CDI (Capacitor Discharge Ignition) with Electronic Advance
Performance
Horsepower Estimate:
Typically in the range of 50-60+ HP, dependent on year and specific tuning.
Torque Estimate:
Significant mid-range torque characteristic of its class, specific figures vary by year.
Fuel System
Carburetion:
Mikuni VM Series Carburetor (specific model varies by year, e.g., VM34SS, VM36SS)
Fuel Type:
Unleaded gasoline with appropriate 2-stroke oil mix (refer to manual for specific ratio and oil type)
Fuel Tank Capacity:
Typically around 2.6 - 3.2 US gallons (9.8 - 12.1 L), check manual for exact specifications.
Cooling System
Cooling Method:
Liquid-cooled (radiator system)
Coolant Type:
Ethylene glycol-based antifreeze, refer to manual for specific mixture ratios and approved types.
Lubrication System
Lubrication Type:
Premix (oil mixed with gasoline) and crankcase lubrication.
🔧 Transmission
Standard
Transmission Type:
5-speed constant mesh sequential gearbox
Clutch Type:
Wet, multi-disc, cable-actuated
Features
Gear Ratios:
Detailed gear ratios for each speed are provided within the manual.
Transmission Oil Type:
Refer to manual for specific transmission oil grade and capacity (typically SAE 80 or 90 gear oil).
📐 Dimensions
Exterior
Length:
Refer to specific year sections within the manual for exact dimensions.
Width:
Refer to specific year sections within the manual for exact dimensions.
Height:
Refer to specific year sections within the manual for exact dimensions.
Weights
Dry Weight Estimate:
Typically around 240-250 lbs (109-113 kg) depending on year and equipment.
🛡️ Safety Features
Ratings
Safety Ratings:
Not applicable in the same way as road vehicles; focus is on component integrity and proper functioning for off-road use.
Active Features
Active Safety Components:
Effective braking system (disc brakes front and rear), responsive suspension, stable chassis geometry.
Passive Features
Passive Safety Considerations:
Rider protection is paramount; manual covers component condition checks and maintenance critical for safe operation.
💡 Technology Features
Infotainment
Infotainment Systems:
N/A (This is a performance motocross bike, not equipped with typical infotainment features).
Driver Assistance
Driver Assistance Features:
N/A (Focus is on rider input and mechanical feedback).
Connectivity
Connectivity Features:
N/A (No electronic connectivity features).
Engine Management
Engine Management Systems:
CDI ignition system with electronic advance is the primary engine management technology. Manual details its function and diagnostics.
🔧 Maintenance
Service Intervals
Engine Top End Overhaul:
Intervals for piston rings, piston, and cylinder inspection/replacement vary based on usage intensity; manual will detail specific recommendations.
Air Filter Cleaning:
Frequent cleaning and oiling required, especially in dusty conditions; manual provides detailed procedures.
Spark Plug Maintenance:
Regular inspection and replacement based on operating hours or performance degradation.
Chain And Sprocket Maintenance:
Regular cleaning, lubrication, and tension adjustment are critical; manual outlines proper procedures and specifications.
Fluid Specifications
2-Stroke Oil Type:
High-quality 2-stroke racing oil recommended; specific brands and JASO ratings will be detailed in the manual.
Coolant Specifications:
Proper mix of distilled water and ethylene glycol-based antifreeze; manual specifies the correct ratio.
Brake Fluid Type:
DOT 4 is commonly used, but the manual will specify the exact requirement for optimal brake performance.
Known Issues
Power Valve Maintenance:
The power valve system requires regular cleaning and inspection to ensure optimal performance and prevent sticking.
Overheating Prevention:
Maintaining proper coolant levels, ensuring radiator fins are clean, and verifying thermostat operation are key.
Clutch Wear:
Regular adjustment and inspection of clutch plates and springs are necessary due to the demanding nature of motocross.
📚 Vehicle History
Brand Heritage
Kawasaki Offroad Legacy:
Kawasaki has a long and successful history in motocross and off-road racing, with the KX line being a cornerstone.
Model Evolution
Kx500 Development:
The KX500 was renowned for its powerful engine and competitive performance throughout its production run, evolving with incremental updates.
Production
Production Period:
1983-2004, a significant 22-year production span indicating its enduring popularity and effectiveness.
🏆 Awards & Recognition
Recognitions
Racing Dominance:
The KX500 has a storied history of success in professional motocross and off-road racing championships, a testament to its engineering and performance.
Ratings
Industry Reputation:
Widely regarded as one of the most potent and capable open-class motocross bikes of its era.
Certifications
Manual Certification:
Official Factory Service Repair Manual, ensuring adherence to OEM standards and procedures.