2010 Kawasaki KX250F Service Repair Manual Motorcycle

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Tipo: Motorcycle

Proveedor:

SKU: 49302

Etiquetas: 2010 Kawasaki KX250F Misc Motorcycle Motorcycles

Variantes de producto

Descripción

The KX250F, a potent 2010 motocross motorcycle, represents a significant achievement in high-performance off-road engineering. Renowned for its potent liquid-cooled, four-stroke, DOHC engine with a 249 cc displacement and advanced Digital Fuel Injection (DFI) system, this model is built for competitive racing. Its agile chassis, featuring a perimeter aluminum alloy frame and sophisticated suspension components, including a 48mm inverted telescopic front fork and Uni-Trak rear suspension, ensures exceptional handling and rider control on demanding tracks. The KX250F is a direct competitor in the highly contested 250cc four-stroke motocross segment, favored for its blend of power delivery and chassis responsiveness, backed by extensive motorsports heritage. This comprehensive service manual provides detailed guidance for owners and technicians to maintain and repair the 2010 KX250F. Covering all essential systems, including engine assembly and disassembly, fuel injection, drivetrain, chassis, and electrical components, this workshop guide offers step-by-step procedures for routine maintenance, troubleshooting, and complete overhauls. With over 400 pages of information in English, it includes critical technical specifications, torque values, fluid recommendations, and diagnostic procedures for common issues. The manual is designed to facilitate optimal performance and longevity, ensuring the KX250F remains a competitive machine.

🏷️ Basic Information

Identification

Make:

Kawasaki

Model:

KX250F

Year:

Vehicle Type:

Motocross Motorcycle

Codes

Oem Manual Code:

99969-1125-01

👋 Introduction

Market Position

Competitive Segment:

High-performance 250cc four-stroke motocross bike, competing against Yamaha YZ250F, Honda CRF250R, and Suzuki RM-Z250

Competitive Analysis

Key Selling Points:

Renowned for its potent engine, nimble handling, and advanced chassis design, the KX250F is a favorite among amateur and professional racers

Key Features

Model Distinction:

The 2010 KX250F represents a refinement of Kawasaki's championship-winning motocross platform, emphasizing power delivery and chassis responsiveness

📋 Manual Details

Coverage Areas

Manual Type:

Service Manual / Repair Manual / Workshop Guide

Language:

English

Format:

PDF Download

Page Count

Estimated Page Count:

Over 400 pages (typical for this model and type of manual)

📖 Manual Coverage

Systems Covered

Engine Systems:

Engine assembly, disassembly, lubrication, cooling, ignition, fuel injection (DFI), starting system, charging system

Drivetrain Systems:

Clutch, transmission, gearbox, drive chain maintenance, lubrication

Chassis Systems:

Frame, suspension (front fork, rear shock), steering system, wheels, tires, brakes (front and rear)

Electrical Systems:

Wiring diagrams, lighting, ignition system troubleshooting, battery, charging system, ECU diagnosis

Bodywork And Cosmetics:

Fairings, seat, fenders, graphics, plastic components

Procedures Included

Maintenance Procedures:

Routine checks, oil changes, filter replacements, spark plug servicing, chain adjustment, lubrication points

Repair Procedures:

Engine overhaul, transmission rebuild, suspension fork service, brake caliper overhaul, carburetor cleaning/adjustment (if applicable to specific variants/years), electrical component testing and replacement

Troubleshooting Guides:

Diagnostic procedures for common performance issues, starting problems, electrical faults, and mechanical noises

Technical Specifications:

Torque specifications, clearances, fluid capacities, electrical resistance values, diagnostic trouble codes (DTCs)

Technical Depth

Depth Of Information:

Comprehensive, covering all aspects from basic maintenance to complete engine and chassis rebuilds, including in-depth electrical system diagnostics and DFI system tuning

📊 Manual Specifications

File Format

Digital Format:

PDF (Portable Document Format)

Print Quality

Document Clarity:

High resolution, clear text and diagrams for easy readability and printing

Binding Type

Delivery Format:

Digital Download (not a physical book)

Paper Type

Print Recommendation:

Printable on standard paper sizes (A4, Letter) for home or shop use

⚙️ Engine Specifications

Primary Engine

Engine Type:

Liquid-cooled, four-stroke, DOHC, four-valve single

Displacement:

249 cc

Bore X Stroke:

77.0 x 53.5 mm

Performance

Horsepower:

Approx. 37-39 HP (at crankshaft, estimated)

Torque:

Approx. 20-22 lb-ft (at crankshaft, estimated)

Fuel System

Fuel Delivery:

