Segment:
High-performance Motocross competition bike.
Target Audience:
Motocross racers and serious off-road enthusiasts seeking competitive performance and reliability.
Key Competitors:
Yamaha YZ250F, Honda CRF250R, KTM 250 SX-F.
Design Philosophy:
Focus on lightweight construction, powerful engine characteristics, and advanced suspension for peak motocross performance.
Manual Benefit:
Essential tool for accurate part identification and ordering, crucial for maintenance, repair, and restoration of the 2005 KX250F.
Geographic Coverage:
Global, with specific VIN range for Australian market
Estimated Page Count:
Detailed parts catalog, typically 200-400 pages for this era of motocross bikes
Type:
Parts Manual / Parts Catalog
Format:
Illustrated Parts List with Exploded Views
Engine:
All internal and external engine components, including cylinder, piston, crankshaft, valve train, cooling system, lubrication system.
Transmission:
Gearbox components, clutch assembly, shift drum and forks, shift lever mechanism.
Chassis:
Frame components, subframe, swingarm, linkage system, footpegs, handlebars, controls.
Suspension:
Front fork (KYB SSS or similar), rear shock absorber (KYB), damping adjusters, springs, seals, bushings.
Wheels And Brakes:
Front and rear wheel assemblies, hubs, spokes, rims, tires, brake calipers, master cylinders, brake lines, rotors, brake pads.
Fuel System:
Carburetor (likely Keihin FCR), fuel tank, petcock, fuel lines, airbox, filter.
Electrical System:
Ignition system components (CDI, coil, spark plug), lighting (if applicable to race models, though typically minimal on MX), wiring harness, kill switch.
Bodywork And Plastics:
Radiator shrouds, side panels, front fender, rear fender, seat, fuel tank cover, graphics.
Disassembly Assembly:
Detailed exploded views for identification and ordering of parts, aiding in disassembly and reassembly processes.
Part Identification:
Comprehensive listing of all OEM part numbers for every component.
Depth:
Component-level identification and part number specification. Does not include torque values, diagnostic procedures, or detailed repair instructions (which would be found in a Service Manual).
Digital Format:
Likely PDF or similar digital format for ease of search and viewing. (Assuming digital delivery for a sales business).
Print Quality:
High-resolution images for clear exploded views and part identification.
Binding:
N/A (assuming digital format, if physical it would be spiral-bound or perfect-bound for workshop use).
Paper Type:
N/A (assuming digital format, if physical it would be heavy-duty, potentially glossy paper for durability in a workshop environment).
Engine Type:
Four-stroke, DOHC, single-cylinder.
Bore X Stroke:
72.0 x 61.1 mm
Cooling System:
Liquid-cooled
Estimated Horsepower:
Approximately 38-40 HP (peak, varies with tuning and exhaust).
Estimated Torque:
Approximately 20-22 lb-ft (peak, varies with tuning and exhaust).
Carburetor Type:
Keihin FCR flat-slide carburetor (likely 37mm).
Fuel Type:
Unleaded gasoline, minimum 91 octane (RON+MON)/2).
Oil Type Specification:
API SG or SH, SAE 10W-40 motorcycle specific engine oil.
Oil Capacity:
Approximately 1.6-1.8 Liters (including filter change).
Transmission Type:
5-speed constant mesh
Clutch Type:
Wet, multi-disc
Gear Ratios:
Specific gear ratios would be detailed in a service manual; the parts manual lists individual gears.
Oil Type Specification:
Dedicated transmission oil (often same as engine oil for these bikes, but check manual for specific recommendation), SAE 10W-40, API SG or SH.
Oil Capacity:
Approximately 1.0-1.2 Liters for gearbox.
Overall Length:
Approx. 2,140 mm (84.3 in)
Overall Width:
Approx. 810 mm (31.9 in)
Overall Height:
Approx. 1,215 mm (47.8 in)
Dry Weight:
Approx. 96 kg (211.6 lbs)
Curb Weight:
Not typically quoted for MX bikes, but would be slightly higher with fluids.
Wheelbase:
Approx. 1,470 mm (57.9 in)
Ground Clearance:
Approx. 325 mm (12.8 in)
Seat Height:
Approx. 950 mm (37.4 in)
Infotainment System:
N/A (This is a competition motocross bike, no infotainment features).
Electronic Aids:
N/A (No electronic rider aids like traction control or ABS).
Engine Features:
Advanced 4-stroke engine design for the era, featuring a DOHC configuration for improved breathing and power delivery.
Suspension Features:
Likely equipped with high-quality KYB (Kayaba) suspension components, often featuring Speed Sensitive System (SSS) forks and adjustable rear shock, renowned for their performance in MX.
Oil Change Interval:
Every 5-10 hours of riding or after significant race events (refer to service manual for precise recommendations).
Air Filter Cleaning:
After every ride or as needed, depending on track conditions.
Spark Plug Inspection:
Regularly, especially before major events. Replace as needed.
Valve Clearance Check:
Approximately every 10-20 hours of riding (critical for four-stroke performance and longevity).
Coolant Type:
Permanent type (antifreeze) coolant, 50/50 mix with distilled water. Check manual for specific additive requirements (e.g., Honda Type 2 compatible or similar).
Common Wear Items:
Piston rings, valve seats, clutch plates, wheel bearings, fork seals, swingarm/linkage bearings due to high-stress operation.
Carburetor Tuning:
Can be sensitive to altitude and temperature changes, requiring jetting adjustments.
Example Part Number Format:
OEM part numbers are critical and would be found in the manual (e.g., 13001-1470 for piston, 11061-1146 for gasket).
Kawasaki Legacy:
Kawasaki has a long and successful history in motocross, with the KX line being a dominant force in racing for decades.
Kx250F Development:
The 2005 model represented a significant step in the evolution of four-stroke motocross bikes, competing with the burgeoning 250cc four-stroke class.
Manufacturing Location:
Likely Japan or potentially other Kawasaki manufacturing facilities.
