menu

0
0
Your shopping cart
😊 Product added to cart successfully   Product removed to cart successfully
Your shopping cart is empty!
Continue shopping
1 2

Yamaha YZ125 Workshop Repair Manual All 2006 ONWARDS ModelS COVERED

$16.99
$16.99
🏷️ Basic Information Identification Make: Yamaha Model: YZ125 Model Variant: Motocross/Off-Road Competition Applicable Years: 2006 onwards Codes Engine Code Example: 4JT 👋 Introduction Market Position Vehicle Segment: Lightweight Motocross Competition...
18 people are viewing this right now
Type: Motorcycle
Vendor:
Yamaha
Sku: 270308
Tags: 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 AT Models Motorcycle Motorcycles Yamaha YZ125
Yamaha YZ125 Workshop Repair Manual All 2006 ONWARDS ModelS COVERED
🏷️ Basic Information
Identification
Make:
Yamaha
Model:
YZ125
Model Variant:
Motocross/Off-Road Competition
Applicable Years:
2006 onwards
Codes
Engine Code Example:
4JT
👋 Introduction
Market Position
Vehicle Segment:
Lightweight Motocross Competition Motorcycle
Key Selling Points:
Agile handling, potent 125cc two-stroke engine, proven reliability in competition.
Competitive Analysis
Direct Competitors:
KTM 125 SX, Honda CR125R (prior years), Suzuki RM125 (prior years), Kawasaki KX125 (prior years), Husqvarna TC125.
Key Features
Manual Value Proposition:
Empowers owners and technicians with the knowledge to maintain and repair their YZ125, maximizing performance and longevity.
Manual Benefit 1:
Reduces reliance on expensive dealership service for routine tasks.
Manual Benefit 2:
Facilitates accurate diagnostics and efficient repairs.
Manual Benefit 3:
Provides detailed specifications for optimal performance tuning.
📋 Manual Details
Coverage Areas
Primary Coverage:
All 2006 onwards Yamaha YZ125 models
Geographic Scope:
Global (standard specifications, regional variations may apply)
Page Count
Estimated Page Count:
400-600 pages (typical for comprehensive workshop manuals)
Manual Type
Type:
Workshop Service Repair Manual
Language
Language:
English
Format
Format:
Digital Download (PDF)
📖 Manual Coverage
Systems Covered
Engine Mechanical:
Top-end rebuild, bottom-end disassembly/assembly, piston, rings, connecting rod, crankshaft, cylinder, cylinder head, gaskets, seals.
Fuel System:
Carburetor (Mikuni VM28 or similar), fuel delivery, jets, settings, float bowl, power jet system, fuel tank, fuel lines.
Cooling System:
Radiator, coolant hoses, water pump, thermostat (if applicable), coolant specifications.
Ignition System:
CDI unit, ignition coil, spark plug, wiring, timing specifications.
Exhaust System:
Expansion chamber, silencer, packing replacement, mounting hardware.
Transmission:
Clutch (operation, disassembly, assembly, friction plates, steel plates, springs), gearbox, gear selection mechanism, lubrication.
Suspension Front:
KYB Speed Sensitive System (SSS) forks, disassembly, assembly, oil types, oil levels, seal replacement, spring rates, adjustment procedures.
Suspension Rear:
Monocross rear suspension, shock absorber disassembly, assembly, oil, gas pressure, linkage maintenance, bearing replacement, adjustment.
Brakes Front:
Hydraulic disc brake system, caliper, master cylinder, brake lines, pads, rotor, fluid type (DOT 4), bleeding procedure.
Brakes Rear:
Hydraulic disc brake system, caliper, master cylinder, brake lines, pads, rotor, fluid type (DOT 4), bleeding procedure.
Wheels And Tires:
Hubs, spokes, rims, bearing maintenance, tire selection, inflation pressures, wheel alignment.
Frame And Bodywork:
Frame inspection, subframe, footpegs, handlebars, seat, plastics, decal application.
Electrical System:
Lighting (if applicable for off-road), kill switch, wiring diagrams, basic electrical troubleshooting.
Procedures Included
Routine Maintenance:
Pre-ride inspections, chain lubrication and adjustment, air filter cleaning/replacement, spark plug inspection, general cleaning.
Engine Rebuild:
Complete top-end and bottom-end overhaul procedures, including torque specifications and measurements.
Carburetor Tuning:
Jetting recommendations for various conditions, idle adjustment, mixture screw settings, float level adjustment.
Suspension Setup:
Fork oil change, fork seal replacement, shock absorber service, sag adjustment, clicker adjustments.
Brake Maintenance:
Brake pad replacement, brake fluid flush and bleed, rotor inspection.
Clutch Adjustment And Repair:
Lever free play adjustment, clutch cable lubrication, clutch pack replacement.
Troubleshooting:
Diagnosis of common performance issues, starting problems, engine noises, and electrical faults.
Torque Specifications:
Detailed torque values for all critical fasteners and components.
Special Tools:
Identification and usage of specialized tools required for specific repair procedures.
Technical Depth
Depth:
Comprehensive (covers everything from basic maintenance to full engine and suspension overhauls)
Diagnostic Capabilities:
Detailed troubleshooting guides based on symptoms.