Digital Fuel Injection (DFI) with dual injectors, Keihin throttle body

Ignition Type:

Digital CDI with variable ignition timing

Engine Components

Compression Ratio:

12.7:1

Valve Train:

DOHC, 4 valves

Crankshaft:

Roller bearing supported

🔧 Transmission

Standard

Transmission Type:

5-speed constant mesh

Clutch Type:

Wet, multi-disc, cable operated

Features

Gear Ratios:

Specific ratios detailed in the manual (e.g., 1st: 2.571, 2nd: 1.933, 3rd: 1.529, 4th: 1.238, 5th: 1.034)

Final Drive:

O-ring sealed chain, 14T front sprocket, 52T rear sprocket (typical)

📐 Dimensions

Exterior

Overall Length:

2185 mm (86.0 in)

Overall Width:

815 mm (32.1 in)

Overall Height:

1270 mm (50.0 in)

Wheelbase:

1480 mm (58.3 in)

Ground Clearance:

330 mm (13.0 in)

Seat Height:

960 mm (37.8 in)

Weights

Dry Weight:

95 kg (209.4 lbs)

Curb Weight:

102 kg (224.9 lbs) (approximate, with all necessary fluids)

Fuel Capacity:

8.0 L (2.1 gal)

🛡️ Safety Features

Ratings

Crash Safety:

Motocross bikes are not typically rated by consumer safety organizations like NHTSA or Euro NCAP. Focus is on rider control and protective gear.

Active Features

Braking System:

Hydraulic disc brakes front and rear. Front: Petal-style disc (270mm), Rear: Petal-style disc (240mm).

Suspension Components:

Front: 48mm inverted telescopic fork with adjustable compression and rebound damping. Rear: Uni-Trak with adjustable preload, compression, and rebound damping.

Passive Features

Frame Design:

Perimeter, aluminum alloy, designed for rigidity and mass centralization.

💡 Technology Features

Infotainment

Infotainment System:

Not applicable (motocross racing focus, no entertainment systems)

Driver Assistance

Rider Aid Systems:

None (motocross focus, requires direct rider input)

Connectivity

Connectivity Features:

Not applicable

Engine Management

Digital Fuel Injection:

The DFI system with dual injectors (one at the throttle body, one in the injector holder) provides precise fuel delivery for improved power and throttle response across the rev range. The manual details DFI system diagnosis and adjustment.

Ignition System:

Digital ignition with advanced timing control, optimized for performance. Manual covers ignition system component testing.

🔧 Maintenance

Service Intervals

Engine Oil Change:

Every 10-15 hours of riding, or annually. Specific recommendations are in the manual.

Air Filter Cleaning:

After every few rides, or as needed based on conditions. Critical for DFI system health.

Spark Plug Replacement:

Recommended every 20-30 hours of riding, or as per manual inspection.

Valve Clearance Check:

Initial check at 10 hours, then every 20-30 hours. Essential for engine longevity.

Fluid Specifications

Engine Oil Type:

SAE 10W-40, API SG or higher. JASO MA certified motorcycle oil. (e.g., Kawasaki Genuine Oil or equivalent)

Engine Oil Capacity:

1.5 L (1.6 US qt) without filter change; 1.6 L (1.7 US qt) with filter change.

Coolant Type:

High-quality ethylene glycol-based coolant with distilled water (50/50 mix). Kawasaki Coolant or equivalent.

Brake Fluid Type:

DOT 4 brake fluid.

Known Issues

Common Wear Items:

Clutch plates, chain and sprockets, brake pads, tires, fork seals.

Potential Engine Issues:

Valve seat wear (if regular maintenance is neglected), piston ring wear, occasional fuel injector clogging (DFI system).

Suspension Maintenance:

Regular fork seal replacement and fork oil changes are critical for maintaining optimal damping performance.

📚 Vehicle History

Brand Heritage

Kawasaki Motorsports:

Kawasaki has a long and successful history in motorsports, particularly in motocross and supercross, with numerous championships won by KX models.

Model Evolution

Kx250F Development:

The KX250F line has consistently evolved with key technological advancements, including the adoption of fuel injection and refined chassis designs to improve performance and rider feedback.

Production

Manufacturing Location:

Japan (primary)

Model Year Significance:

The 2010 model brought significant updates, including refined fuel injection mapping and suspension adjustments to optimize performance for competitive racing.

🏆 Awards & Recognition

Recognitions

Motorsports Achievements:

Kawasaki KX models have a strong history of winning championships in AMA Supercross, Motocross, and World Motocross Grand Prix series, indicating proven performance and reliability in competitive environments.