89
  - Cable Routing
    91
. General Information

124
- Chapter 1. General Information
  
  128
  - Machine Identification
    128
    
    Frame Serial Number
    128
    
    Engine Serial Number
    128
  - Important Information
    129
    
    Preparation for Removal and Disassembly
    129
    
    All Replacement Parts
    129
    
    Gaskets, Oil Seals, and O-Rings
    130
    
    Lock Washers/Plates and Cotter Pins
    130
    
    Bearings and Oil Seals
    130
    
    Circlips
    130
    
    Loctite
    130
  - Special Tools
    131
    
    For Tune up
    131
    
    For Engine Service
    132
    
    For Power Train Service
    132
    
    For Carburetion Service
    133
    
    For Electrical Service
    133
    
    Periodic Inspection and Adjustment
    134
  - Introduction
    134
  - Periodic Maintenance Table
    134
  - Engine
    136
    
    Spark Plugs
    136
    
    Oil Pump
    137
    
    Fuel Line Inspection
    139
    
    Cooling System
    139
    
    Carburetor Synchronization
    145
    
    Engine Idle Speed Adjustment
    146
    
    Throttle Cable Free Play Adjustment
    146
    
    Throttle Override System (T.o.r.s.) Check
    147
    
    Starter (Choke) Cable Free Play Adjustment
    148
    
    Exhaust System Inspection
    148
  - Power Train
    149
    
    Sheave Distance and Offset Adjustment
    149
    
    Drive V-Belt
    151
    
    Engagement Speed Check
    153
    
    Parking Brake Pad Inspection
    153
    
    Parking Brake Adjustment
    153
    
    Brake Lever Adjustment (Vx700Dx/Sx700/Vt700)
    154
    
    Brake Fluid Level Inspection
    154
    
    Brake Pad Inspection
    155
    
    Brake Hose Inspection
    155
    
    Air Bleeding (Hydraulic Brake System)
    155
    
    Drive Chain
    156
    
    Track Tension Adjustment
    159
    
    Slide Runner Inspection
    161
    
    Maximizing Drive Track Life
    162
  - Chassis
    163
    
    Ski/Ski Runner
    163
    
    Steering System
    164
    
    Lubrication
    166
  - Electrical
    167
    
    Headlight Beam Adjustment
    167
    
    Battery Inspection (Vx700Dx/Vt700)
    168
    
    Battery Charging (Vx700Dx/Vt700)
    170
    
    Fuse Inspection (Vx700Dx/Vt700)
    171
  - Tuning
    173
    
    Carburetor Tuning
    173
    
    Clutch
    180
    
    Gear Selection
    186
    
    High Altitude Tuning
    191
    
    Front Suspension
    192
    
    Rear Suspension
    193
  - Steering
    197
    
    Vx700/Vx700Dx/Sx700/Vt700
    197
    
    Mm700
    198
    
    Inspection
    200
    
    Installation
    201
  - Ski
    204
    
    Inspection
    206
    
    Installation (Vx700/Vx700Dx/Vt700)
    206
  - Front Suspension
    207
    
    Handling Notes (Sx700)
    208
    
    Inspection
    208
    
    Installation
    210
- Chapter 4. Power Train
  
  216
  - Primary Sheave and Drive V-Belt
    216
    
    Removal
    218
    
    Disassembly
    219
    
    Inspection
    220
    
    Assembly
    222
    
    Installation
    225
  - Secondary Sheave
    226
    
    Disassembly
    228
    
    Inspection
    228
    
    Assembly
    229
    
    Installation
    231
    
    Inspection
    233
    
    Installation
    235
    
    With Reverse Model
    236
    
    Drive Chain Housing
    236
    
    Inspection
    238
    
    Installation
    239
  - Jackshaft
    241
    
    Inspection
    242
    
    Jackshaft and Drive Chain Housing Installation
    243
  - Brake
    244
    
    Brake Pad Replacement
    245
    
    Brake Caliper Disassembly
    249
    
    Brake Caliper Inspection and Repair
    249
    
    Brake Caliper Assembly
