Engine:
Full disassembly, assembly, tuning, troubleshooting, specifications
Fuel System:
Carburetor (CVK34), fuel pump, fuel lines, fuel tank maintenance and repair
Ignition System:
CDI, spark plug, ignition coils, timing
Cooling System:
Liquid cooling system, radiator, fan, coolant specifications
Transmission:
Clutch, gearbox, shift drum, internal components, lubrication, troubleshooting
Drivetrain:
Chain drive, sprockets, maintenance and replacement procedures
Chassis Frame:
Frame inspection, alignment, related components
Suspension Front:
Telescopic front fork, damping adjustment, oil change, seal replacement, troubleshooting
Suspension Rear:
Uni-Trak rear suspension, shock absorber, linkage components, adjustment, maintenance
Brakes Front:
Hydraulic disc brake, caliper, master cylinder, brake pads, fluid, bleeding, rotor specifications
Brakes Rear:
Hydraulic disc brake, caliper, master cylinder, brake pads, fluid, bleeding, rotor specifications
Wheels Tires:
Wheel bearing maintenance, spoke tension, tire pressure, specifications
Electrical System:
Battery, charging system (stator, regulator/rectifier), lighting, starting system, wiring diagrams
Instrumentation:
Speedometer, tachometer, indicator lights, troubleshooting
Bodywork Trim:
Fairings, fenders, seat, fuel tank cover, decals, removal and installation
Exhaust System:
Muffler, head pipe, gaskets, inspection and repair
Troubleshooting:
Comprehensive diagnostic guides for all major systems, fault finding charts
Maintenance:
Scheduled maintenance, oil changes, filter replacements, chain adjustment, lubrication
Repair:
Component disassembly, assembly, replacement, and adjustment for all major systems
Rebuild:
Detailed instructions for engine rebuilds, carburetor overhauls, and suspension rebuilds
Diagnostics:
Systematic troubleshooting steps and diagnostic flowcharts
Specifications:
Torque values, clearances, fluid capacities, electrical specifications, measurements
Wiring Diagrams:
Complete and detailed electrical system schematics
Depth:
Factory-level technical detail for professional mechanics and advanced DIY enthusiasts
Detail Level:
Includes step-by-step procedures, exploded diagrams, and troubleshooting charts
Engine Type:
Four-stroke, DOHC, 4-valve, Single-cylinder
Displacement:
249 cc (250cc class)
Bore X Stroke:
72.0 mm x 61.2 mm (typical for this generation)
Compression Ratio:
11.0:1 (typical)
Horsepower:
Approximately 22-24 HP @ 7,500 RPM (Estimate based on model year and configuration)
Torque:
Approximately 16-18 lb-ft @ 6,500 RPM (Estimate based on model year and configuration)
Carburetor:
Keihin CVK34 with Accelerator Pump
Fuel Capacity:
Approx. 2.5 - 3.0 gallons (7.7 - 11.0 Liters) depending on sub-model
Oil Capacity With Filter:
Approx. 1.6 - 1.8 Liters (Consult manual for exact specification)
Engine Oil Type:
API SG or SH, SAE 10W-40 motorcycle specific oil (Consult manual for exact specification)
Length:
Approx. 85.2 inches (2165 mm) (Varies slightly by sub-model)
Width:
Approx. 33.5 inches (850 mm) (Varies slightly by sub-model)
Height:
Approx. 45.7 inches (1160 mm) (Varies slightly by sub-model)
Wheelbase:
Approx. 56.7 inches (1440 mm)
Ground Clearance:
Approx. 11.0 inches (280 mm)
Curb Weight:
Approx. 291 lbs (132 kg) (Varies slightly by sub-model)
Gross Vehicle Weight Rating:
Not explicitly specified, but typically around 350-400 lbs
Front Tire Size:
80/100-21 M/C 51P (Typical for KLX250S)
Rear Tire Size:
100/100-18 M/C 59P (Typical for KLX250S)
Wheel Bolt Pattern:
N/A (Spoked wheels with axle nuts)
Oil Change Interval:
Every 3,000 km or 3 months, whichever comes first (Consult manual for exact interval and conditions)
Air Filter Cleaning Interval:
Every 6,000 km or as needed in dusty conditions (Consult manual for exact interval)
Spark Plug Replacement Interval:
Every 12,000 km or as needed (Consult manual for exact interval)
Chain Maintenance Interval:
Lubricate and adjust chain every 1,000 km or as needed (Consult manual for exact interval)
Brake Fluid:
DOT 3 or DOT 4 (Consult manual for exact specification)
Coolant:
Kawasaki's Genuine Coolant or equivalent (50/50 mix of ethylene glycol and distilled water) (Consult manual for exact specification)
Fork Oil Type:
SAE 0W-20 or 10W (Consult manual for exact specification and volume)
Carburetor Performance:
Some users report lean conditions or flat spots, often addressed by rejetting or tuning the CVK34 carburetor, which the manual will detail.
Suspension Softness:
Stock suspension can be considered soft for aggressive off-road use, but the manual provides adjustment and rebuild procedures.
Cooling System Efficiency:
Proper coolant level and fan operation are critical, especially during sustained low-speed off-road riding. The manual covers checks and maintenance.