Segment:
Dual-sport motorcycle
Target Audience:
Off-road enthusiasts, commuters, recreational riders seeking versatility
Competitors:
Honda CRF250L, Yamaha WR250R, Suzuki DR-Z400S
Versatility:
Designed for both on-road and off-road use, offering a balance of agility and capability.
Engine Type:
Liquid-cooled, four-stroke, DOHC, single-cylinder engine known for its reliability and tractable power delivery.
Suspension:
Long-travel suspension provides excellent capability over rough terrain.
Engine Service:
Complete engine overhaul, diagnostics, disassembly, assembly, tuning
Fuel System:
Carburetor servicing, fuel pump, fuel lines, fuel tank maintenance
Ignition System:
Spark plugs, ignition coil, CDI unit, timing
Cooling System:
Radiator, coolant, fan operation, water pump
Exhaust System:
Muffler, header pipe, catalytic converter (if applicable)
Transmission Service:
Clutch operation, gear shifting mechanism, transmission disassembly and assembly
Drivetrain:
Chain drive, sprockets, lubrication
Suspension Front:
Front fork overhaul, oil seals, spring replacement, damping adjustments
Suspension Rear:
Rear shock absorber service, linkage lubrication, spring preload adjustment
Braking System Front:
Front caliper service, brake pads, brake disc, master cylinder, brake fluid replacement
Braking System Rear:
Rear caliper service, brake pads, brake disc, master cylinder, brake fluid replacement
Wheel And Tire:
Wheel bearing replacement, tire mounting, balancing
Electrical System:
Battery, charging system (alternator/stator), lighting, starter motor, wiring diagrams
Chassis And Frame:
Frame inspection, steering head bearing service, swingarm maintenance
Bodywork And Trim:
Fairing removal and installation, seat, fenders
Routine Maintenance:
Oil changes, filter replacements, chain lubrication and adjustment, brake adjustments
Troubleshooting:
Diagnostic flowcharts for common problems, symptom-based repair guides
Engine Repair:
Piston and cylinder replacement, valve adjustments, camshaft timing, gasket replacement
Suspension Tuning:
Adjusting preload, compression, and rebound damping
Brake Bleeding:
Step-by-step instructions for bleeding hydraulic brake systems
Electrical Diagnostics:
Testing components, using multimeters, interpreting wiring diagrams
Carburetor Rebuilding:
Jetting, float adjustment, cleaning, and assembly of carburetor
Clutch Adjustment:
Cable and friction plate adjustments
Wheel Bearing Replacement:
Proper methods for removing and installing wheel bearings
Depth:
Comprehensive: Covers everything from routine maintenance to full engine rebuilds and complex electrical diagnostics.
Engine Code:
KLX250SE (typical for this generation)
Bore X Stroke:
72.0 x 61.2 mm
Compression Ratio:
11.0:1
Valve Train:
DOHC, 4 valves per cylinder
Horsepower Est:
~22-24 HP (at crankshaft, depending on region/tuning)
Torque Est:
~18-20 Nm (at crankshaft, depending on region/tuning)
Fuel Delivery:
Carburetor (e.g., Keihin CVK34)
Fuel Type:
Unleaded gasoline, minimum octane rating 87 (R+M)/2
Oil Type:
SAE 10W-40 API SG or higher, JASO MA certified motorcycle oil
Oil Capacity W Filter:
1.7 L (1.8 US qt)
Oil Capacity Wo Filter:
1.5 L (1.6 US qt)
Engine Oil Change:
Every 3,000 km (1,865 miles) or 6 months, whichever comes first.
Oil Filter Replacement:
Every 3,000 km (1,865 miles) or 6 months (recommended with oil change).
Air Filter Cleaning:
Every 2,000 km (1,240 miles), clean and re-oil. Replace every 10,000 km (6,215 miles).
Spark Plug Inspection:
Every 6,000 km (3,730 miles).
Valve Clearance Check:
Every 10,000 km (6,215 miles).
Chain Lubrication Adjustment:
Every 1,000 km (620 miles) and after washing or riding in rain.
Coolant Type:
Kawasaki-specified coolant or equivalent (50/50 mix of ethylene glycol and distilled water)
Common Wear Items:
Clutch plates, brake pads, chain and sprockets, fork seals due to off-road use.
Carburetor Tuning:
Carburetor tuning may be required for optimal performance at different altitudes or after modifications.
Maintenance Manual Usefulness
Diag Codes:
N/A (Carbureted model, no complex electronic diagnostic codes in the same way as FI models)
Troubleshooting Guides:
Detailed troubleshooting section for common issues and system failures.
Kawasaki Legacy:
Kawasaki Heavy Industries, Ltd. has a long history of manufacturing motorcycles, known for performance and innovation.
Klx Lineage:
The KLX line has evolved from smaller displacement dirt bikes to more capable dual-sport machines, with the 250cc segment being a significant part of its history.
Klx250S Development:
The KLX250S was positioned as a more street-legal, versatile version of Kawasaki's off-road focused KLX models, bridging the gap between pure dirt bikes and larger adventure bikes.
Production Period:
The KLX250S was produced for several years, with the 2009 model being part of a generation that saw a significant update to fuel injection in later years (though this 2009 model is carbureted).