Category:
Performance Motocross Youth/Amateur
Competitors:
Yamaha YZ85, Suzuki RM85, Honda CR85R
Vehicle Attributes:
Powerful 2-stroke engine, advanced suspension, competitive chassis
Engine:
Complete engine disassembly, assembly, inspection, and repair
Cooling System:
Radiator, hoses, thermostat, coolant specifications
Fuel System:
Carburetor (Keihin PWK38), fuel tank, fuel lines, fuel filter
Ignition System:
CDI unit, ignition coil, spark plug specifications
Transmission:
6-speed gearbox, clutch operation, lubrication
Suspension Front:
Upside-down telescopic forks, damping adjustments, oil specifications, seal replacement
Suspension Rear:
Uni-Trak single shock system, shock absorber adjustment, linkage lubrication, bearing maintenance
Brakes Front:
Hydraulic disc brake, caliper maintenance, pad replacement, fluid specifications (DOT 4)
Brakes Rear:
Hydraulic disc brake, caliper maintenance, pad replacement, fluid specifications (DOT 4)
Electrical System:
Wiring diagrams, lighting, switches, battery maintenance
Frame And Bodywork:
Frame inspection, body panel removal/installation, seat, fuel tank, plastics
Wheels And Tires:
Spoke tensioning, wheel bearing maintenance, tire pressure recommendations
Maintenance:
Routine maintenance checks, lubrication points, filter replacement
Troubleshooting:
Diagnostic charts for common problems, electrical and mechanical issues
Disassembly Assembly:
Step-by-step instructions for all major component overhauls
Repair:
Detailed repair procedures for all specified systems
Inspection:
Specific checks for wear and tear on critical components
Adjustments:
Carburetor tuning, clutch lever adjustment, suspension settings
Depth:
Comprehensive, from basic service to complete engine rebuilds
Type:
Liquid-cooled, 2-stroke, single-cylinder
Displacement:
84 cc (4.9 cu in)
Bore X Stroke:
48.5 mm x 45.8 mm
Valvetrain:
KIPS (Kawasaki Integrated Powervalve System)
Horsepower Estimated:
22 hp @ 11,500 rpm (approximate, varies by source)
Torque Estimated:
10 lb-ft @ 10,500 rpm (approximate, varies by source)
Carburetor:
Keihin PWK38, single
Fuel Type:
Unleaded gasoline, minimum 91 octane
Fuel Mixture:
50:1 ratio with 2-stroke oil
Ignition System:
Digital CDI
Spark Plug:
NGK BR9EG or equivalent
Type:
6-speed constant mesh, return shift
Gear Ratios:
Refer to manual for specific gear ratios
Transmission Oil Type:
Kawasaki Genuine 2-stroke KDX oil or equivalent API-GL4 SAE 10W-30
Transmission Oil Capacity:
Approx. 0.7 L (0.7 US qt)
System:
N/A (Motocross bike, no infotainment)
Features:
N/A (Motocross bike, no driver assistance systems)
Features:
N/A (Motocross bike, no connectivity features)
Oil Change:
Refer to manual; typically every 10-15 hours of riding
Air Filter Cleaning:
Every 5-10 hours of riding
Spark Plug Replacement:
Refer to manual; typically every 20-30 hours of riding
Top End Rebuild:
Refer to manual; typically every 30-50 hours of riding (piston, rings, conrod)
Coolant:
Kawasaki All Season Coolant or equivalent (50/50 mix with distilled water)
Fork Oil:
Refer to manual for specific grade (e.g., Showa SS-03 or equivalent 5W)
Common Wear Items:
Clutch plates, brake pads, wheel bearings, piston rings, crank bearings, exhaust packing.
Carburetor Tuning:
May require tuning based on altitude, temperature, and modifications.
Kips System:
Can be prone to carbon buildup, requiring periodic cleaning.
Heritage:
Kawasaki has a long-standing history in motocross, dating back to the early days of the sport.
Kx Series:
The KX85 is a key part of Kawasaki's successful KX line of motocross bikes, evolving from earlier models like the KX80.
Manufacturing Location:
Japan
Production Period:
The KX85 model line began production around 2001, with continuous updates.
