Segment:
Lightweight dual-sport motorcycle, popular for trail riding, commuting, and light adventure touring.
Competitors:
Honda CRF250L, Yamaha WR250R, Suzuki DR-Z250.
Engine Type:
Liquid-cooled, DOHC, four-valve, single-cylinder.
Suspension Type:
Long-travel, adjustable front forks and rear monoshock suspension.
Design Philosophy:
Balance of on-road manners and off-road capability.
Engine Mechanical:
Full overhaul, including piston, rings, cylinder, valve timing, and component inspection.
Engine Management:
EFI system diagnosis, sensor testing, injector service, and ECU troubleshooting.
Transmission Drivetrain:
Clutch inspection and adjustment, gear inspection, transmission disassembly and reassembly.
Suspension Geometry:
Front fork service (oil change, seal replacement, spring rates), rear shock absorber adjustment and service.
Braking System:
Brake pad replacement, caliper servicing, master cylinder maintenance, bleeding procedures.
Electrical Schematics:
Comprehensive wiring diagrams for all electrical components, including lighting, ignition, and accessories.
Routine Maintenance:
Oil changes, filter replacements, chain adjustment, tire pressure checks, spark plug replacement.
Diagnostic Troubleshooting:
Step-by-step troubleshooting guides for common issues, fault code interpretation (if applicable).
Component Rebuild:
Detailed instructions for rebuilding major components like the engine, carburetor/EFI, and suspension.
Disassembly Reassembly:
Exploded views and step-by-step guides for dismantling and reassembling the entire motorcycle.
Adjustment Calibration:
Carburetor tuning, throttle cable adjustment, clutch lever adjustment, suspension sag adjustment.
Depth:
Comprehensive, covering basic owner maintenance to full engine and chassis rebuilds.
Diagnostic Level:
Advanced diagnostics, including component testing and troubleshooting flowcharts.
Repair Scope:
Complete repair procedures for all mechanical and electrical systems.
Engine Code:
Likely DOHC, 4-stroke, 4-valve single cylinder (specific code not provided in product info)
Bore X Stroke:
72.0 mm x 61.2 mm
Compression Ratio:
11.0:1
Horsepower:
Approx. 24-27 HP (stock, varies by market and tuning)
Torque:
Approx. 15-17 lb-ft (stock, varies by market and tuning)
Fuel Delivery:
Fuel Injection (EFI), likely Keihin throttle body system.
Fuel Type:
Unleaded gasoline
Cooling Method:
Liquid-cooled
Safety Features:
N/A (Motorcycle safety is primarily based on rider skill and machine condition, though ABS was introduced on later models).
Braking System:
Disc brakes front and rear.
Lighting:
Headlight, tail light, brake lights, turn signals.
Display Type:
Digital LCD instrument cluster.
Features Cluster:
Speedometer, tachometer, odometer, trip meters, fuel gauge, clock, indicator lights.
ABS:
Not typically equipped on the 2010 KLX250SA model; ABS was introduced on later iterations.
Connectivity Features:
None (basic motorcycle electronics).
Oil Change:
Every 3,000 km or 6 months (refer to manual for specific recommendation).
Spark Plug Check:
Every 6,000 km or 12 months.
Chain Maintenance:
Lubrication and adjustment every 500-1,000 km.
Engine Oil Type:
SAE 10W-40 API SG or higher, JASO MA.
Engine Oil Capacity:
1.5 Liters (1.6 US qt) without filter change; 1.7 Liters (1.8 US qt) with filter change.
Coolant Type:
Permanent type coolant (antifreeze) mixed with distilled water (50/50 ratio).
Fork Oil Type:
Kawasaki KHL15-10W or equivalent (15W) suspension fluid.
Common Wear Items:
Chain and sprockets, brake pads, tires, fork seals.
Potential Quirks:
Some owners report a slightly underpowered feel in higher RPMs compared to some competitors. Fueling can be lean from the factory.
