Yamaha 8CU Manuals

Manuals and User Guides for Yamaha 8CU. We have 1 Yamaha 8CU manual available for free PDF download: Service Manual

Yamaha 8CU Service Manual

Yamaha 8CU Service Manual (280 pages)

Brand: Yamaha | Category: Snowmobiles | Size: 8.81 MB

Table of Contents

Notice
2
Exploded Diagram
3
Illustrated Symbols
4
Index
5
Chapter 1. General Information

6
- Machine Identification
  7
- Frame Serial Number
  7
- Engine Serial Number
  7
- Important Information
  8
- Preparation for Removal and Disassembly
  8
- All Replacement Parts
  9
- Gaskets, Oil Seals and O-Rings
  9
- Lock Washers/Plates and Cotter Pins
  9
- Bearings and Oil Seals
  9
- Circlips
  10
- Special Tools
  10
- For Engine Service
  11
- For Power Train Service
  12
- For Electrical Service
  13
Chapter 2. Periodic Inspections and Adjustments

14
- Periodic Maintenance Table
  16
- Spark Plugs
  18
- Standard Spark Plug
  18
- Oil Pump
  19
- Air Bleeding
  19
- Cable Adjustment
  20
- Fuel Line Inspection
  21
- Cooling System
  21
- Coolant Replacement
  21
- Carburetor Synchronization
  27
- Engine Idle Speed Adjustment
  28
- Throttle Cable Adjustment
  28
- Throttle Override System Check
  29
- Starter Cable Adjustment
  29
- Exhaust System Inspection
  30
- Drive V-Belt
  31
- Power Train
  31
- Engagement Speed Check
  33
- Parking Brake Pad Inspection
  33
- Parking Brake Adjustment
  33
- Brake Fluid Level Inspection
  34
- Brake Pad Inspection
  34
- Brake Hose Inspection
  35
- Hydraulic Brake System
  35
- Drive Chain
  36
- Drive Chain
  37
- Oil Replacement
  37
- Track Tension Adjustment
  38
- Slide Runner Inspection
  39
- Ski/Ski Runner
  40
- Steering System
  40
- Free Play Check
  40
- Toe out Adjustment
  40
- Lubrication
  41
- Front and Rear Suspension
  42
- Electrical
  43
- Headlight Beam Adjustment
  43
- Tuning
  44
- Carburetor Tuning
  44
- Carburetor Tuning Data
  45
- MID-Range and High Speed Tuning
  45
- Guide for Carburetion
  47
- Low Speed Tuning
  49
- Pilot Mixture Screw Effects
  49
- Clutch Tuning
  58
- Gear Selection
  58
- High Altitude Tuning
  61
- Front Suspension
  62
- Spring Preload
  62
- Damping Force
  63
- Rear Suspension
  63
Chapter 3. Chassis

66
- Steering
  67
- Installation
  70
- Ski
  72
Chapter 4. Power Train

79
- Primary Sheave and Drive V-Belt
  80
- Primary Sheave Disassembly
  81
- Secondary Sheave
  88
- Secondary Sheave Remoavl
  88
- Drive Chain Housing
  93
- With Reverse Model
  95
- Jackshaft
  98
- Brake
  100
- Caliper Assembly
  106
- Slide Rail Suspension
  109
- Slide Rail Suspension
  111
- Front Axle and Track
  116
Chapter 5. Engine

119
- Engine Assembly
  120
- Cylinder Head and Cylinder
  122
- Installation
  130
- Oil Pump, Crankcase and Crankshaft
  132
- CDI Magneto
  139
- Recoil Starter
  144
Chapter 6. Cooling System

150
- Heat Exchanger
  151
- Water Pump
  154
Chapter 7. Carburetion

159
- Fuel Level Adjustment
  171
- Fuel Pump
  174
Chapter 8. Electrical

177
- Switch Inspection
  180
- Inspecting a Switch Shown in the Manual
  180
- Electrical Starting System
  181
- Starter Motor Does Not Operate
  183
- Troubleshooting
  183
- Starter Motor
  185
- Charging System
  188
- Battery Is Not Charged
  190
- Ignition System
  192
- No Spark or Wear Spark
  195
- Spark Plug Cap
  196
- Ignition Coil
  196
- Source Coil
  197
- Throttle Override System (T.o.r.s.)
  198
- Handlebar Switch (Right)
  199
- Carburetor Switch
  200
- Lighting System
  201
- Headlight Beam Switch
  205
- Signal System
  207
- Brake Light Does Not Come on
  210
- Thermo Sensor
  215
- Oil Level Switch
  216
- Grip Warmer System
  218
- Grip and Thumb Warmer Coil
  223
- Circuit Diagram
  225
- E.C.C. Test Lead
  226
- Names of Components
  227
- Function of Components
  228
- Maintenance Procedure
  229
- Fault Location Table
  230
- Atmospheric Pressure Sensor Inspection
  232
- Air Temperature Sensor Inspection
  233
Chapter 9. Specifications

236
- General Specifications
  237
- General Torque Specifications Definition of Units
  256
- Cable Routing
  257
Chapter 10. Optional Kit

263
- Reverse Gear Kit
  264
- Installation
  268
- Starter Motor Kit
  271
- Color Code
  275
- Wiring Diagram
  278

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