Segment:
Dual-sport motorcycle, positioned for off-road capability and on-road usability.
Target Audience:
Riders seeking an accessible, versatile, and relatively lightweight dual-sport for commuting, trail riding, and light adventure touring.
Competitors:
Honda CRF250L, Yamaha WR250R, Suzuki DR-Z250.
Engine Type:
Liquid-cooled, four-stroke, DOHC, single-cylinder.
Suspension Type:
Long-travel telescopic front forks and a linkage-equipped single rear shock absorber for off-road capability.
Design Philosophy:
Balancing off-road performance with everyday usability and reliability.
General Coverage:
Complete service and repair information for the 2011 Kawasaki KLX250S (KLX250SB).
Specific Systems:
Engine, Fuel System, Ignition System, Clutch, Transmission, Drive Shaft, Frame, Suspension, Wheels, Tires, Brakes, Steering, Electrical Equipment, Troubleshooting.
Estimated Page Count:
Approximately 300-400 pages (estimated based on typical workshop manual size for this class of vehicle).
Type:
Workshop Service Repair Manual
Format:
Digital (likely PDF)
Engine Mechanical:
Detailed disassembly, inspection, repair, and reassembly of the entire engine, including cylinder head, valves, pistons, connecting rods, crankshaft, lubrication system, and cooling system.
Fuel System:
Carburetor disassembly, cleaning, adjustment, troubleshooting, fuel tank, fuel pump, and fuel lines.
Ignition System:
Spark plug specifications, ignition timing, CDI unit, ignition coils, and troubleshooting.
Transmission Drivetrain:
Gearbox inspection, repair, gearshift mechanism, clutch operation, and chain drive maintenance.
Chassis Suspension:
Front fork (telescopic) disassembly, inspection, fluid replacement, and rear suspension (monoshock) linkage and shock absorber service.
Brakes:
Front and rear disc brake systems, caliper service, hydraulic fluid replacement, bleeding procedures, and pad replacement.
Steering:
Handlebar removal and installation, steering stem bearings inspection and adjustment.
Electrical System:
Wiring diagrams, battery maintenance, lighting system, starter motor, charging system (stator, regulator/rectifier), and fuses.
Maintenance:
Regular scheduled maintenance tasks, oil changes, filter replacements, chain adjustment, lubrication points, and general inspections.
Troubleshooting:
Diagnostic flowcharts and common problem identification for engine performance, electrical issues, and starting problems.
Repair Rebuild:
Step-by-step instructions for component removal, repair, and reinstallation for all major mechanical and electrical systems.
Assembly Disassembly:
Detailed instructions for full disassembly and reassembly of the motorcycle.
Depth:
Comprehensive, covering from basic maintenance to major component overhauls and diagnostics.
Diagnostic Capabilities:
Includes specific diagnostic procedures and troubleshooting guides for identifying and resolving common issues.
Engine Type:
4-stroke, Liquid-cooled, DOHC, 4-valve, Single-cylinder
Displacement:
249 cc (Cubic Centimeters)
Bore X Stroke:
72.0 x 61.2 mm
Compression Ratio:
11.0:1
Valve Train:
DOHC, 4 valves per cylinder
Horsepower Hp:
Approximately 27 hp @ 8,000 rpm (claimed)
Torque Lb-Ft:
Approximately 18 lb-ft @ 6,500 rpm (claimed)
Fuel Delivery:
Keihin CVK34 carburetor (Note: Some later KLX250S models introduced fuel injection, but the 2011 is generally understood to be carbureted).
Fuel Tank Capacity:
7.7 Liters (2.0 US gallons)
Ignition Type:
Digital CDI
Oil Capacity:
1.4 L (1.5 US qt) without filter change; 1.6 L (1.7 US qt) with filter change.
Recommended Oil Viscosity:
SAE 10W-40 API SG or SH with JASO MA
Type:
6-speed, constant mesh, return shift
Clutch Type:
Wet, multi-disc, cable operated
Final Drive:
Sealed chain
Gear Ratios:
(Specific gear ratios would be detailed in the manual, crucial for performance tuning).
Transmission Oil Type:
API GL-1 SAE 80W-90 or equivalent
Crash Test Ratings:
N/A (Motorcycle safety ratings are not standardized like automobiles).
Brakes:
Disc brakes front and rear. (Note: ABS was not standard on the 2011 KLX250S).
Lighting:
Headlight, taillight, brake lights, turn signals.
Frame Construction:
High-tensile steel semi-double cradle frame for durability and rigidity.
Infotainment System:
N/A (Basic motorcycle with minimal electronic amenities).
Dashboard:
Analog tachometer, digital speedometer, odometer, trip meter, clock, and indicator lights.
Oil Change Interval:
Every 6,000 km (3,700 miles) or 6 months, whichever comes first (typical recommendation, verify in manual).
Oil Filter Replacement:
At every oil change (typical recommendation).
Air Filter Cleaning:
Every 3,000 km (1,800 miles) or 6 months (typical recommendation).
Spark Plug Replacement:
Every 12,000 km (7,500 miles) (typical recommendation).
Chain Lubrication Adjustment:
Every 1,000 km (600 miles) or after riding in wet conditions (typical recommendation).
Engine Oil:
SAE 10W-40 API SG or SH with JASO MA
Coolant:
Mixture of permanent antifreeze and deionized water (specific ratio and type detailed in manual).
Brake Fluid:
DOT 4 (specific for hydraulic brake systems).
Transmission Oil:
API GL-1 SAE 80W-90 or equivalent
Common Wear Items:
Clutch plates, chain and sprockets, brake pads, fork seals (due to off-road use).
Carburetor Tuning:
May require occasional adjustment or cleaning for optimal performance, especially with changes in altitude or fuel quality.
Engine Reliability:
Generally considered reliable, but proper maintenance is key to longevity.
Kawasaki Legacy:
Kawasaki has a long history in motorsports and producing reliable, performance-oriented motorcycles, including a strong lineage of dual-sport and off-road models.
Klx Lineage:
The KLX designation has been used by Kawasaki for decades, representing their off-road and dual-sport offerings. The KLX250S is a modern iteration, building on the platform's reputation for versatility and off-road capability.
Manufacturing Location:
Japan (typical for Kawasaki's smaller displacement models)
Model Years Covered:
This manual specifically covers the 2011 model year, which represents a specific iteration of the KLX250S. Updates may have occurred in subsequent years.
