Vehicle Segment:
Motocross (MX) Competition Motorcycle
Target Audience:
Motocross racers, off-road enthusiasts, mechanics, and service centers specializing in performance dirt bikes.
Key Competitors 2005:
Yamaha YZ250F, Honda CRF250R, Suzuki RM-Z250, KTM 250 SX-F.
Manual Utility:
Essential resource for accurate parts identification, ordering, and supporting assembly/disassembly.
Illustration Quality:
Fully illustrated with detailed exploded views, crucial for correct part placement and identification.
Engine Components:
Cylinder, piston, crankshaft, connecting rod, valves, camshaft, carburetor, ignition system components, cooling system (radiator, hoses, water pump).
Drivetrain Components:
Clutch assembly, transmission gears, shift drum, shift forks, final drive sprockets, chain.
Chassis Components:
Frame, sub-frame, swingarm, linkage system, steering assembly (triple clamps, steering stem bearings).
Suspension Components:
Front fork (inner/outer tubes, seals, springs, dampers), rear shock absorber (spring, damper assembly).
Brake Components:
Front and rear brake calipers, master cylinders, brake lines, rotors, pads.
Electrical Components:
Wiring harness, ignition coil, stator, rectifier/regulator, battery, lighting components (if applicable), switches.
Bodywork And Plastics:
Fuel tank, seat, fenders, number plates, shrouds, airbox cover.
Controls And Accessories:
Handlebars, levers, footpegs, kick starter, shifter lever.
Assembly Guidance:
Detailed exploded views for component identification and correct assembly order.
Disassembly Guidance:
Visual aid for systematic disassembly of various vehicle systems.
Part Identification:
Comprehensive listing of all genuine Kawasaki part numbers for the 2005 KX250F.
Diagnostic Support:
Primarily focused on part identification and assembly, not in-depth diagnostic procedures or troubleshooting.
Repair Scope:
Supports repair by clearly identifying and ordering replacement parts for all major assemblies.
Maintenance Support:
Facilitates routine maintenance by providing part numbers for consumables like filters, seals, and gaskets.
PDF Quality:
Likely scanned, quality may vary. Optimized for clarity of diagrams and part numbers.
Searchability:
Depends on PDF OCR quality; may require manual navigation.
Recommended Printing:
Best printed on a color printer to accurately represent diagrams and labels.
Ideal Binding:
Spiral or comb binding for lay-flat usability in a workshop environment.
Recommended Paper:
Glossy or semi-gloss paper for durability and clarity of illustrations.
Engine Type:
Four-stroke, single-cylinder, DOHC, 4-valve
Displacement:
249 cc (15.2 cu. in.)
Bore X Stroke:
72.0 x 61.1 mm (2.83 x 2.41 in.)
Compression Ratio:
12.0:1 (typical for this era)
Horsepower Estimated:
Approx. 38-40 HP (at crank, variations exist based on tuning)
Torque Estimated:
Approx. 20-22 lb-ft (at crank, variations exist)
Fuel Delivery:
Keihin FCR37 carburetor
Fuel Type:
Unleaded gasoline, minimum 91 octane (RON+MON)/2 (e.g., 87 AKI)
Cooling Method:
Liquid-cooled
Length Overall:
Approx. 2130 mm (83.9 in.)
Width Overall:
Approx. 815 mm (32.1 in.)
Height Overall:
Approx. 1240 mm (48.8 in.)
Dry Weight:
Approx. 96 kg (211.6 lbs)
Curb Weight Estimated:
Approx. 105 kg (231.5 lbs) with fluids
Wheelbase:
Approx. 1470 mm (57.9 in.)
Minimum Ground Clearance:
Approx. 330 mm (13.0 in.)
Safety Certification:
Not applicable for competition off-road vehicles in most regions; designed for closed-course use.
Braking System:
Hydraulic disc brakes, front and rear.
Protective Equipment Requirement:
Requires appropriate rider safety gear (helmet, boots, gloves, protective apparel).
Oil Change Interval:
Consult owner's manual for specific intervals; typically every 5-10 hours of racing or as per service manual recommendations.
Air Filter Cleaning:
Frequent cleaning and re-oiling required, often after every few hours of use in dusty conditions.
Spark Plug Replacement:
Recommended at regular intervals or based on performance inspection.
Engine Oil Type:
SAE 10W-40 API SG or higher motorcycle-specific oil (verify with owner's manual).
Engine Oil Capacity:
Approx. 1.0 L (1.1 US qt) without filter change, 1.1 L (1.2 US qt) with filter change.
Coolant Type:
High-quality ethylene glycol-based coolant (50% mix with distilled water).
Brake Fluid Type:
DOT 4 hydraulic brake fluid.
Common Wear Items:
Piston rings, valve guides, clutch plates, wheel bearings, steering head bearings, suspension seals.
Potential Carburetor Issues:
Jetting sensitivity to altitude and temperature; occasional float bowl issues.
Engine Reliability Notes:
Generally reliable when properly maintained, but competition use puts significant stress on internal components.
Kawasaki Motorsports Legacy:
Kawasaki has a long and successful history in motocross racing, known for producing potent and competitive machines.
Kx Series Development:
The KX250F represents Kawasaki's entry into the competitive 250cc four-stroke motocross market, evolving from their two-stroke lineage.
Model Introduction Year:
The KX250F model line was introduced in the early 2000s, with significant updates occurring annually.
