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Yamaha YZF-R125 Owners Manual

      L Introduction
      L Important manual information
      L Safety information
           L Be a Responsible Owner
           L Safe Riding
           L Protective apparel
           L Avoid Carbon Monoxide Poisoning
           L Loading
           L Genuine Yamaha Accessories
           L Aftermarket Parts, Accessories, and Modifications
           L Aftermarket Tires and Rims
      L Description
           L Left view
           L Right view
           L Controls and instruments
      L Instrument and control functions
           L Main switch/steering lock
           L Indicator and warning lights
           L Tachometer
           L Multi-function display
           L Handlebar switches
           L Clutch lever
           L Shift pedal
           L Brake lever
           L Brake pedal
           L Fuel tank cap
           L Fuel
           L Catalytic converters
           L Rider seat
           L Sidestand
           L Ignition circuit cut-off system
      L For your safety - pre-operation checks
      L Operation and important riding points
           L Starting the engine
           L Shifting
           L Tips for reducing fuel consumption
           L Engine break-in
           L Parking
      L Periodic maintenance and adjustment
           L Owner's tool kit
           L Periodic maintenance chart for the emission control system
           L General maintenance and lubrication chart
           L Removing and installing the cowlings and panel
           L Checking the spark plug
           L Engine oil and oil filter element
           L Coolant
           L Replacing the air filter element and cleaning the check hose
           L Adjusting the engine idling speed
           L Adjusting the throttle cable free play
           L Valve clearance
           L Tires
           L Cast wheels
           L Adjusting the clutch lever free play
           L Checking the front brake lever free play
           L Adjusting the brake pedal free play
           L Checking the front and rear brake pads
           L Checking the brake fluid level
           L Changing the brake fluid
           L Drive chain slack
           L Cleaning and lubricating the drive chain
           L Checking and lubricating the cables
           L Checking and lubricating the throttle grip and cable
           L Checking and lubricating the brake and shift pedals
           L Checking and lubricating the brake and clutch levers
           L Checking and lubricating the sidestand
           L Lubricating the swingarm pivots
           L Checking the front fork
           L Checking the steering
           L Checking the wheel bearings
           L Battery
           L Replacing the fuses
           L Replacing a headlight bulb
           L Tail/brake light
           L Replacing a turn signal light bulb
           L Replacing the license plate light bulb
           L Replacing an auxiliary light bulb
           L Supporting the motorcycle
           L Front wheel
           L Rear wheel
           L Troubleshooting
           L Troubleshooting charts
      L Motorcycle care and storage
           L Matte color caution
           L Care
           L Storage
      L Specifications
      L Consumer information
           L Identification numbers

