Engine Mechanical:
Engine assembly, disassembly, top-end, bottom-end, piston, rings, cylinder, crankshaft, connecting rod, lubrication system
Fuel System:
Carburetor tuning, cleaning, overhaul; fuel tank, fuel lines, fuel filter
Cooling System:
Liquid cooling system: radiator, water pump, hoses, coolant specifications
Ignition System:
CDI unit, spark plug, ignition timing, stator, flywheel
Transmission Drivetrain:
Clutch operation, adjustment, replacement; gearbox disassembly, assembly, shift mechanism, final drive (chain and sprockets)
Chassis Frame:
Frame inspection, repair; subframe, footpegs, seat
Suspension Front:
Front fork: disassembly, assembly, oil change, seal replacement, spring rates, damping adjustments
Suspension Rear:
Rear shock absorber: adjustment, overhaul; linkage system, bearings
Wheels Tires:
Wheel bearing maintenance, spoke tensioning, tire fitting and removal, recommended tire pressures
Brakes Front:
Front brake system: caliper, master cylinder, brake fluid, pad replacement, bleeding procedure, rotor specifications
Brakes Rear:
Rear brake system: caliper, master cylinder, brake fluid, pad replacement, bleeding procedure, rotor specifications
Electrical System:
Wiring diagrams, battery maintenance, lighting system, kill switch, simple diagnostic procedures
Controls:
Throttle, clutch, brake levers; shifter adjustment, handlebar components
Bodywork:
Plastic panel removal and installation, graphics, seat upholstery
Routine Maintenance:
Oil changes, filter cleaning/replacement, chain adjustment, spark plug checks, air filter cleaning
Disassembly Assembly:
Complete step-by-step instructions for all major components and systems
Troubleshooting:
Diagnostic charts and procedures for common performance issues, starting problems, and system failures
Rebuilds:
Detailed instructions for engine, transmission, and suspension component rebuilds
Cleaning:
Specific cleaning procedures for engine components, carburetors, and other parts
Reinstallation:
Correct procedures for reassembling all serviced components
Specifications And Data:
Torque values, clearances, fluid capacities, pressure specifications, electrical resistance values
Depth Of Coverage:
Comprehensive: Covers all aspects from basic maintenance to full engine and component rebuilds
Target Audience:
Professional technicians and experienced DIY mechanics
Engine Type:
2-Stroke, Single-cylinder, Liquid-cooled
Displacement:
64 cc (3.9 cubic inches)
Bore X Stroke:
44.0 x 41.5 mm
Compression Ratio:
8.7:1 (typical, may vary slightly)
Valve Mechanism:
Reed valve induction
Horsepower:
Approx. 10-12 HP (stock, varies by year and tuning)
Torque:
Approx. 5-6 lb-ft (stock, varies by year and tuning)
Carburetor Model:
Keihin PWK28 (typical)
Fuel Type:
Unleaded gasoline (91 octane or higher recommended) mixed with 2-stroke oil
Fuel Mixture Ratio:
50:1 (Kawasaki Kasei 2-stroke oil, or equivalent).
Transmission Oil Type:
SAE 10W-30 API SG or SH transmission oil (e.g., Kawasaki Genuine Gear Oil)
Transmission Oil Capacity:
Approx. 0.65 Liters (0.69 US qt)
Oil Change Frequency:
Every 15-20 hours of riding, or annually.
Air Filter Cleaning:
After every few rides, or more frequently in dusty conditions.
Spark Plug Inspection:
Every 10-15 hours of riding.
Chain Lubrication Adjustment:
Before every ride, adjust tension as needed.
Fork Oil Change:
Every 20-30 hours of riding or annually, depending on usage intensity.
Engine Oil Type:
High-quality 2-stroke motorcycle oil (e.g., Kawasaki Kasei 2-stroke oil, Bel-Ray, Motul)
Transmission Oil Spec:
SAE 10W-30 API SG or SH
Brake Fluid Type:
DOT 3 or DOT 4 hydraulic brake fluid
Coolant Type:
Permanent type anti-freeze coolant (50/50 mix with distilled water)
Common Wear Items:
Clutch plates, piston and rings, fork seals, brake pads, chain and sprockets.
Carburetor Issues:
Can be sensitive to jetting changes and require regular cleaning to maintain optimal performance, especially with ethanol fuels.
Cooling System Maintenance:
Regular flushing and refilling of the coolant is crucial to prevent overheating, especially during hard riding.
Transmission Shifting:
Proper clutch adjustment and regular oil changes are key to smooth shifting. Worn shift forks or engagement dogs can cause popping out of gear.
Kawasaki Motocross Legacy:
Kawasaki has a long and successful history in motocross racing, consistently producing competitive machinery across various engine displacements.
Kx Series Philosophy:
The KX65 represents Kawasaki's commitment to developing entry-level motocross bikes that offer high performance and ease of use for young racers, closely mirroring the technology found in their larger KX models.
Manufacturing Location:
Japan (primary manufacturing)
Production Run:
Introduced in 2000, the KX65 has seen continuous production with minor updates through 2011 and beyond, cementing its status as a foundational model in the mini-motocross class.