Market Segment:
The Kawasaki KX250R1 was a highly competitive motocross machine in the mid-2000s, known for its performance and race-bred heritage.
Key Competitors:
Competed directly with Yamaha YZ250, Honda CR250R, and Suzuki RM250 of the same model year.
Bike Description:
The 2005 KX250R1 was a 2-stroke, liquid-cooled, motocross competition motorcycle, a staple in amateur and professional racing circuits.
Utility For Owners:
Essential for owners performing maintenance, repairs, or simply understanding their machine. Critical for sourcing correct OEM replacement parts.
Coverage:
Complete parts list for the 2005 Kawasaki KX250R1 motocross motorcycle.
Page Count:
Not specified in provided information. Typically, parts manuals for this era range from 150-300 pages.
Manual Type:
Parts Manual / Parts Catalog
Language:
English (standard for Kawasaki manuals of this era, especially for North American and Australian markets).
Format:
Illustrated Parts List with Exploded Views. Likely available in print and potentially digital (PDF) formats.
Engine Assembly:
Detailed breakdown of all engine components, including cylinder, piston, crankshaft, connecting rod, valves, camshaft, ignition system, carburetor, and cooling system parts.
Transmission Drivetrain:
Comprehensive parts listing for the gearbox, clutch assembly, shift mechanism, and final drive components (sprockets, chain).
Chassis Frame:
Exploded views of the frame, sub-frame, swingarm, linkage system, and associated hardware.
Suspension Front:
Parts breakdown for the front fork assembly (fork tubes, sliders, seals, springs, damping components).
Suspension Rear:
Detailed parts list for the rear shock absorber, linkage, and swingarm pivots.
Wheels Brakes:
Component breakdown for front and rear wheels, hubs, spokes, tires, brake calipers, master cylinders, brake lines, rotors, and brake pads.
Fuel System:
Parts for the fuel tank, petcock, fuel lines, and carburetor (as part of engine section).
Exhaust System:
Components for the exhaust header pipe, silencer, and associated mounting hardware.
Electrical Components:
Diagrams and part numbers for ignition coil, spark plug, wiring harness, CDI unit, stator, and any lighting components if applicable.
Controls Levers:
Parts for handlebars, grips, throttle assembly, clutch lever, brake lever, and control cables.
Bodywork Plastics:
Illustrations and part numbers for fenders, radiator shrouds, side panels, seat, and fuel tank cover.
Disassembly Assembly Aid:
Provides exploded views that are crucial for guiding the disassembly and reassembly of components. Aids in identifying the correct order and orientation of parts.
Part Identification:
Enables precise identification of every single part via its unique part number, essential for ordering replacements and ensuring correct fitment.
Troubleshooting Part Replacement:
While not a diagnostic manual, it's indispensable for identifying worn or damaged parts during troubleshooting and for specifying replacements.
Depth:
Highly detailed for part identification and visual assembly guidance. It focuses on 'what' part goes 'where' and its corresponding number, rather than 'how' to perform a complex repair. It's a critical adjunct to a full service manual.
Digital Format Quality:
Assuming a PDF format, quality would typically be high-resolution scans suitable for printing and digital viewing, with searchable text if OCR was applied.
Print Quality:
For physical copies, expect professional printing on quality paper stock, with clear, sharp images and legible text.
Binding Type:
Typically coil-bound or perfect-bound for ease of lay-flat use in a workshop environment.
Paper Type:
Durable, often glossy or semi-gloss paper to withstand workshop conditions and ensure clarity of exploded diagrams.
Engine Type:
Liquid-cooled, 2-stroke, single-cylinder.
Displacement:
249 cc (approximate).
Bore X Stroke:
Typically around 66.4 mm x 72.0 mm for this era's 250cc Kawasaki models.
Fuel Induction:
Carburetor (likely Keihin PWK38).
Horsepower Estimate:
Estimated 45-50+ HP at peak RPM (actual figures vary based on tuning and specific model iterations).
Torque Estimate:
Estimated 30-35 lb-ft at peak torque (actual figures vary).
Fuel Type:
Unleaded gasoline, mixed with 2-stroke oil (ratio typically 30:1 or 50:1 depending on oil type and manufacturer recommendation).
Coolant Type:
Proprietary Kawasaki coolant or equivalent. Mixture of distilled water and ethylene glycol based antifreeze.
Overall Length:
Approximately 2155 mm (84.8 in).
Overall Width:
Approximately 820 mm (32.3 in).
Overall Height:
Approximately 1250 mm (49.2 in).
Wheelbase:
Approximately 1465 mm (57.7 in).
Dry Weight:
Approximately 92.3 kg (203.5 lbs).
Fuel Capacity:
8.0 L (2.1 US gal).
Front Tire Size:
80/100-21 51M.
Rear Tire Size:
100/90-19 57M.
Wheel Bolt Pattern:
Not applicable for spoked wheels, uses axle nuts and bearings.
Infotainment System:
Not applicable. Motocross bikes focus on performance and rider control, not infotainment features.
Driver Assistance Features:
Not applicable. Focus is on manual rider input and control.
Connectivity Features:
Not applicable.
Ignition System:
Digital CDI (Capacitor Discharge Ignition) for precise spark timing.
Power Valuation:
The KIPS (Kawasaki Integrated Power-valve System) is a key technology that optimizes power delivery across the rev range, a hallmark of Kawasaki 2-stroke engines.
Oil Change Frequency:
Frequent oil changes required for the 2-stroke engine's gearbox, typically after every 10-15 hours of riding or annually, depending on usage.
Air Filter Cleaning:
Requires regular cleaning and re-oiling, often after every few riding sessions, especially in dusty conditions.
Spark Plug Inspection:
Regular inspection and replacement as needed based on performance and fouling.
Coolant Capacity:
Approximately 0.6 L (0.63 US qt).
2 Stroke Oil Type:
High-quality, Jaso FD or ISO-L-EGD certified 2-stroke engine oil.
Common Wear Items:
Clutch plates, piston rings, bearings (wheel, steering head, swingarm, linkage), fork seals, brake pads, and spark plugs are common wear items on motocross bikes of this age.
Carburetor Tuning:
Carburetor jetting may need adjustment based on altitude, temperature, and modifications.
Clutch Cover Gasket Example:
Part number example (likely): 11061-0179 (This is a hypothetical example, actual part number would be in the manual).
Air Filter Example:
Part number example (likely): 11013-0028 (This is a hypothetical example).
Kawasaki Motorsports:
Kawasaki has a long and successful history in off-road racing, particularly with its KX line of motocross bikes.
Kx Series Development:
The KX250 has undergone continuous development, with major revisions occurring in preceding years, leading to the 2005 model's advanced features.
Manufacturing Location:
Typically manufactured in Japan.
Model Variants:
The 'R1' designation specifies the model year and variant for 2005.
