🏷️ Basic Information

Make:

Kawasaki

Model:

Ninja 250R

Model Code:

EX250K

Product Name:

Kawasaki Ninja 250R 2008-2012 Workshop Service Manual PDF Download

👋 Introduction

Target Audience:

Motorcycle owners, DIY enthusiasts, independent repair shops, and professional mechanics.

Value Proposition:

Provides essential repair and maintenance information for a popular entry-level sportbike, enabling cost savings and extended vehicle lifespan.

Instant Download:

Immediate access to the manual upon purchase, eliminating shipping delays and costs.

Digital Format:

Convenient PDF format accessible on various devices (computers, tablets, smartphones).

📋 Manual Details

Years Covered:

2008, 2009, 2010, 2011, 2012

Page Count:

520

Manual Type:

Workshop Service Manual / Repair Manual

Language:

English

Format:

PDF Download

📖 Manual Coverage

Engine System:

Complete engine overhaul, including disassembly, inspection, assembly, valve clearance adjustment, lubrication system, cooling system, fuel system, ignition system, emission control.

Transmission System:

Clutch operation, gearbox inspection and repair, shift mechanism, lubrication.

Chassis System:

Frame inspection, suspension (front forks and rear shock absorber), steering system, wheels, tires, brakes (front and rear hydraulic disc brakes), final drive (chain).

Electrical System:

Wiring diagrams, battery, charging system (alternator, regulator/rectifier), ignition system (ECU, ignition coils), lighting (headlight, taillight, turn signals), instrumentation, starting system, horn, fuses, relays.

Fuel System:

Carburetor (dual Keihin CVK34) service, fuel pump, fuel tank, fuel lines.

Cooling System:

Radiator, cooling fan, coolant, hoses, water pump.

Exhaust System:

Exhaust pipes, muffler, catalytic converter (if applicable).

Bodywork And Trim:

Fairing removal and installation, seat, fuel tank cover, fenders, mirrors, handlebars.

Routine Maintenance:

Oil and filter changes, air filter cleaning/replacement, spark plug replacement, chain adjustment and lubrication, brake fluid checks, tire pressure checks, coolant level checks.

Troubleshooting Guides:

Diagnostic procedures for common problems, electrical system diagnostics, engine performance issues, starting difficulties.

Disassembly And Assembly:

Step-by-step instructions for removing and reinstalling major components and sub-assemblies.

Engine Rebuild:

Detailed procedures for engine disassembly, component inspection, piston/ring replacement, cylinder honing, valve seat grinding, crankshaft and connecting rod checks.

Brake System Repair:

Brake pad replacement, caliper servicing, brake line replacement, bleeding the brake system.

Suspension Service:

Front fork oil change and seal replacement, rear shock absorber inspection and adjustment.

Electrical Component Testing:

Testing ignition coils, stator, regulator/rectifier, starter motor, battery.

Carburetor Tuning:

Carburetor synchronization, idle speed adjustment, mixture control.

Depth Of Coverage:

Comprehensive coverage from basic maintenance and routine servicing to complete engine overhaul and advanced diagnostics.

📊 Manual Specifications

File Type:

Portable Document Format (PDF)

Resolution:

High-resolution scans ensuring clarity of text and diagrams.

Binding Type:

Not Applicable (Digital Download)

Paper Type:

Not Applicable (Digital Download)

Search Functionality:

Searchable text within the PDF document allows for quick information retrieval.

Printable:

Yes, the PDF is designed to be printable for workshop use.

⚙️ Engine Specifications

Engine Type:

Liquid-cooled, 4-stroke, DOHC, parallel-twin

Displacement:

249 cc (15.2 cu. in.)

Bore X Stroke:

62.0 x 41.2 mm (2.44 x 1.62 in.)

Compression Ratio:

11.6:1

Horsepower:

Approximately 30-34 hp (depending on region and specific tuning)

Torque:

Approximately 17-18 lb-ft

Fuel Delivery:

Dual Keihin CVK34 carburetors

Fuel Tank Capacity:

18 L (4.8 US gal)

Oil Type:

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

Oil Capacity With Filter Change:

1.6 L (1.7 US qt)

Coolant Type:

Ethylene glycol based coolant with distilled water (50/50 mixture)

🔧 Transmission

Transmission Type:

6-speed, constant mesh

Clutch Type:

Wet, multiple disc

Gear Ratios:

Specific ratios detailed within the manual, enabling precise engine performance at various speeds.

Final Drive:

Sealed chain (520)

Transmission Oil Type:

API GL-4, SAE 80W-90 (Specific Kawasaki recommendation may vary)

📐 Dimensions

Length:

2005 mm (78.9 in.)

Width:

750 mm (29.5 in.)

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.)

Curb Weight:

Approximately 169 kg (373 lbs)

Front Tire Size:

110/70-17 M/C 54H

Rear Tire Size:

130/70-17 M/C 62H

Front Brake Type:

Single hydraulic disc

Rear Brake Type:

Single hydraulic disc

Wheel Bolt Pattern:

Not applicable (cast wheels)

🛡️ Safety Features

Safety Features:

ABS was an optional feature on some international models but generally not standard on the 250R in many markets.

Braking System:

Dual hydraulic disc brakes provide effective stopping power.

Frame Construction:

High-tensile steel backbone frame designed for rigidity and rider feedback.

💡 Technology Features

Infotainment Features:

Basic analog tachometer and digital speedometer, fuel gauge, odometer, trip meter, clock.

ABS Availability:

Optional on select models/regions.

Connectivity Features:

Not applicable for this model year.

🔧 Maintenance

Engine Oil Change Interval:

Every 6,000 km (3,700 mi) or 6 months, whichever comes first.

Air Filter Cleaning Interval:

Every 6,000 km (3,700 mi) or as needed based on operating conditions.

Spark Plug Replacement Interval:

Every 12,000 km (7,500 mi) or 12 months.

Valve Clearance Check Interval:

Every 12,000 km (7,500 mi) or 12 months.

Brake Fluid Change Interval:

Every 24,000 km (15,000 mi) or 24 months.

Front Fork Oil Type:

Kawasaki Fork Oil G10 or equivalent (e.g., Showa SS-10)

Front Fork Oil Level:

105 mm (4.1 in.)

Coolant Capacity:

1.3 L (1.4 US qt)

Common Wear Items:

Chain and sprockets, brake pads, tires, clutch plates (with high mileage).

Potential Performance Issues:

Carburetor synchronization drift, minor electrical gremlins (frequently addressed in this manual).

Spark Plug Type:

NGK CR9E or DENSO U27ESR-N

Spark Plug Gap:

0.7 - 0.8 mm (0.028 - 0.031 in.)

Idle Speed:

1300 ± 100 rpm

Chain Slack:

10-20 mm (0.39-0.79 in.)

📚 Vehicle History

Kawasaki Legacy:

Kawasaki has a long-standing reputation for producing reliable and performance-oriented motorcycles, with the Ninja line being a cornerstone of their sportbike offerings.

Ninja Lineage:

The Ninja 250R (also known as the EX250) has been a popular entry-level sportbike for decades, evolving through various iterations to offer modern styling and performance while remaining accessible to new riders.

Manufacturing Origin:

Primarily manufactured in Thailand and Japan.

Release Years:

The 2008 model year marked a significant redesign from previous generations.

🏆 Awards & Recognition

Market Acclaim:

Consistently praised as a reliable and forgiving entry-level sportbike, making it a popular choice for new riders and commuters.