Yamaha YBR125ED - Service Manual - Taller - Reparation - Reparaturanleitung - Officina

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YAMAHA YBR125ED - MULTILANGUAGE SERVICE MANUAL


- English, French, German, Italian and Spanish Service Manual, in PDF format, to motorcycles Yamaha YBR125ED


CONTENTS:


GENERAL INFORMATION
- VEHICLE IDENTIFICATION
Vehicle identification number
Model label
- IMPORTANT INFORMATION
Preparation for disassembly and disassembly
Spare parts
Gaskets, oil seals and O-rings
Lock washers/lock plates
And split pins
Bearings and oil seals
elastic rings
- CHECKING THE CONNECTIONS
- SPECIAL TOOLS

SPECIFICATIONS
- GENERAL SPECIFICATIONS
- ENGINE SPECIFICATIONS
- CHASSIS SPECIFICATIONS
- ELECTRICAL SYSTEM SPECIFICATIONS
- CONVERSION TABLE
- SPECIFICATIONS OF GENERAL TIGHTENING TORQUES
- TIGHTENING TORQUES
Engine tightening torques
Chassis tightening torques
- GREASE POINTS AND TYPES OF LUBRICANT
Engine
Chassis
- GREASE DIAGRAMS
- CABLE ARRANGEMENT

PERIODIC CHECKS AND ADJUSTMENTS
- INTRODUCTION
- PERIODIC MAINTENANCE AND GREASING CHART
- SIDE COVERS, SEAT AND FUEL TANK
- BATTERY AND BATTERY CASE
- ENGINE
Valve clearance adjustment
Checking and adjusting the exhaust gases
Engine idle adjustment
Throttle cable slack adjustment
Checking the spark plug
Checking the ignition timing
Compression pressure measurement
Checking the engine oil level
Engine oil change
Clutch cable slack adjustment
Cleaning the air filter element
Checking the carburetor gasket
and intake manifold
Checking the faucet tube and filter
fuel passage
Checking the crankcase breather tube
Checking the exhaust system
- CHASSIS
rear brake adjustment
Checking the brake fluid level
Checking the front brake pads
Checking the rear brake shoes
Rear brake light switch adjustment
Checking the front brake pipe
Bleeding the hydraulic brake system
Drive chain slack adjustment
Drive chain lubrication
Checking and adjusting the column
From the address
Checking the front fork
Adjustment of shock absorber assemblies


Rears
Checking the tires
Checking the wheels
Checking and lubricating the cables
Greasing the levers and pedals
Lubricating the center stand
- ELECTRIC SYSTEM
Checking and charging the battery
Checking the fuse
Changing the headlight bulb
Headlight beam adjustment

CHASSIS
- FRONT WHEEL AND BRAKE DISC
Front wheel
Front wheel removal
Checking the front wheel
Checking the brake disc
Checking the gear unit
speedometer
Front wheel assembly
REAR WHEEL, BRAKE SHOE PLATE AND PINION
- OF THE REAR WHEEL
rear wheel
Brake shoe plate and wheel sprocket
Rear
Rear wheel removal
Checking the rear wheel
Checking the rear wheel drive hub
Checking and replacing the wheel sprocket
Rear
Brake check
Brake shoe plate assembly
Rear wheel and sprocket assembly
- FRONT BRAKE
Front brake pads
Changing the front brake pads
Front brake master cylinder
Disassembly of the front brake master cylinder
Checking the front brake master cylinder
Assembly and assembly of the front brake master cylinder
front brake caliper
Disassembling the front brake caliper
Checking the front brake caliper
Assembly and assembly of the front brake caliper
- FRONT FORK
Disassembly of the front fork bars
Disassembly of the front fork bars
Checking the fork legs
Lead
Assembling the front fork bars
Installing the front fork legs
- HANDLEBAR
Handlebar disassembly
Checking the handlebar
Handlebar assembly
- STEERING COLUMN
Headlight and instrument cluster
Bottom Bracket
Bottom Bracket Disassembly
Checking the steering column
Steering column installation
- DRIVE CHAIN ​​AND MOTOR SPROCKET
Transmission chain disassembly
Checking the drive chain
Drive chain assembly
- REAR SHOCK ABSORBER AND SWINGARM ASSEMBLY
Disassembly of the shock absorber assemblies
Rear and swingarm
Checking the shock absorber assemblies
Rears
Checking the swingarm
Assembly of shock absorber assemblies
Rear and swingarm

