Market Segment:
Entry-level to intermediate motocross/off-road competition and recreational riding.
Target Audience:
Motocross racers, off-road enthusiasts, mechanics, and owners performing their own maintenance and repairs.
Key Competitors:
Yamaha YZ85, Suzuki RM85, Honda CR85R.
Vehicle Key Features:
Purpose-built for competitive motocross, lightweight chassis, potent two-stroke engine, advanced suspension.
Manual Value:
Essential tool for maintaining the performance and longevity of the KX85, providing accurate part identification and facilitating DIY repairs.
Engine Assembly:
Detailed breakdown of engine components (cylinder, piston, crankshaft, connecting rod, lubrication, cooling)
Transmission Gearbox:
Exploded views of gear sets, shift drum, forks, and related components
Clutch Assembly:
Identification of clutch plates, springs, basket, and actuating mechanisms
Cooling System:
Radiator, hoses, thermostat housing components
Fuel System:
Carburetor components, fuel tank, petcock, fuel lines
Exhaust System:
Exhaust pipe, silencer, mounting hardware
Chassis Frame:
Main frame sections, sub-frame, engine mounts
Suspension Front:
Front fork components (stanchions, sliders, seals, springs, damping mechanisms), triple clamps
Suspension Rear:
Monoshock linkage, shock absorber components, swingarm, bearings
Braking System Front:
Brake caliper, master cylinder, brake disc, pads, lines
Braking System Rear:
Brake caliper, master cylinder, brake disc, pads, lines
Wheels Tires:
Wheel hubs, spokes, rims, bearings, tire information (not detailed specs, but part numbers for related components)
Electrical System:
Ignition coil, CDI unit, wiring harness components, lighting (if applicable), kill switch
Bodywork Plastics:
Fenders, side panels, tank shrouds, seat, graphics
Controls Levers:
Handlebar, levers (clutch, front brake), cables, throttle assembly
Disassembly Identification:
Facilitates identification of all components during disassembly.
Assembly Identification:
Provides reference for reassembly order and correct part placement.
Part Ordering:
Crucial for identifying correct part numbers for ordering replacements.
Technical Depth:
Component level detail with exploded views, ideal for parts identification and general understanding of assembly.
Diagnostic Support:
Indirectly supports diagnostics by providing clarity on component relationships and presence.
Rebuild Guidance:
Essential resource for complete engine or chassis rebuilds to ensure all parts are accounted for and correctly installed.
File Format Detail:
If digital, typically PDF. High-resolution scans of original print material.
Print Quality Detail:
High quality illustrations and clear part number indexing.
Binding Type Detail:
Professional binding for printed versions (e.g., saddle-stitch, perfect bound) for durability.
Paper Type Detail:
Durable, possibly coated paper to withstand workshop environments.
Engine Type:
Liquid-cooled, two-stroke, single-cylinder
Displacement:
84 cc (4.9 cu in)
Bore X Stroke:
48.5 x 45.8 mm (1.91 x 1.80 in)
Compression Ratio:
10.7:1 (approximate, check specific variant if available)
Power Output:
Approx. 20-25 HP (estimated, specific figures vary by tuner and year)
Lubrication:
Premixed fuel or Auto-lube system (check specific model variant)
Carburetor:
Keihin PWK28 (common fitment)
Fuel Type:
Unleaded gasoline with appropriate two-stroke oil mix
Fuel Tank Capacity:
5.0 L (1.3 US gal)
Oil Change Frequency:
Regularly check transmission oil level and change as per owner's manual (typically after significant riding hours or events).
Air Filter Cleaning:
Frequent cleaning and re-oiling of the air filter is crucial for engine longevity, especially in dusty conditions.
Spark Plug Replacement:
Check and replace spark plug based on operating conditions and plug condition (e.g., every 25-50 hours of use).
Top End Rebuild:
Piston, rings, and cylinder service typically required every 40-80 hours of hard riding.
Transmission Oil:
Kawasaki Genuine Gear Oil (or equivalent API GL-4, SAE 80W transmission oil)
Coolant Type:
High-quality motorcycle coolant or 50/50 mix of ethylene glycol and distilled water.
Two Stroke Oil:
High-quality 100% synthetic two-stroke racing oil for premix applications.
Clutch Wear:
Clutch plates can wear relatively quickly under aggressive riding and may require frequent replacement.
Carburetor Jetting:
Carburetor jetting may need to be adjusted based on altitude, temperature, and modifications for optimal performance.
Suspension Seals:
Fork and shock seals can be prone to leaks due to the harshness of off-road riding.
Pipe Bends:
The expansion chamber (pipe) can be susceptible to dents and damage from impacts with the ground.
Kawasaki Motorsports:
Kawasaki has a long and successful history in motorcycle racing, particularly in motocross and supercross.
Kx Lineage:
The KX85 is part of Kawasaki's dedicated KX line of motocross bikes, evolved from earlier models like the KX80.
Kx85 Development:
The KX85 succeeded the KX80, featuring updated styling, improved suspension, and engine refinements for enhanced performance.
Production Era:
The KX85 has been in continuous production for many years, with the 2005 model representing a specific iteration of its development.
