Segment:
Dual-sport, off-road capable motorcycle.
Target Audience:
Enthusiasts seeking a capable and reliable motorcycle for commuting, trail riding, and light off-roading.
Key Competitors:
Honda CRF250L, Yamaha WR250R, Suzuki DR-Z250.
Vehicle Attributes:
Lightweight, agile, versatile for both on-road and off-road use, user-friendly operation, reliable Kawasaki engineering.
Manual Value Proposition:
Empowers owners and technicians with the knowledge to maintain, repair, and optimize their Kawasaki KLX250S, saving time and money on service.
Engine:
Complete engine overhaul, tuning, lubrication system, cooling system, fuel injection system, ignition system, starting system, exhaust system.
Transmission:
Clutch operation and inspection, gear shifting mechanisms, gearbox disassembly and reassembly, lubrication, troubleshooting.
Chassis:
Frame, swingarm, linkages, steering head bearings, front fork (suspension, seals, fluid replacement), rear shock absorber, wheel bearings.
Electrical:
Wiring diagrams, battery, charging system (generator, regulator/rectifier), ignition system components, lighting system (headlight, taillight, turn signals), instrumentation, starting motor, fuses, relays, troubleshooting electrical faults.
Braking System:
Front and rear brake caliper service, brake pad replacement, master cylinder overhaul, brake fluid replacement and bleeding, hydraulic line inspection, disc rotor specifications.
Fuel System:
Fuel tank inspection, fuel pump operation, fuel filter replacement, fuel injector cleaning and testing, throttle body inspection and cleaning.
Cooling System:
Radiator service, coolant type and capacity, fan operation, thermostat inspection, hose inspection and replacement.
Bodywork And Trim:
Fairing removal and installation, seat removal, fender inspection, graphics and decals.
Maintenance:
Regular maintenance tasks, oil and filter changes, air filter cleaning/replacement, spark plug replacement, chain adjustment and lubrication, brake fluid checks, tire pressure checks.
Troubleshooting:
Systematic diagnostic procedures for common problems, symptom-based troubleshooting guides, error code interpretation (if applicable).
Repair Rebuild:
Detailed step-by-step instructions for component disassembly, repair, and reassembly, including engine, transmission, suspension, and braking components.
Adjustments:
Carburetor (if applicable, though KLX250S is fuel injected), throttle cable, clutch cable, idle speed, suspension adjustments.
Lubrication:
Recommended lubricant types, capacities, and service intervals for all major components.
Torque Specifications:
Precise torque values for all critical fasteners and components.
Depth:
Comprehensive, suitable for both DIY enthusiasts and professional technicians. Covers everything from basic maintenance to full engine rebuilds and electrical system diagnostics.
Engine Type:
Four-stroke, DOHC, single-cylinder.
Displacement:
249 cc (Cubic Centimeters)
Bore X Stroke:
72.0 x 61.2 mm
Cooling System:
Liquid-cooled
Valve Train:
DOHC, 4 valves per cylinder
Compression Ratio:
11.0:1
Horsepower:
Approx. 22 HP @ 7,500 RPM (Note: actual may vary slightly by market).
Torque:
Approx. 17 lb-ft @ 6,000 RPM (Note: actual may vary slightly by market).
Fuel Delivery:
Fuel Injection
Fuel Type:
Unleaded gasoline, minimum 87 octane
Throttle Body:
34mm Keihin (or equivalent EFI system)
Engine Oil Change:
Every 6,000 km (3,700 miles) or 6 months, whichever comes first.
Oil Filter Replacement:
Every 12,000 km (7,400 miles) or 12 months, usually with every second oil change.
Air Filter Cleaning:
Every 6,000 km (3,700 miles) or as needed based on riding conditions (dusty environments require more frequent checks).
Spark Plug Replacement:
Every 12,000 km (7,400 miles).
Valve Clearance Check:
Every 24,000 km (14,900 miles).
Engine Oil Type:
API SG, SF or SH, SAE 10W-30 or 10W-40. (Always confirm with the official Kawasaki service manual).
Engine Oil Capacity:
1.5 L (1.6 US qt) without filter change; 1.7 L (1.8 US qt) with filter change.
Coolant Type:
Ethylene glycol based coolant, 50/50 mixture with distilled water.
Coolant Capacity:
Approx. 1.1 L (1.2 US qt)
Brake Fluid Type:
DOT 4 (or DOT 3 as minimum).
Common Wear Items:
Clutch plates, brake pads, fork seals, chain and sprockets, battery.
Potential Quirks:
Some riders report the stock suspension being a bit soft for aggressive off-road use, and some may experience minor fueling hiccups at extreme altitudes without proper adjustment (though FI mitigates this).
Manufacturer:
Kawasaki Heavy Industries, Ltd. is a Japanese public multinational corporation known for its motorcycles, engines, heavy equipment, aerospace and defense products, and rail equipment.
Klx Lineage:
The KLX line has a long history of dual-sport and off-road motorcycles, evolving from earlier models to incorporate modern technologies like fuel injection and improved suspension.
Klx250S Development:
The KLX250S, particularly in its fuel-injected form introduced around 2009, represented a significant update, enhancing performance, reliability, and emissions compliance compared to earlier carbureted versions.
Production Years:
The KLX250S has been produced with variations since the early 2000s, with the fuel-injected model (KLX250SC) being prominent from 2009 onwards.
