Segment:
Entry-level sportbike, popular for new riders and urban commuting.
Competitors:
Competes with models like the Honda CBR250R, Yamaha YZF-R3 (later models), and various other small-displacement sportbikes and naked bikes.
Target Audience:
DIY enthusiasts, owners seeking to maintain or repair their motorcycle, aspiring mechanics.
Value Proposition:
Comprehensive repair information, high-quality diagrams, cost savings on professional labor, instant download.
Manual Description Enhancement
Completeness Claim:
Described as the most complete service repair manual ever compiled for this model.
Engine:
General Information, Fuel System, Cooling System, Engine Top End, Engine Right Side, Engine Lubrication System, Engine Removal/Installation, Crankshaft/Transmission
Chassis:
Wheels/Tires, Brakes, Suspension, Steering, Frame
Electrical:
Electrical System
General:
Periodic Maintenance, Appendix
Maintenance:
Scheduled maintenance, fluid changes, filter replacements, tune-ups, adjustments.
Repair:
Detailed disassembly and reassembly of all major motorcycle components, including engine, transmission, brakes, suspension, electrical system.
Diagnostics:
Troubleshooting guides, symptom-based diagnostics, wiring diagrams for electrical system analysis.
Inspection:
Component inspection procedures for wear, damage, and proper function.
Technical Data:
Specifications, torque values, clearances, fluid capacities, electrical resistance values.
Depth:
Comprehensive, covering from basic maintenance to full engine rebuilds and electrical system diagnostics.
Engine Type:
Four-stroke, parallel-twin
Displacement:
249 cc (15.2 cu in)
Bore X Stroke:
55.0 x 52.4 mm (2.17 x 2.06 in)
Valve Train:
DOHC, 8 valves
Cooling System:
Liquid-cooled
Horsepower:
Approximately 29-32 hp @ 10,500 rpm (varies slightly by market and tuning).
Torque:
Approximately 15-17 lb-ft @ 8,000 rpm.
Fuel Delivery:
Carbureted (dual Keihin CVK30 carburetors)
Fuel Type:
Unleaded gasoline, 87 octane (minimum)
Oil Type:
API SG, SF or SH, SAE 10W-40 (Recommended). Check manual for specific Kawasaki standards.
Length:
Approximately 2,005 mm (78.9 in)
Width:
Approximately 715 mm (28.1 in)
Height:
Approximately 1,050 mm (41.3 in)
Wheelbase:
Approximately 1,370 mm (53.9 in)
Dry Weight:
Approximately 154 kg (339.5 lbs)
Wet Weight:
Approximately 171 kg (377 lbs)
Front Tire Size:
110/70-17 M/C 54S
Rear Tire Size:
130/70-17 M/C 62S
Oil Change Interval:
Every 6,000 km (3,700 miles) or 6 months, whichever comes first.
Air Filter Cleaning:
Every 6,000 km (3,700 miles).
Spark Plug Replacement:
Every 12,000 km (7,500 miles).
Valve Clearance Check:
Every 18,000 km (11,000 miles).
Coolant Type:
Ethylene glycol-based coolant, 50/50 mixture with distilled water (refer to manual for specific Kawasaki coolant P/N).
Brake Fluid Type:
DOT 4 (Recommended for both front and rear systems).
Carburetor Synchronization:
Carburetors may require periodic synchronization for optimal engine performance and idle stability.
Cam Chain Tensioner:
The automatic cam chain tensioner can sometimes wear or fail, leading to a rattling noise. Manual inspection and replacement are covered in the manual.
Fuel Filter Clogging:
In areas with lower fuel quality, the fuel filter may require more frequent cleaning or replacement.
Manufacturer:
Kawasaki Heavy Industries Motorcycle & Engine Company.
Ninjafamily Context:
Part of Kawasaki's long-standing Ninja sportbike lineage, offering an accessible entry point.
Manufacturing Location:
Primarily manufactured in Japan, with some assembly potentially occurring in other regions depending on market.
Generation Period:
The EX250 platform has been in production for many years, with this specific iteration (J-series) representing the 2006-2007 models in many markets, with updates carrying into 2008.
