The Kawasaki KX250F 2003 is a distinguished motocross motorcycle, representing a significant point in Kawasaki's lineage of performance-oriented off-road vehicles. Engineered for the demands of competitive racing and spirited trail riding, this model embodies Kawasaki's commitment to innovation and rider-centric design. Its robust 2-stroke, single-cylinder engine, displacing 249 cc, delivers potent power, while the liquid-cooled system ensures optimal operating temperatures. The motorcycle's chassis is built for agility and control, featuring a sturdy frame, hydraulic disc brakes, and a sophisticated suspension system, all contributing to its reputation for reliability and capability on challenging terrain.
This digital service repair manual provides comprehensive guidance for the Kawasaki KX250F 2003. It covers a wide array of essential information, including general vehicle overviews, detailed periodic maintenance procedures, and in-depth instructions for the fuel, cooling, lubrication, and electrical systems. Mechanics and owners will find detailed coverage of engine top-end, right-side components, removal and installation, crankshaft, transmission, wheels, tires, final drive, brakes, suspension, steering, and frame. The manual includes step-by-step diagrams, torque specifications, fluid capacities, and troubleshooting advice, making it an invaluable resource for maintaining, repairing, and optimizing the performance of this motocross machine.
Vehicle Type:
Motocross Motorcycle
Product Name:
Kawasaki KX250 F 2003 Digital Service Repair Manual
Target Audience:
Owners, Mechanics, DIY Enthusiasts for Kawasaki KX250F (2003 model)
Value Proposition:
Provides official dealer-level information for DIY repairs and maintenance, saving time and money.
Manual Features:
Comprehensive coverage, detailed diagrams, torque specs, fluid capacities, electrical schematics.
Usability:
Simple to use, packed with essential information.
General Information:
Included
Periodic Maintenance:
Included
Engine Right Side:
Included
Engine Lubrication System:
Included
Engine Removal Installation:
Included
Crankshaft Transmission:
Included
Electrical System:
Included
Estimated Pages:
Extensive (Detailed step-by-step diagrams and instructions imply significant page count, exact number not specified in product info)
Type:
Digital Service Repair Manual
Language:
English (Implied by product description and target market)
Software:
Adobe PDF Reader, WinZip
Operating Systems:
All Versions of Windows & Mac
Zoom Functionality:
Yes (Zoom In/Out)
Engine Systems:
Top End, Right Side, Lubrication, Removal/Installation, Crankshaft, Transmission
Chassis Systems:
Wheels, Tires, Final Drive, Brakes, Suspension, Steering, Frame
Fuel And Cooling:
Fuel System, Cooling System
Electrical:
Electrical System (Includes Diagrams)
Maintenance:
Periodic Maintenance, Routine Checks, Fluid Changes
Repair:
All Workshop Procedures, Engine Rebuilds, Component Replacement
Diagnostics:
Troubleshooting guidance implied by 'step by step diagrams for all workshop procedures'
Technical Data:
Torque Settings, Fluid Capacities
Depth:
Comprehensive (From basic tasks like 'changing the plugs' to complex rebuilds and electrical diagnostics)
Diagrams:
Step-by-step diagrams for all workshop procedures
Completeness:
Complete (Same as official dealer workshop manuals)
Searchability:
Likely searchable text within PDF (standard for quality manuals)
Printability:
Yes (Implied by digital format and user needs)
Quality:
Digital, high-resolution diagrams and text
Binding:
N/A (Digital Format)
Paper:
N/A (Digital Format)
Engine Type:
2-Stroke, Single Cylinder
Displacement:
249 cc (Cubic Centimeters)
Bore X Stroke:
66.4 mm x 72.0 mm (Refer to manual for exact specifications)
Compression Ratio:
8.8:1 (Typical for this model, confirm in manual)
Cooling System:
Liquid-Cooled
Horsepower:
Approx. 40-45 HP (Estimate, specific dyno figures may vary and are found in manual)
Torque:
Refer to manual for specific torque figures and power curves.
Fuel Delivery:
Carburetor (Mikuni VM29SS, typically)
Fuel Type:
Unleaded gasoline (Octane rating to be specified in manual)
Lubrication Type:
Premix or Oil Injection (Refer to manual for specific model configuration)
Engine Removal Installation
Procedure Detail:
Detailed steps for engine removal and installation are covered.
Transmission Type:
5-Speed Manual
Gear Ratios:
Specific gear ratios are detailed within the manual.
Clutch Type:
Wet multi-disc clutch
Transmission Fluid Spec:
Refer to manual for specific transmission oil type and capacity (e.g., SAE 10W-40)
Overall Length:
Approx. 2170 mm (Confirm exact figure in manual)
Overall Width:
Approx. 815 mm (Confirm exact figure in manual)
Overall Height:
Approx. 1280 mm (Confirm exact figure in manual)
Dry Weight:
Approx. 94.5 kg (209.3 lbs) (Confirm exact figure in manual)
Curb Weight:
Refer to manual for curb weight including fluids.
Front Tire Size:
80/100-21 51M (Confirm specific designation in manual)
Rear Tire Size:
100/90-19 57M (Confirm specific designation in manual)
Wheelbase:
Approx. 1475 mm (58.1 in) (Confirm exact figure in manual)
Safety Standards:
Motorcycle safety standards apply. Manual covers component safety and proper assembly.
Braking System:
Hydraulic disc brakes front and rear. Manual details maintenance and specifications.
Frame Design:
Sturdy frame construction for rider control and stability. Manual details frame inspection.
Infotainment System:
N/A (This is a performance motocross motorcycle; no infotainment features.
Assistance Features:
N/A (No electronic rider aids typical for this era and type of vehicle).
Connectivity Options:
N/A (No connectivity features).
Oil Change Interval:
Refer to manual for recommended intervals based on usage (e.g., hours of operation or mileage).
Air Filter Cleaning:
Frequent cleaning/replacement recommended, specific intervals in manual.
Spark Plug Replacement:
Refer to manual for recommended service life and replacement procedures.
Coolant Type:
Specific type of antifreeze/coolant mixture required (e.g., ethylene glycol-based, 50/50 mix). Details in manual.
Brake Fluid Type:
DOT 4 brake fluid is typically recommended. Confirm specific type and bleeding procedures in manual.
Engine Oil Capacity:
Refer to manual for exact oil capacity for engine lubrication.
Common Wear Items:
Clutch wear, piston ring wear, fork seal leaks, chain and sprocket wear are common for motocross bikes of this era. Manual provides inspection and replacement guidance.
Carburetor Tuning:
Carburetor jetting and adjustment can be sensitive to altitude and temperature. Manual provides baseline settings and tuning advice.
Kawasaki Motorcycles:
Kawasaki has a long-standing reputation for performance and innovation in motocross and off-road racing.
Kx250F Lineage:
The KX250F line is a cornerstone of Kawasaki's motocross offerings, continuously evolving to meet racing demands. The 2003 model represents a significant point in its development.
Manufacturing Location:
Typically Japan or similar, confirm specific model year origin in manual.
Motocross Competitions:
Kawasaki KX models have a strong history of success in professional motocross and Supercross racing. Specific awards for the 2003 model would be tied to rider championships of that year.
