2008-2012 Kawasaki Ninja 250R Service Repair Manual

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🏷️ Basic Information Identification Make: Kawasaki Model: Ninja 250R Model Code: EX250K Year: 2008-2012 Generation Generation Designation: Second Generation (EX250J/EX250K) Introduction Year: 2008 Key Updates For Generation: All-new chassis, fuel...

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Taper: Motorcycle

Distributeur:

UGS: 389061

Mots clés: 2008 2009 2010 2011 2012 Kawasaki Motorcycle Motorcycles Ninja Ninja 250R

Variantes de produits

Description

🏷️ Basic Information

Identification

Make:

Kawasaki

Model:

Ninja 250R

Model Code:

EX250K

Year:

2008-2012

Generation

Generation Designation:

Second Generation (EX250J/EX250K)

Introduction Year:

Key Updates For Generation:

All-new chassis, fuel injection, revised bodywork, improved suspension.

Codes

Chassis Code Prefix:

EX250K

👋 Introduction

Market Position

Market Segment:

Entry-level sportbike, beginner motorcycle.

Target Audience:

New riders, budget-conscious enthusiasts, commuters, track day participants.

Competitive Analysis

Key Competitors:

Honda CBR250R, Yamaha YZF-R25 (later models), Suzuki GS500F (larger displacement but similar role).

Competitive Advantages:

Reliability, affordability, ease of use, good fuel economy, strong aftermarket support.

Key Features

Design Philosophy:

Compact, lightweight, sporty styling with accessible performance.

Performance Characteristics:

Nimble handling, forgiving power delivery, excellent for learning and urban riding.

User Friendliness:

Low seat height, manageable weight, user-friendly controls contribute to its beginner-friendly reputation.

📋 Manual Details

Coverage Areas

Primary Coverage:

Full Service and Repair

Additional Coverage:

Maintenance, Troubleshooting, Diagnostics, Wiring Diagrams

Page Count

Approximate Page Count:

300-400 pages (typical for comprehensive service manuals)

Manual Type

Manual Type:

Service Repair Manual

Language

Language:

English

Format

Format:

Digital (PDF)

📖 Manual Coverage

Systems Covered

Engine Mechanical:

Complete disassembly, inspection, repair, and reassembly of engine components (cylinder head, pistons, crankshaft, camshafts, valves, etc.).

Fuel System:

Fuel injection system (EFI), throttle body, injectors, fuel pump, pressure regulator, fuel tank, fuel lines.

Cooling System:

Radiator, fan, thermostat, coolant lines, water pump.

Ignition System:

Ignition coils, spark plugs, ECU control, timing.

Transmission:

Clutch (wet multi-plate), gearbox internals, shift mechanism, lubrication.

Chassis And Frame:

Frame inspection, alignment, removal and installation of frame components.

Suspension Front:

Telescopic fork service, oil replacement, seal replacement, spring inspection.

Brakes Front:

Hydraulic disc brake system, caliper service, pad replacement, rotor inspection, hydraulic fluid flush.

Wheels And Tires:

Tire inspection and replacement, wheel bearing service, rim specifications.

Electrical System:

Battery, charging system (alternator/stator), starter motor, lighting, horn, ignition switch.

Wiring Diagrams:

Detailed color wiring schematics for all electrical circuits.

Bodywork And Trim:

Fairings, seat, fuel tank, fenders, instrument panel, removal and installation procedures.

Suspension Rear

Suspension Rear:

Monoshock absorber, linkage system, swingarm, bearing maintenance.

Brakes Rear

Brakes Rear:

Hydraulic disc brake system, caliper service, pad replacement, rotor inspection, hydraulic fluid flush.

Procedures Included

Routine Maintenance:

Oil changes, filter replacements, chain adjustment and lubrication, brake checks, tire pressure, coolant checks.

Troubleshooting:

Diagnostic procedures for common and uncommon issues, symptom-based troubleshooting guides.

Repair Procedures:

Step-by-step instructions for component removal, installation, and overhaul.

Engine Rebuild:

Full engine rebuild instructions, including torque specifications and tolerances.

Carburetor Service:

N/A for this model (fuel injected)

Fuel Injection Diagnosis:

Diagnostic trouble codes (DTCs), sensor testing, injector testing.

Suspension Tuning:

Fork oil weight and level adjustments, shock preload adjustment.

Brake Bleeding:

Procedures for bleeding both front and rear brake systems.

Electrical Troubleshooting:

Circuit testing, component testing, diagnostic flowcharts.

Technical Depth

Depth Level:

Comprehensive: Covers everything from basic rider maintenance to full engine and transmission rebuilds, including electrical system diagnostics.

Diagnostic Capabilities:

Detailed diagnostic procedures for EFI system, electrical faults, and mechanical issues.

Specification Detail:

Includes detailed torque specifications, clearances, fluid capacities, resistance values, and other critical technical data.

📊 Manual Specifications

File Format

Digital File Type:

PDF (Portable Document Format)

Searchable Text:

Yes (typically, if professionally scanned and indexed)

Printable:

Yes (designed for printing specific sections or the entire manual)

Image Quality:

High-resolution scans of original diagrams, illustrations, and photographs.

Print Quality

Print Quality Description:

N/A (Digital PDF format, printing quality depends on user's printer).