    250
    
    Brake Caliper Installation
    250
    
    Inspection
    252
    
    Brake Master Cylinder Assembly
    252
    
    Installation
    252
  - Slide Rail Suspension
    254
    
    Vt700
    254
    
    Inspection
    264
    
    Assembly
    265
    
    Installation
    265
    
    Inspection
    268
    
    Installation
    268
    
    Engine
    270
    
    Installation
    271
  - Engine Assembly
    272
    
    Inspection
    273
    
    Installation
    273
  - Cylinder Head and Cylinder
    275
    
    Removal
    277
    
    Inspection
    278
    
    Installation
    283
  - Oil Pump, Crankcase and Crankshaft
    286
    
    Inspection
    287
    
    Installation
    289
  - Ac Magneto
    292
    
    Removal
    293
    
    Installation
    294
  - Recoil Starter
    296
    
    Removal
    297
    
    Inspection
    297
    
    Installation
    298
- Chapter 6. Cooling System
  
  299
  - Heat Exchanger
    299
    
    Vx700/Vx700Dx/Sx700/Vt700
    299
    
    Mm700
    300
    
    Inspection
    301
    
    Installation
    302
  - Water Pump
    303
    
    Removal
    304
    
    Inspection
    304
    
    Installation
    304
- Chapter 7. Carburetion
  
  305
  - Carburetors
    305
    
    Inspection
    309
    
    Assembly
    310
    
    Fuel Level Adjustment
    312
    
    Installation
    313
  - Fuel Pump
    314
    
    Vx700/Vx700Dx/Vt700
    314
    
    Sx700/Mm700
    315
    
    Inspection
    316
    
    Installation
    316
- Chapter 8. Electrical
  
  317
  - Switch Inspection
    317
    
    Inspecting a Switch Shown in the Manual
    317
  - Ignition System
    318
    
    Troubleshooting
    320
    
    Condenser (Vx700/Sx700/Mm700)
    322
    
    Ac Magneto
    322
    
    Spark Plug
    323
    
    Spark Plug Cap
    323
    
    Ignition Coil
    323
    
    Throttle Override System (T.o.r.s.)
    324
    
    Handlebar Switch (Right)
    324
    
    Carburetor Switch
    325
    
    Main Switch
    325
    
    Load Control Relay
    326
    
    Emergency Engine Starting (Vx700/Sx700/Mm700)
    326
  - Electrical Starting System (Vx700Dx/Vt700)
    327
    
    Troubleshooting
    328
    
    Main Switch
    329
    
    Starter Motor
    330
  - Charging System (Vx700Dx/Vt700)
    333
    
    Troubleshooting
    334
    
    Battery
    335
    
    Stator Coil
    335
  - Lighting System
    336
    
    Troubleshooting
    338
    
    Bulb(S)
    340
    
    Headlight Beam Switch
    340
    
    Headlight Relay
    341
  - Signal System
    342
    
    Troubleshooting
    344
    
    Brake Light Switch
    348
    
    Gear Position Switch (Vx700Dx/Vt700)
    348
    
    DC Back Buzzer (Vx700Dx/Vt700)
    348
    
    Water Temperature Sensor
    349
    
    Oil Level Switch
    350
    
    Fuel Sender
    350
  - Grip Warmer System
    352
    
    Troubleshooting
    354
    
    Grip and Thumb Warmer Coil
    356
    
    Variable Resistor (Thumb Warmer)
    356
    
    Variable Resistor (Grip Warmer)
    357
    
    Passenger Grip Warmer (Vt700)
    357
    
    Passenger Grip Warmer Switch (Vt700)
    358
    
    Resistor (Vt700)
    358
    
    Passenger Grip Warmer Relay (Vt700)
    359
  - Fault Location Table
    360
- Chapter 9. Specifications
  
  362
  - General Specifications
    362
  - Maintenance Specifications
    365
    
    Engine
    365
    
    Power Train
    368
    
    Chassis
    372
    
    Electrical
    373
    
    High Altitude Settings
    375
    
    Tightening Torque
    378
  - Definition of Units
    382
  - General Torque Specifications
    382
  - Cable Routing
    384

