The Cyclepedia Press LLC, Yamaha YZ125 (2 Stroke) online service manual features detailed full-color photographs and wiring diagrams, complete specifications with step-by-step procedures performed and written by a veteran Yamaha dealer trained technician.
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The Yamaha YZ125 two-stroke online manual covers:
2005 Yamaha YZ125T
2006 Yamaha YZ125V
2007 Yamaha YZ125W
2008 Yamaha YZ125X
2009 Yamaha YZ125Y
2010 Yamaha YZ125Z
2011 Yamaha YZ125A
2012 Yamaha YZ125B
2013 Yamaha YZ125D
2014 Yamaha YZ125E
2015 Yamaha YZ125F
2016 Yamaha YZ125G
2016 Yamaha YZ125XG
2017 Yamaha YZ125H
2017 Yamaha YZ125XH
2018 Yamaha YZ125J
2018 Yamaha YZ125XJ
2019 Yamaha YZ125K
2019 Yamaha YZ125XK
2020 Yamaha YZ125
When you become a subscriber you get the following information!
Quick Reference
Specifications
Torque Specs
VIN and Engine Number
Periodic Maintenance
Periodic Maintenance Chart
Air Filter Servicing
Brake Bleeding
Brake Fluid
Brake Inspection
Clutch Cable Inspection and Adjustment
Compression Check
Cylinder Head, Cylinder, Piston, Exhaust Valve Cleaning
Chain Drive and Guides
Engine Idle Speed
Front Suspension Settings
Fuel Filter
Fuel Line
Lubrication
Rear Suspension Settings
Silencer Inspection
Spark Plug
Steering Head Inspection and Adjustment
Suspension Inspection
Throttle Free Play
Tires
Torque Check Points
Transmission Oil
External Components
Bodywork
Brake Pedal
Exhaust System
Footpegs
Fuel Tank
Handlebar
Seat
Side Stand (YZ125X)
Sub Frame
Yamaha Ttr 125 Manual Free
Cooling System
Coolant
Radiators
Water Pump
Engine
Cylinder Head
Piston and Cylinder
Exhaust Valve (YPVS)
Exhaust Valve Governor
CDI Magneto
Clutch Removal
Clutch Installation
Primary Drive Gear
Right Side Crankcase Cover
Kick Starter
Engine Removal
Engine Installation
Crankcase Splitting
Crankcase Bearings and Seals
Crankcase Assembly
Crankshaft and Rod
Gearshift
Transmission Removal
Transmission Installation
Fuel System
Air Box
Carburetor Removal
Carburetor Disassembly
Carburetor Assembly
Carburetor Installation
Fuel Level Adjustment
Jetting
Reed Valve
Final Drive
Drive Chain
Engine Sprocket
Rear Wheel Sprocket

Brakes
Front Caliper
Front Master Cylinder
Rear Caliper
Rear Master Cylinder
Rotor (Front or Rear)
Front Suspension
Fork Removal and Installation
Fork Disassembly
Fork Assembly
Rear Suspension
Shock Absorber
Suspension Linkage
Swing Arm
Steering
Steering Head Removal
Steering Head Installation
Wheels
Front Wheel
Rear Wheel
Wheel Inspection
Bearing Replacement
Electrical System
Ignition System
Solenoid Valve
TPS (Throttle Position Sensor)
Wiring Diagrams
The Cyclepedia.com 1998-2004 Yamaha YZ125 online service manual features detailed full-color photographs and wiring diagrams, complete specifications with step-by-step procedures performed and written by a professional Yamaha technician.

Print only the pages you need from your repair manual and take them to the garage or work wirelessly on your laptop right next to your 1998-2004 Yamaha YZ125! You have complete freedom to access your 1998-2004 Yamaha YZ125 manual from anywhere in the world, anytime. Plus each subscription includes FREE TECHNICAL SUPPORT * should you ever need it.
The 1998-2004 Yamaha YZ125 Online Service Manual will help you repair the following motorcycles:
2004 Yamaha YZ125RS1
2003 Yamaha YZ125R
2002 Yamaha YZ125P
2001 Yamaha YZ125N1
2000 Yamaha YZ125M1
1999 Yamaha YZ125L1
1998 Yamaha YZ125K1
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When you subscribe to the Yamaha YZ-125 online service manual you’ll get instant access to the following information and more! The photos you see here are just a small sample of what you’ll get in our online shop manual. Why pay more for poor quality photos elsewhere?

Periodic Maintenance- Periodic Maintenance Chart, Clutch Cable Adjustment, Throttle Free Play, Engine Idle Speed, Drive Chain Adjustment, Brake Fluid, Brake Inspection, Transmission Oil, Spark Plug, Air Filter Servicing, Tires,
Quick Reference- Specifications, VIN and Engine Number Location, Torque Specifications
Yamaha Cygnus Z 125 Manual
Cooling System- Coolant, Radiator, Water Pump
Fuel System- Carburetor Removal, Carburetor Installation, Carburetor Assembly, Carburetor Disassembly, Carburetor Specifications, Fuel Strainer, Airbox
External Components- Side Covers, Seat, Fuel Tank, Footpegs, Front Number Plate, Handlebar, Front Fender, Rear Fender, Exhaust System
Engine- Engine Specifications, Cylinder Head, Power Valve, Cylinder and Piston, Clutch, Magneto, Right Crankcase Cover, Gearshift, Primary Drive Gear, Reed Valve, Kick Starter, Engine Removal, Engine Installation, Crankcase Splitting, Crankcase Assembly, Crankshaft, Crankcase Bearings, Transmission Removal, Transmission Assembly, Five Speed Transmission, Six Speed Transmission
Final Drive- Drive Chain, Engine Sprocket, Rear Wheel Sprocket
Front Brake- Front Brake Master Cylinder, Front Brake Caliper
Rear Brake- Rear Brake Caliper, Brake Disc, Master Cylinder and Pedal
Wheels- Wheel and Axle Inspection, Front Wheel, Rear Wheel, Bearing Replacement
Steering- Steering
Front Suspension- Fork Removal and Installation, Front Fork, Specifications, Suspension Settings
Rear Suspension- Shock Absorber, Specifications, Swingarm Removal, Swingarm Installation, Suspension Settings
Electrical System- Electrical Specifications, Ignition System, Wiring Diagrams
Online Yamaha YZ125 Parts Diagrams
Yamaha YZ125 Troubleshooting
Professional Tech Support