Binding Type

Binding Type Description:

N/A (Digital PDF format, no physical binding).

Paper Type

Paper Type Description:

N/A (Digital PDF format, no physical paper).

⚙️ Engine Specifications

Primary Engine

Engine Type:

Liquid-cooled, four-stroke, parallel-twin.

Displacement:

249 cc (249 cubic centimeters).

Bore X Stroke:

55.0 x 52.4 mm.

Compression Ratio:

11.0:1.

Valve Train:

DOHC, 4 valves per cylinder.

Performance

Horsepower Approx:

30-34 HP (at crankshaft, depending on region/tuning).

Torque Approx:

17-19 lb-ft (at crankshaft, depending on region/tuning).

Redline Rpm Approx:

10,500 RPM.

Fuel System

Fuel Delivery:

Fuel Injection (DFI) with dual throttle valves.

Fuel Type Required:

Unleaded gasoline, minimum 87 octane (RON+MON)/2.

Fuel Tank Capacity:

18 Liters (4.8 US gal).

🔧 Transmission

Standard

Transmission Type:

6-speed constant mesh.

Clutch Type:

Wet multi-plate.

Optional

Optional Transmission:

N/A (Always manual 6-speed).

Features

Final Drive:

RK Chain, 106 links, 520 pitch.

Gear Ratios:

1st: 2.750 (33/12), 2nd: 1.944 (35/18), 3rd: 1.560 (39/20), 4th: 1.333 (32/24), 5th: 1.160 (29/25), 6th: 1.000 (28/28).

📐 Dimensions

Exterior

Overall Length:

2005 mm (78.9 in).

Overall Width:

750 mm (29.5 in).

Overall Height:

1100 mm (43.3 in).

Wheelbase:

1370 mm (53.9 in).

Ground Clearance:

155 mm (6.1 in).

Seat Height:

780 mm (30.7 in).

Weights

Curb Weight Approx:

168-170 kg (370-375 lbs) depending on configuration.

Front Tire Size:

110/70-17 M/C 54H.

Rear Tire Size:

130/70-17 M/C 62H.

Wheel Type:

Cast aluminum alloy wheels.

Wheelbase Type:

Steel diamond frame.

🛡️ Safety Features

Ratings

Safety Ratings:

N/A (Motorcycles are not subject to the same crash ratings as cars).

Active Features

Braking System:

Dual hydraulic disc brakes (front and rear).

ABS Availability:

Optional (ABS available on some models/markets).

Passive Features

Lighting:

Halogen headlight, LED tail light.

Frame Construction:

High-tensile steel frame designed for rigidity and responsiveness.

💡 Technology Features

Infotainment

Infotainment System:

N/A (No infotainment system on this model).

Instrumentation:

Analog tachometer, digital speedometer, odometer, trip meter, fuel gauge, clock.

Driver Assistance

Driver Assistance Features:

ABS (Anti-lock Braking System) optional on select models.

Connectivity

Connectivity Features:

🔧 Maintenance

Service Intervals

Oil Change Interval:

Every 4,000 miles (6,000 km) or 6 months.

Oil Filter Change Interval:

Every 8,000 miles (12,000 km) or 12 months (or with every oil change).

Air Filter Cleaning:

Every 4,000 miles (6,000 km).

Spark Plug Replacement:

Every 7,500 miles (12,000 km).

Chain Lubrication:

Every 500 miles (800 km) or after washing/rain.

Chain Adjustment:

Check every 4,000 miles (6,000 km).

Fluid Specifications

Engine Oil Type:

SAE 10W-40, API SG or higher, JASO MA or MA2.

Engine Oil Capacity:

1.7 L (1.8 US qt) without filter change; 1.9 L (2.0 US qt) with filter change.

Coolant Type:

Permanent type antifreeze (ethylene glycol based) mixed with distilled water, 50/50 ratio.

Brake Fluid Type:

DOT 4.

Fork Oil Type:

SAE 10W (check manual for exact specification as variations may exist).

Known Issues

Common Wear Items:

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

Potential Issues:

Occasional issues with the starter relay, some owners report vibration at higher RPMs. Early models might have had minor EFI calibration quirks, generally resolved with firmware updates or proper diagnosis.

📚 Vehicle History

Brand Heritage

Kawasaki Motorcycle Division:

Kawasaki Heavy Industries' Motorcycle and Engine division has a long history of innovation and performance since its inception.

Model Evolution

Ninja 250 Lineage:

The Ninja 250 series has been a popular entry-level sportbike globally for decades, evolving through several generations to meet changing market demands and emissions standards.

Predecessor:

The 2008-2012 model replaced the previous generation (EX250E/F/G) which featured carbureted engines.

Successor:

The 2013 model saw a significant redesign and displacement increase to 300cc (Ninja 300).

Production

Manufacturing Locations:

Primarily produced in Thailand and Japan.

🏆 Awards & Recognition

Recognitions

Award History:

Consistently praised for its value, reliability, and beginner-friendliness by motorcycle publications and riders.

Ratings

Rider Reviews:

Generally high ratings for ease of use, fuel efficiency, and low running costs.

Certifications

Certification:

Meets all relevant emissions and safety standards for its respective model years and markets.