Rebuild Level:
Full component rebuilds (engine, transmission, suspension, brakes).
📊 Manual Specifications
File Format
File Type:
Portable Document Format (PDF)
Searchability:
Typically text-searchable for quick information retrieval.
Print Quality
Resolution:
High resolution for clear viewing of diagrams and text.
Printability:
Printable for users who prefer hard copies.
Binding Type
Binding Digital:
N/A (Digital Download)
Paper Type
Paper Digital:
N/A (Digital Download)
⚙️ Engine Specifications
Primary Engine
Engine Type:
Liquid-cooled, 2-stroke, reed valve induction
Bore X Stroke:
54.0 mm x 54.5 mm (typical)
Displacement:
124 cc
Compression Ratio:
8.6:1 - 10.4:1 (varies by year/spec)
Carburetor:
Mikuni VM28SS or similar
Ignition:
Digital CDI
Performance
Horsepower:
Approx. 35-40 HP (at crankshaft, actual output varies)
Torque:
Approx. 17-19 lb-ft (at crankshaft, actual output varies)
Fuel System
Fuel Type:
Unleaded gasoline (91-98 RON / 87-93 octane recommended), mixed with 2-stroke oil
Recommended 2 Stroke Oil:
JASO FD or API TC certified synthetic 2-stroke oil
Fuel Mix Ratio:
Typically 40:1 (fuel:oil), consult manual for specific recommendations
Fuel Tank Capacity:
Approx. 7.0 - 8.0 Liters (1.85 - 2.1 US gal)
🔧 Transmission
Standard
Transmission Type:
Constant mesh, 6-speed
Clutch Type:
Wet, multi-disc
Features
Gear Ratios:
Specific ratios detailed in the manual (e.g., 1st: 2.467, 2nd: 1.750, 3rd: 1.333, 4th: 1.143, 5th: 1.000, 6th: 0.875)
Final Drive:
Chain drive (specific sprocket sizes in manual)
Transmission Oil Type:
Yamalube XYZ or equivalent SAE 10W-30 API SE class SF, SG or SH (check manual for exact specs)
Transmission Oil Capacity:
Approx. 0.65 - 0.75 Liters (0.69 - 0.79 US qt)
📐 Dimensions
Exterior
Overall Length:
Approx. 2170 mm (85.4 in)
Overall Width:
Approx. 825 mm (32.5 in)
Overall Height:
Approx. 1280 mm (50.4 in)
Seat Height:
Approx. 990 mm (39.0 in)
Wheelbase:
Approx. 1475 mm (58.1 in)
Weights
Dry Weight:
Approx. 92 kg (203 lbs)
Wet Weight:
Approx. 95 kg (209 lbs) (with all fluids)
Front Tire Size:
80/100-21 51M
Rear Tire Size:
110/90-19 62M
Front Suspension Travel:
Approx. 300 mm (11.8 in)
Rear Suspension Travel:
Approx. 315 mm (12.4 in)
Ground Clearance:
Approx. 350 mm (13.8 in)
🛡️ Safety Features
Ratings
Safety Certification:
Not Applicable (Competition Off-Road Vehicle)
Active Features
Braking System:
Powerful hydraulic disc brakes front and rear for optimal stopping power.
Passive Features
Frame Construction:
Strong aluminum bilateral beam frame for rigidity and predictable handling.
Ergonomics:
Designed for aggressive riding posture and rider control.
💡 Technology Features
Infotainment
Infotainment System:
N/A (Competition Off-Road Motorcycle - no infotainment features)
Driver Assistance
Driver Assistance Features:
N/A (Competition Off-Road Motorcycle - no electronic driver assistance)
Connectivity
Connectivity Features:
N/A (Competition Off-Road Motorcycle - no connectivity features)
🔧 Maintenance
Service Intervals
Oil Change Transmission:
Every 10-15 hours of riding or annually.
Air Filter Cleaning:
After every few rides, or more frequently in dusty conditions.
Spark Plug Inspection:
Every 10-20 hours of riding.
Top End Rebuild:
Recommended every 40-60 hours of competitive use, or as indicated by performance degradation.
Suspension Service:
Fork seal replacement as needed, fork oil change every 20-30 hours, full suspension rebuild annually or as required.
Fluid Specifications
Coolant:
High-quality permanent type coolant (50% ethylene glycol and 50% de-ionized water). Yamaha recommends Yamalube Coolant.
Brake Fluid:
DOT 4 hydraulic brake fluid.
Known Issues
Common Wear Item 1:
Clutch wear (friction plates, springs) due to aggressive use.
Common Wear Item 2:
Piston and ring wear (especially on high-hour engines).
Common Wear Item 3:
Fork seal leaks and suspension wear.
Carburetor Tuning Sensitivity:
The 125cc two-stroke engine can be sensitive to jetting changes based on altitude and temperature.
📚 Vehicle History
Brand Heritage
Yamaha Motorsport:
Yamaha has a storied history in motocross and Grand Prix racing, with the YZ line being a cornerstone of their off-road success.
Model Evolution
Yz125 Legacy:
The YZ125 has been a dominant force in the 125cc class for decades, consistently refined for performance and competitiveness.
2006 Updates:
The 2006 model saw significant updates, including a new aluminum frame, revised suspension (KYB SSS forks), and chassis geometry improvements, making it a competitive platform for years.
Production
Manufacturing Origin:
Japan (primarily)
🏆 Awards & Recognition
Recognitions
Motorcycle Magazine Reviews:
Consistently praised in motorcycle media for its performance, handling, and competitive edge in the 125cc class.
Racing Dominance:
The YZ125 platform has seen numerous victories in amateur and professional motocross and supercross racing series.
Sale
View full product details →

Unavailable

Sold Out