Segment:
Lightweight dual-sport and supermoto motorcycle segment.
Target Audience:
Riders seeking an agile, versatile motorcycle for commuting, light off-roading (KLX250S/T), or urban street riding (KLX250SF).
Competitors:
Honda CRF250L/M, Yamaha WR250R/X, Suzuki DR-Z400S/SM.
Versatility:
The KLX250 platform offered distinct variants catering to different riding styles, making it a versatile choice.
Engine Type:
Liquid-cooled, four-stroke, single-cylinder engine known for its reliability and manageable power delivery.
Engine:
Engine disassembly, assembly, inspection, troubleshooting, tuning, and component specifications.
Fuel System:
Fuel injection system, throttle body, fuel pump, injectors, fuel pressure testing, and carburetor adjustments (if applicable to specific variant).
Ignition System:
CDI unit, ignition coils, spark plugs, timing checks, and troubleshooting.
Transmission:
Clutch operation, gearbox disassembly and assembly, gear selection, lubrication, and troubleshooting.
Suspension:
Front fork (conventional or upside-down depending on sub-model) disassembly, service, oil levels, and rear shock absorber service and adjustment.
Brakes:
Front and rear brake system service, hydraulic lines, master cylinders, calipers, brake pad replacement, bleeding procedures, and rotor specifications.
Electrical System:
Wiring diagrams, battery service, charging system (stator, regulator/rectifier), lighting system, starter motor, and electrical component testing.
Cooling System:
Radiator service, coolant specifications, fan operation, and thermostat testing.
Frame And Bodywork:
Frame inspection, fairing removal and installation, seat service, and body panel adjustments.
Wheels And Tires:
Wheel bearing service, tire inspection and replacement, rim specifications, and spoke tensioning (if applicable).
Exhaust System:
Exhaust pipe and muffler inspection, gasket replacement, and emissions control systems.
Maintenance:
Routine maintenance procedures including oil changes, filter replacements, chain adjustments, brake checks, and fluid level checks.
Troubleshooting:
Diagnostic guides for common problems, fault identification, and step-by-step troubleshooting flowcharts.
Repair:
Detailed repair procedures for all major and minor components, including step-by-step instructions with torque specifications.
Disassembly Assembly:
Comprehensive instructions for the systematic removal and reinstallation of all motorcycle components.
Wiring Diagrams:
Full electrical system wiring diagrams for easy identification and troubleshooting of electrical issues.
Torque Specifications:
Essential torque values for critical fasteners to ensure proper assembly and prevent damage.
Special Tools:
Identification of any special tools or equipment required for specific maintenance or repair tasks.
Depth:
Comprehensive coverage from basic owner maintenance to advanced engine and electrical system overhauls.
Engine Type:
Liquid-cooled, four-stroke, DOHC, single-cylinder
Bore X Stroke:
72.0 x 61.2 mm
Compression Ratio:
11.0:1
Valve Train:
DOHC, 4 valves
Fuel Delivery:
Fuel Injection (EFI), Keihin 34mm throttle body
Lubrication System:
Forced lubrication, wet sump
Horsepower Est:
Approximately 28-30 HP @ 8500 RPM
Torque Est:
Approximately 18-20 lb-ft @ 7000 RPM
Fuel Type:
Unleaded gasoline, minimum 87 octane
Fuel Tank Capacity:
2.1 gallons (7.9 Liters)
Overall Length:
84.4 in (2145 mm) - KLX250S/T; 82.7 in (2100 mm) - KLX250SF
Overall Width:
31.1 in (790 mm) - KLX250S/T; 34.2 in (870 mm) - KLX250SF
Overall Height:
46.5 in (1180 mm) - KLX250S/T; 45.1 in (1145 mm) - KLX250SF
Wheelbase:
56.5 in (1435 mm) - KLX250S/T; 55.7 in (1415 mm) - KLX250SF
Ground Clearance:
10.0 in (255 mm) - KLX250S/T; 6.7 in (170 mm) - KLX250SF
Curb Weight:
Approximately 282 lbs (128 kg) - KLX250S/T; 279.8 lbs (127 kg) - KLX250SF
Dry Weight:
Approximately 271 lbs (123 kg) - KLX250S/T
Load Capacity:
Typically rated for rider and moderate cargo, consult owner's manual for specific limits.
Crash Safety:
Motorcycles are not subject to the same crash test ratings as automobiles. Safety relies on rider skill and protective gear.
Braking System:
Disc brakes front and rear. ABS was not typically standard on this model year but may have been an option in some markets.
Lighting:
Halogen headlight, LED taillight, standard turn signals.
Frame Construction:
High-tensile steel perimeter frame for rigidity and durability.
Ergonomics:
Designed for upright rider posture for control and comfort.
Oil Change:
Every 3,000-4,000 miles (5,000-6,000 km) or 6 months, whichever comes first. Consult manual for specific intervals.
Air Filter Cleaning:
Check every 1,500 miles (2,400 km), clean or replace as needed, especially in dusty conditions.
Chain Lubrication Adjustment:
Lubricate every 300-500 miles (500-800 km), adjust chain slack every 1,000-1,500 miles (1,600-2,400 km).
Spark Plug Inspection:
Inspect at 7,500 miles (12,000 km), replace as needed.
Engine Oil:
SAE 10W-40 API SG or higher, JASO MA certified. Capacity: 1.7 US qt (1.6 L) with filter change.
Coolant:
Permanent type antifreeze (ethylene glycol based) mixed 50/50 with distilled water. Capacity: Approx. 1.1 US qt (1.05 L).
Brake Fluid:
DOT 4 hydraulic brake fluid.
Idle Stability:
Some riders have reported occasional minor fluctuations in idle speed, often manageable through ECU re-flashing or minor adjustments.
Fuel Injection Tuning:
For optimal performance, especially with aftermarket exhausts, a fuel controller or ECU re-flash is often recommended.
Suspension Stiffness:
The stock suspension can be considered somewhat basic for aggressive riding; upgrades are common for more demanding use.
Manufacturer:
Kawasaki Heavy Industries Motorcycle & Engine Company.
Legacy:
Kawasaki has a long history of producing capable and reliable off-road and dual-sport motorcycles.
Klx Lineage:
The KLX250 platform has evolved significantly over the years, with the 2009 model representing a modern iteration focused on fuel injection and refined performance.
Klx250Sf Introduction:
The 'SF' designation signifies a Supermoto variant, featuring smaller diameter wheels with street-biased tires and typically a firmer suspension setup for urban agility.
Klx250S Designation:
The 'S' model is the traditional dual-sport, with larger diameter spoked wheels and suspension tuned for both on-road and light off-road use.
Klx250T Designation:
The 'T' designation usually refers to specific regional variations or sometimes touring-oriented packages, though often the S and T are very similar in core specifications.
Production Years:
The KLX250 platform has been in continuous production in various forms since the late 1970s, with significant updates for the fuel-injected generation starting around 2006.