Yamaha YZF-R125 Service Manual

      L General information
           L Identification
           L Features
                L Outline of the fi system
                L Fi system
                L Multi-function display
           L Important information
                L Preparation for removal and disassembly
                L Replacement parts
                L Gaskets, oil seals and o-rings
                L Lock washers/plates and cotter pins
                L Bearings and oil seals
                L Circlips
           L Checking the connections
           L Special tools
      L Specifications
           L Engine specifications
           L Chassis specifications
           L Electrical specifications
           L Tightening torques
                L General tightening torque specifications
                L Engine tightening torques
                L Chassis tightening torques
           L Lubrication points and lubricant types
           L Lubrication system chart and diagrams
                L Engine oil lubrication chart
                L Lubrication diagrams
           L Cooling system diagrams
           L Cable routing
      L Periodic checks and adjustments
           L Periodic maintenance
                L Introduction
                L Periodic maintenance and lubrication chart
           L Engine
                L Adjusting the valve clearance
                L Adjusting the exhaust gas volume
                L Adjusting the engine idling speed
                L Adjusting the throttle cable free play
                L Checking the spark plug
                L Checking the ignition timing
                L Measuring the compression pressure
                L Checking the engine oil level
                L Changing the engine oil
                L Adjusting the clutch cable free play
                L Cleaning the air filter element
                L Checking the throttle body joint and air filter case joint
                L Checking the fuel line
                L Checking the cylinder head breather hose
                L Checking the exhaust system
                L Checking the coolant level
                L Checking the cooling system
                L Changing the coolant
           L Chassis
                L Adjusting the rear disc brake
                L Checking the brake fluid level
                L Checking the front brake pads
                L Checking the rear brake pads
                L Checking the front brake hose
                L Checking the rear brake hose
                L Bleeding the hydraulic brake system
                L Adjusting the drive chain slack
                L Lubricating the drive chain
                L Checking and adjusting the steering head
                L Checking the front fork
                L Checking the tires
                L Checking the wheels
                L Checking and lubricating the cables
           L Electrical system
                L Replacing the headlight bulbs
                L Adjusting the headlight beams
      L Chassis
           L General chassis
           L Front wheel
                L Removing the front wheel (disc)
                L Disassembling the front wheel
                L Checking the front wheel
                L Assembling the front wheel
                L Adjusting the front wheel static balance
                L Installing the front wheel (disc)
           L Rear wheel
                L Removing the rear wheel (disc)
                L Checking the rear wheel
                L Checking and replacing the rear wheel sprocket
                L Adjusting the rear wheel static balance
                L Installing the rear wheel (disc)
           L Front brake
                L Introduction
                L Checking the front brake disc
                L Replacing the front brake pads
                L Removing the front brake caliper
                L Checking the front brake caliper
                L Assembling the front brake caliper
                L Installing the front brake caliper
                L Removing the front brake master cylinder
                L Checking the front brake master cylinder
                L Installing the front brake master cylinder
           L Rear brake
                L Introduction
                L Checking the rear brake disc
                L Replacing the rear brake pads
                L Removing the rear brake caliper
                L Disassembling the rear brake caliper
                L Checking the rear brake caliper
                L Assembling the rear brake caliper
                L Installing the rear brake caliper
                L Removing the rear brake master cylinder
                L Checking the rear brake master cylinder
                L Assembling the rear brake master cylinder
                L Installing the rear brake master cylinder
           L Handlebars
                L Removing the handlebars
                L Checking the handlebars
                L VInstalling the handlebars
           L Front fork
                L Removing the front fork legs
                L Disassembling the front fork legs
                L Checking the front fork legs
                L Assembling the front fork legs
                L Installing the front fork legs
           L Steering head
                L Removing the lower bracket
                L Checking the steering head
                L Installing the steering head
           L Rear shock absorber assembly
                L Removing the rear shock absorber assembly
                L Checking the rear shock absorber assembly
                L Checking the connecting arms and relay arm
                L Installing the relay arm
                L Installing the rear shock absorber assembly
           L Swingarm
                L Removing the swingarm
                L Checking the swingarm
                L Installing the swingarm
           L Chain drive
                L Checking the drive chain
                L Checking the drive sprocket
                L Installing the drive chain
      L Engine
           L Engine removal
                L Installing the engine
                L Installing the shift arm
                L Installing the exhaust assembly
           L Cylinder head
                L Removing the cylinder head
                L Checking the cylinder head
                L Checking the camshaft sprocket and timing chain guide
                L Checking the timing chain tensioner
                L Checking the decompression system
                L Installing the cylinder head
           L Camshaft
                L Checking the camshaft