ENGINE
- ENGINE DISASSEMBLY
muffler assembly
Cables, tubes and footrest
Engine

Engine installation
- HEAD
Cylinder head disassembly
Checking the cylinder head
Checking the tappet covers
and camshaft sprocket cover
Checking the chain tensioner
Of distribution
Checking the camshaft sprocket
Cylinder head installation
- ROCKER AND CAMSHAFT
Removal of rocker arms and camshaft
Checking the camshaft
Checking the rocker arms and shafts
Of the rockers
Installing the rocker arms and camshaft
- VALVES AND VALVE SPRINGS
Valve disassembly
Checking valves and valve guides
Checking valve seats
Checking the valve springs
Valve installation
- CYLINDER AND PISTON
Cylinder and piston disassembly
Checking the cylinder and piston
Checking the piston rings
Checking the piston pin
Piston and cylinder installation
- CLUTCH
clutch cover
Clutch
Clutch pusher lever
Clutch disassembly
Checking the friction discs
Checking the clutch discs
Checking the clutch springs
Checking the clutch box
Checking the clutch chamber
Checking the pressure plate
Checking the pusher lever
Clutch and clutch push rod
Short
Checking the primary drive gear
and primary driven gear
Clutch assembly
- GEAR SHAFT AND STOP LEVER
Checking the gear shaft
Checking the stop lever
Checking the shift drum segment
Shaft and shift pedal assembly
- PEDAL START
Checking the kick start
Mounting the kick starter
STARTER MOTOR CLUTCH AND ROTOR
- FROM THE MAGNETO AC
Disassembly of the ac magneto rotor
Starter clutch disassembly
Checking the coil assembly
Pickup/stator
Checking the starter clutch
Starter Clutch Assembly
AC Magneto Rotor Assembly
- OIL PUMP
Checking the oil pump
Checking the oil cleaner
Checking the rotary filter
Assembling the oil pump
Oil pump installation
Installing the rotary filter
- CRANKCASE
Crankcase bearings
Crankcase separation
Checking the crankcase
Checking the timing chain and guide
From the distribution chain
Checking bearings and oil seals
Crankcase assembly
- CRANKSHAFT
Crankshaft and compensator
Disassembly of the crankshaft and compensator
Checking the crankshaft
Crankshaft and compensator assembly
- GEARBOX
Checking the shift forks
Checking the shift drum
Checking the gearbox
Checking the push rod
Long clutch
Assembling the main axle and rear axle
Gearbox assembly

CARBURETOR
- CARBURETOR
Checking the carburetor

Carburetor assembly
Carburetor installation
Fuel level measurement and adjustment
Checking the fuel cock
- AIR INDUCTION SYSTEM
Air injection
Air shut-off valve
Air induction system diagrams
Air shutoff valve assembly
Checking the air induction system

ELECTRIC SYSTEM
- ELECTRIC COMPONENTS
- CHECKING THE CONTINUITY OF THE SWITCHES
- CHECKING THE SWITCHES
- CHECKING BULBS AND CAPS
Types of bulbs
Checking the condition of the bulbs
Checking the condition of the bushings
- IGNITION SYSTEM
Circuit diagram
Troubleshooting
- ELECTRICAL STARTING SYSTEM
Circuit diagram
Circuit cutting system operation
Boot
Troubleshooting
- STARTER MOTOR
Checking the starter motor
Assembling the starter motor
- CHARGING SYSTEM
Circuit diagram
Troubleshooting
- LIGHTING SYSTEM
Circuit diagram
Troubleshooting
Checking the lighting system
- SIGNALING SYSTEM
Circuit diagram
Troubleshooting
Checking the signaling system
- CARBURETOR HEATER SYSTEM
Circuit diagram
Troubleshooting

TROUBLESHOOTING
- STARTING FAULTS
Engine
Fuel system
Electric systems
- INCORRECT IDLE
Engine
Fuel system
Electric systems
- REDUCED PERFORMANCES AT MEDIUM AND HIGH SPEED
Engine
Fuel system
- FAULTY GEARSHIFT
Difficult to shift gears
The shift pedal does not move
The marches jump
- BROKEN CLUTCH
The clutch slips
The clutch drags
- OVERHEATING
Engine
Fuel system
Chassis
Electric systems
- INSUFFICIENT BRAKING
- FRONT FORK BARS DAMAGED
Oil leak
Malfunction
- UNSTABLE BEHAVIOR
- FAULTY LIGHTING OR SIGNALING SYSTEM
The headlight does not turn on
Headlight bulb burned out
Taillight/brake light does not come on
Burnt taillight/brake light bulb
The turn signals do not turn on
Turn signals flash slowly
The turn signals stay on
Turn signals flash fast
The horn does not sound

ELECTRICAL DIAGRAM OF THE YBR125ED