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Yamaha VT70J Owner's Manual

Yamaha VT70J Owner's Manual (100 pages)

Brand: Yamaha | Category: Offroad Vehicle | Size: 10 MB

Table of Contents

Table of Contents
6
Yamaha Motor Corporation, U.s.a. Snowmobile Limited Warranty

8
Yamaha Extended Service (Y.e.s.)

11
Location of the Important Labels

12
Safety Information

14
Description

17
Control Functions

19
- Main Switch
  19
- Starter Lever (Choke)
  20
- Throttle Lever
  20
- Throttle Override System (T.O.R.S.)
  20
- Speedometer Unit
  22
- High Beam Indicator Light
  23
- Fuel Meter and Grip/Thumb Warmer Heat Level Indicator
  23
- Fuel Level Warning Indicator
  24
- Oil Level Warning Indicator
  25
- Coolant Temperature Warning Indicator
  25
- Self-Diagnosis Warning Indicator
  26
- D.C.S." (Detonation Control System) Indicator Light
  28
- Engine Stop Switch
  30
- Brake Lever
  30
- Parking Brake Lever
  31
- Shift Lever
  31
- Headlight Beam Switch
  32
- Passenger Grip Warmer Switch
  32
- Shroud Latches
  33
- Drive Guard
  33
- V-Belt Holders
  34
- Spark Plug Holders
  34
- Carburetor Heating Knob
  34
- Backrest
  35
- Storage Compartment
  35
Pre-Operation Checks

36
- Fuel
  36
- Engine Oil
  37
- Coolant
  37
- Throttle Lever
  38
- Recoil Starter
  38
- Throttle Override System (T.O.R.S.)
  38
- Brake
  39
- Brake Fluid Leakage
  40
- V-Belt
  40
- Drive Guard
  40
- Drive Track
  41
- 51-MM (2.0-In) High-Profile Pattern Drive Track
  41
- Slide Runners
  41
- Skis and Ski Runners
  42
- Steering System
  42
- Lights
  42
- Battery
  43
- Air Filter
  43
- Fittings and Fasteners
  44
- Tool Kit and Recommended Equipment
  44
Operation

45
- Starting the Engine
  45
- Emergency Engine Starting
  46
- Break-In
  48
- Riding Your Snowmobile
  49
- Getting to Know Your Snowmobile
  49
- Learning to Ride Your Snowmobile
  49
- To Start out and Accelerate
  49
- Braking
  49
- Turning
  50
- Riding Uphill
  50
- Riding Downhill
  51
- Traversing a Slope
  51
- Ice or Icy Surface
  51
- Hard-Packed Snow
  52
- Operation on Surfaces Other than Snow or Ice
  52
- Maximizing Drive Track Life
  53
- Strap
  54
- Driving
  55
- Stopping the Engine
  56
- Transporting
  57
Periodic Maintenance

58
- Periodic Maintenance Chart
  58
- Tool Kit
  61
- Spark Plug Inspection
  61
- Engine Idle Speed Adjustment
  62
- Throttle Cable Adjustment
  63
- Oil Pump Cable Adjustment
  63
- Carburetor Adjustment
  64
- Yamaha Power Valve System (Y.P.V.S.)
  66
- High Altitude Adjustments
  67
- Cooling System
  68
- V-Belt Replacement
  70
- Checking the Oil Level of the Drive Chain Housing
  72
- Checking the Brake Pads
  74
- Checking the Parking Brake Pads
  74
- Checking the Brake Fluid Level
  75
- Brake Fluid Replacement
  75
- Suspension
  75
- Drive Track Adjustment
  83
- Ski Alignment
  85
- Lubrication
  86
- Headlight Bulb Replacement
  87
- Headlight Beam Adjustment
  87
- Battery
  88
- Fuse Replacement
  89
Troubleshooting

90
Storage

93
Specifications

95
- Dimensions
  95
- Engine
  95
- Chassis
  96
- Electric
  97

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