1983-1986 Yamaha YTM200 YFM200 YTM225 ATV Service WSM.

This manual covers the service and repair of ATV Yamaha YTM200, YTM225, and YFM200 models.

Models Covered:

• 1983 Yamaha YTM200EK Yamahauler
• 1983 Yamaha YTM225DXK Tri-Moto
• 1984 Yamaha YTM200L Tri-Moto
• 1984 Yamaha YTM225DXL Tri-Moto
• 1985 Yamaha YFM200N-S Moto-4
• 1985 Yamaha YTM200N Tri-Moto
• 1985 Yamaha YTM225DXN Tri-Moto
• 1986 Yamaha YFM200DXS Moto-4

Manual Contents:

• QUICK REFERENCE DATA
• CHAPTER ONE / GENERAL INFORMATION
  • Manual organization
  • Notes, caution, and warnings
  • Safety first
  • Service hints
  • Torque specifications
  • Fasteners
  • Lubricants
  • Parts replacement
  • Basic hand tools
  • Test equipment
  • Mechanic's tips
• CHAPTER TWO / TROUBLESHOOTING
  • Operating requirements
  • Troubleshooting instruments
  • Engine starting
  • Engine performance
  • Engine noises
  • Engine lubrication
  • Clutch
  • Transmission
  • Carburetor
  • Charging system
  • Electrical starting system
  • Electrical problems
  • Ignition system
  • Excessive vibration
  • Front suspension and steering
  • Brake problems
• CHAPTER THREE / LUBRICATION, MAINTENANCE AND TUNE-UP
  • Routine checks
  • Service intervals
  • Tires and wheels
  • Battery
  • Periodic lubrication
  • Engine oil and filter change
  • Front fork oil change
  • Final drive oil change
  • Steering head bearing lubrication
  • Knuckle and steering shaft lubrication
  • Periodic maintenance
  • Drive chain adjustment
  • Brake adjustment
  • Clutch adjustment
  • Decompression lever adjustment
  • Air cleaner service
  • Fuel shut off valve and filter service
  • Steering inspection and steering head adjustment
  • Suspension adjustment
  • Tune-up
  • Specifications
• CHAPTER FOUR / ENGINE
  • Engine principles
  • Engine cooling
  • Servicing engine in frame
  • Engine
  • Cylinder head
  • Camshaft/rocker arms
  • Camshaft chain
  • Cam chain tensioner (automatic type)
  • Cam chain tensioner (adjustable type)
  • Valves and valve components
  • Cylinder
  • Piston and piston pin
  • Piston rings
  • Oil pumps
  • Crankcase and crankshaft
  • Alternator rotor, starter clutch assembly and gears
  • Recoil starter
  • Middle gear case
  • Middle/reverse gear case
  • Break-in
  • Specifications
• CHAPTER FIVE / CLUTCH AND TRANSMISSION
  • Clutch
  • Clutch lever and external shift mechanism
  • Drive sprocket (YTM200K, L, N)
  • Transmission
  • Specifications
• CHAPTER SIX / FUEL AND EXHAUST SYSTEMS
  • Air cleaner
  • Carburetor operation
  • Carburetor service
  • Carburetor adjustments
  • Throttle cable
  • Fuel tank
  • Fuel shutoff valve
  • Exhaust system
  • Specifications
• CHAPTER SEVEN / ELECTRICAL SYSTEM
  • Charging system (shaft drive models)
  • Charging system (chain drive models)
  • Alternator
  • Ignition system (fully transistorized)
  • Ignition unit
  • Ignition coil
  • Pickup coil
  • Spark plugs
  • Starting system
  • Lighting system
  • Switches
  • Fuse
  • Specifications
• CHAPTER EIGHT / FRONT SUSPENSION AND STEERING (YTM200 AND YTM225)
  • Front wheel
  • Front hub
  • Handlebar
  • Steering head
  • Front forks
  • Tires
  • Specifications
• CHAPTER NINE / FRONT SUSPENSION AND STEERING (YFM200)
  • Front wheel
  • Front hubs
  • Steering
  • Steering shaft
  • Handlebar
  • Front shock absorbers (YFM200DXS)
  • Specifications
• CHAPTER TEN / REAR SUSPENSION AND FINAL DRIVE
  • Rear wheel
  • Rear axle (chain drive)
  • Rear axle (drive shaft)
  • Drive chain (YTM200K, L, and N)
  • Driven sprocket (chain drive)
  • Tire changing and tire repairs
  • Rear shock absorber (YTM225 and YFM200DXS)
  • Swing arm (YTM225 and YFM200DXS)
  • Final drive unit and drive shaft
  • Rear axle bearing holder
  • Specifications
• CHAPTER ELEVEN / BRAKES
  • Front drum brake
  • Rear disc brake
  • Brake cables
  • Specifications
• INDEX
• WIRING DIAGRAMS