                L Checking the rocker arms and rocker arm shafts
                L Installing the camshaft and rocker arms
           L Valves and valve springs
                L Removing the valves
                L Checking the valves and valve guides
                L Checking the valve seats
                L Checking the valve springs
                L Installing the valves
           L Cylinder and piston
                L Removing the piston
                L Checking the cylinder and piston
                L Checking the piston rings
                L Checking the piston pin
                L Installing the piston and cylinder
           L Generator and starter clutch
                L Removing the generator
                L Removing the starter clutch
                L Checking the starter clutch
                L Installing the starter clutch
                L Installing the generator
           L Electric starter
                L Checking the starter motor
                L Assembling the starter motor
           L Clutch
                L Removing the clutch
                L Checking the friction plates
                L Checking the clutch plates
                L Checking the clutch springs
                L Checking the clutch housing
                L Checking the clutch boss
                L Checking the primary drive gear
                L Checking the primary driven gear
                L Installing the clutch
           L Oil pump
                L Checking the oil pump
                L Assembling the oil pump
                L Installing the oil pump
           L Shift shaft
                L Checking the shift shaft
                L Installing the shift shaft
           L Balancer gear
                L Removing the primary drive gear and balancer gears
                L Checking the balancer gears and primary drive gear
                L Installing the primary drive gear and balancer gears
           L Crankcase
                L Separating the crankcase
                L Checking the crankcase
                L Checking the timing chain and timing chain guide
                L Checking the bearings and oil seal
                L Installing the bearing retainer
                L Assembling the crankcase
           L Crankshaft
                L Removing the crankshaft
                L Checking the crankshaft
                L Installing the crankshaft
           L Transmission
                L Checking the shift forks
                L Checking the shift drum assembly
                L Checking the transmission
                L Checking the clutch push rods
                L Assembling the main axle and drive axle
                L Installing the shift forks and shift drum assembly
      L Cooling system
           L Radiator
                L Checking the radiator
                L Installing the radiator
           L Thermostat
                L Checking the thermostat
                L Installing the thermostat
           L Water pump
                L Disassembling the water pump
                L Checking the water pump
                L Assembling the water pump
                L Installing the water pump
      L Fuel system
           L Fuel tank
                L Removing the fuel tank
                L Installing the fuel hose
                L Checking the fuel pressure
           L Throttle body
                L Removing the throttle body
                L Checking the throttle body
                L Installing the throttle body
           L Air induction system
      L Electrical system
           L Ignition system
                L Circuit diagram
                L Troubleshooting
           L Electric starting system
                L Circuit diagram
                L Starting circuit cut-off system operation
                L Troubleshooting
           L Charging system
                L Circuit diagram
                L Troubleshooting
           L Lighting system
                L Circuit diagram
                L Troubleshooting
           L Signaling system
                L Circuit diagram
                L Troubleshooting
           L Cooling system
                L Circuit diagram
                L Troubleshooting
           L Fuel injection system
                L Circuit diagram
                L Ecu self-diagnostic function
                L Self-diagnostic function table
                L Troubleshooting method
                L Diagnostic mode
                     L Setting the normal mode
                     L Setting the diagnostic mode
                L Troubleshooting details
           L Fuel pump system
                L Circuit diagram
                L Troubleshooting
           L Electrical components
                L Checking the switches
                L Checking the bulbs and bulb sockets
                     L Types of bulbs
                     L Checking the condition of the bulbs
                     L Checking the condition of the bulb sockets
                L Checking the fuses
                L Checking and charging the battery
                L Checking the relays
                L Checking the turn signal relay
                L Checking the diode
                L Checking the spark plug cap
                L Checking the ignition coil
                L Checking the ignition spark gap
                L Checking the crankshaft position sensor
                L Checking the lean angle sensor
                L Checking the starter motor operation
                L Checking the stator coil
                L Checking the rectifier/regulator
                L Checking the horn
                L Checking the fuel sender
                L Checking the speed sensor
                L Checking the radiator fan motor
                L Checking the coolant temperature sensor
                L Checking the throttle body sensor assembly
                     L Throttle position sensor
                     L Intake air pressure sensor
                     L Intake air temperature sensor
                L Checking the fid (fast idle solenoid)
      L Troubleshooting
           L General information
           L Starting failures
           L Incorrect engine idling speed
           L Poor medium-and-high-speed performance
           L Shift pedal does not move
           L Jumps out of gear
           L Faulty clutch
           L Overheating
           L Poor braking performance
           L Faulty front fork legs
           L Unstable handling
           L Faulty lighting or signaling system

Total pages: 399

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