Target Audience:
Owners of 2003-2008 Kawasaki KX125 and KX250 dirt bikes seeking to perform their own maintenance, repairs, and diagnostics. Also valuable for professional motorcycle technicians.
Value Proposition:
Provides the same authoritative information used by authorized Kawasaki service centers, offering a cost-effective solution for maintaining these performance off-road motorcycles.
Instant Access:
Instant download capability, eliminating shipping time and costs.
Completeness:
Claimed to be the 'COMPLETE FACTORY SERVICE MANUAL', covering all repair procedures.
Coverage Scope:
Comprehensive repair and service for all aspects of the 2003-2008 Kawasaki KX125 and KX250 motorcycles.
Specific Models Covered:
Kawasaki KX125 (2003-2008), Kawasaki KX250 (2003-2007), with the understanding that the 2007 KX250 used a 2-stroke engine, whereas the KX250F transitioned to 4-stroke in earlier years, this manual specifically covers the 2-stroke KX250 model within the stated year range.
Estimated Page Count:
High (Typical factory service manuals are several hundred pages, specific count not provided in product info).
Manual Type:
Factory Service Repair Manual
Compatibility:
WIN/MAC/LINUX compatible.
Engine Systems:
Complete engine, engine removal and installation, engine bottom end, fuel system, exhaust system, cooling system.
Drivetrain Systems:
Final drive (chain and sprockets, gearbox components where applicable).
Chassis Systems:
Brakes (front and rear, hydraulic system, pads, calipers, master cylinders), Steering (forks, triple clamps, bearings), Suspension (front forks, rear shock absorber, linkages).
Electrical Systems:
Ignition system, lighting, wiring diagrams, battery, charging system.
Cooling Bilge System:
Radiator, hoses, water pump, thermostat (if applicable), coolant flushing and refilling procedures.
Maintenance Procedures:
Periodic maintenance, lubrication, adjustments, fluid changes, filter replacements, spark plug service, chain adjustment.
Repair Procedures:
Complete engine disassembly and reassembly, carburetor tuning/rebuild, brake system bleeding and overhaul, suspension service and rebuilding, clutch service, top-end and bottom-end engine rebuilds.
Troubleshooting:
Diagnostic procedures for common issues, fault finding, problem diagnosis.
Technical Adjustments:
Carburetor jetting, ignition timing (if adjustable), suspension sag, chain slack.
Engine Rebuild Depth:
Detailed procedures for crankshaft, connecting rod, piston, cylinder, cylinder head, and valve train (if applicable) overhaul and replacement.
Suspension Service:
Front fork seal replacement, oil changes, spring replacement, rear shock absorber service, linkage bearing maintenance.
Depth Of Coverage:
Detailed, factory-level technical information suitable for professional mechanics and experienced DIY enthusiasts. Includes specifications, tolerances, torque values, and step-by-step repair instructions.
Diagnostic Tools:
Covers use of standard mechanic's tools, feeler gauges, torque wrenches, and potentially specialized tools for certain procedures (e.g., flywheels puller).
Engine Type:
Liquid-cooled, 2-stroke
Engine Displacement Kx125:
124 cc
Engine Displacement Kx250:
249 cc
Power Delivery:
Focuses on high-revving powerbands characteristic of motocross engines.
Fuel Delivery:
Carburetor (Specific model like Keihin PWK or similar, details in manual).
Fuel Type:
Unleaded gasoline with appropriate 2-stroke oil pre-mix (Ratio specified in manual).
Oil Change Frequency:
As per manual, typically after a set number of riding hours or specific mileage for transmission oil.
Top End Rebuild:
Recommended based on operating hours/conditions (e.g., 20-40 hours for aggressive riding).
Spark Plug Service:
Periodic inspection and replacement as needed.
Chain Maintenance:
Regular cleaning, lubrication, and tension adjustment is critical.
Engine Oil Type:
2-stroke premix oil (Specific grade and ratio detailed in manual).
Transmission Oil Type:
SAE 10W-30 or 10W-40 API GL-4 (Specific recommendation in manual).
Coolant Type:
Permanent type antifreeze coolant (50/50 mix with distilled water recommended).
Common Wear Items:
Piston rings, clutch plates, wheel bearings, chain and sprockets, fork seals.
Kx250 Specific Issue:
Some models experienced carburetor jetting sensitivity requiring careful tuning based on altitude and temperature.
Carburetor Issues:
Clogged jets, needle wear, float level issues can affect performance.
Kawasaki Offroad:
Kawasaki has a long and successful history in motocross and off-road racing with the KX line, known for performance and innovation.
Kx125 Evolution:
The KX125 received significant updates through this generation, including chassis refinements and engine enhancements to remain competitive.
Kx250 Evolution:
The KX250 underwent notable chassis revisions during this period, notably the introduction of the Kayaba Speed Sensitive System (SSS) front forks for improved damping characteristics.
Manufacturing Location:
Japan (Typical for Kawasaki motorcycles).
