Segment:
Performance Motocross / Off-Road Motorcycles
Competitors:
Yamaha YZ85, KTM 85 SX, Suzuki RM85, Honda CR85R
Target Audience:
Motocross racers, off-road enthusiasts, mechanics
Value Proposition:
Comprehensive factory-level repair and maintenance information for DIY enthusiasts and professional mechanics.
Applicable Years:
2001, 2002, 2003, 2004, 2005, 2006, 2007
Models Covered:
KX85, KX100
Estimated Pages:
High (typically 300-600+ pages for a comprehensive service manual)
Type:
Workshop Service Repair Manual
Format:
PDF (Digital Download)
Powertrain:
Engine, Transmission, Clutch, Cooling System, Exhaust System
Chassis:
Frame, Suspension (Front Forks, Rear Shock), Steering, Wheels, Tires, Brakes (Front & Rear Disc)
Electrical:
Ignition System, Lighting, Battery, Charging System, Wiring Diagrams, Troubleshooting
Bodywork:
Body Panels, Seat, Fuel Tank, Handlebars, Footpegs
Maintenance:
Scheduled Maintenance, Oil Changes, Filter Replacements, Chain Adjustment, Spark Plug Service, Brake Pad Replacement
Diagnostics:
Troubleshooting Guides, Symptom-Based Diagnostics, Component Testing
Repair:
Engine Overhaul, Transmission Rebuild, Suspension Overhaul, Brake System Repair, Electrical Component Repair
Disassembly Assembly:
Step-by-step instructions for component removal and installation
Depth:
Comprehensive: Covers everything from basic maintenance to full engine rebuilds and advanced diagnostics.
Detail Level:
Detailed diagrams, torque specifications, clearances, and step-by-step procedures.
Engine Type:
2-Stroke, Liquid-Cooled
Kx100 Displacement:
99 cc
Bore X Stroke Kx85:
48.5 mm x 47.0 mm
Bore X Stroke Kx100:
52.5 mm x 47.0 mm
Compression Ratio Kx85:
9.6:1 (typical)
Compression Ratio Kx100:
10.0:1 (typical)
Horsepower Kx85:
Approx. 20-25 HP (varies by year and tuning)
Horsepower Kx100:
Approx. 25-30 HP (varies by year and tuning)
Carburetor:
Mikuni VM28/SS (KX85), Mikuni VM28/SS (KX100) (typical)
Fuel Type:
Unleaded gasoline with 2-stroke oil mix (e.g., 20:1 or 32:1 ratio, refer to manual for specifics)
Ignition:
Digital CDI (Capacitor Discharge Ignition)
Overall Length Kx85:
Approx. 1840 mm (72.4 in)
Overall Length Kx100:
Approx. 1845 mm (72.6 in)
Overall Width:
Approx. 760-780 mm (29.9-30.7 in)
Overall Height:
Approx. 1150-1165 mm (45.3-45.9 in)
Wheelbase:
Approx. 1275 mm (50.2 in)
Curb Weight Kx85:
Approx. 75 kg (165 lbs)
Curb Weight Kx100:
Approx. 76 kg (168 lbs)
Fuel Capacity:
6.0 Liters (1.6 US gal)
Safety Ratings:
N/A (Off-road vehicles typically do not have NHTSA/Euro NCAP ratings)
Braking System:
Hydraulic disc brakes front and rear for strong stopping power.
Suspension Tuning:
Adjustable suspension (rebound, compression) for rider preference and track conditions.
Frame Construction:
High-tensile steel perimeter frame for rigidity and durability.
Oil Change Frequency:
Refer to manual; typically after every 5-10 hours of hard use or as specified by manufacturer for break-in.
Air Filter Cleaning:
Frequent cleaning recommended based on riding conditions (e.g., every few hours).
Spark Plug Replacement:
Refer to manual; typically every 20-40 hours of use, depending on plug type and conditions.
Chain Lubrication Adjustment:
Regularly, often every ride or every few hours of riding.
Engine Oil:
Kawasaki specified 2-stroke premix oil (refer to manual for recommended brand and mix ratio, e.g., KASEL 2 or equivalent API TC/JASO FD certified).
Transmission Oil:
Kawasaki KLEENAX or equivalent SAE 10W-40 API SE, SF, SG, SH, SJ (manual specific).
Coolant:
Mixture of distilled water and permanent antifreeze (ethylene glycol based) with corrosion inhibitors (refer to manual for specific type and ratio).
Brake Fluid:
DOT 4 brake fluid (refer to manual).
Common Wear Items:
Clutch plates, piston and rings, reed valves, chain and sprockets, wheel bearings, fork seals, brake pads.
Engine Tuning:
Proper jetting for atmospheric conditions and modifications is crucial for optimal performance and longevity.
Suspension Maintenance:
Regular fork oil changes and seal replacement are vital for consistent handling.
Manufacturer:
Kawasaki Heavy Industries Motorcycle & Engine Company
Heritage Focus:
Long history in motocross and off-road racing with successful KX models.
Evolution Summary:
The KX85 and KX100 are direct descendants of Kawasaki's successful small-displacement motocross lineage, evolving through various engine updates and chassis refinements. The 2001-2007 models represent a significant generation with updated styling and performance characteristics.
Production Period:
The KX85/KX100 platform has been in production for many years, with the 2001-2007 generation being a specific widely supported model range.