Market Segment:
Entry-level to intermediate motocross/off-road racing for youth riders, often used in Supermini classes or as a stepping stone to larger displacement bikes.
Key Competitors:
Suzuki RM65, Yamaha YZ65 (later models), KTM 65 SX
Design Philosophy:
Compact, lightweight, and powerful for its class, designed for agility and ease of control for younger riders. Emphasizes performance and durability required for competitive off-road use.
Target Audience:
Youth motocross racers, off-road trail riders, and hobbyists looking for a capable 65cc machine.
Covered Years:
2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
Estimated Page Count:
Approx. 400-600 pages (typical for this type of comprehensive manual)
Manual Type:
Factory Service Repair Manual / Workshop Manual / Troubleshooting Guide
Engine System:
Full disassembly, assembly, inspection, troubleshooting, and repair of the engine and its components (cylinder, piston, crankshaft, connecting rod, carburetor, ignition system, cooling system).
Transmission System:
Gearbox overhaul, clutch service, shifting mechanism, lubrication, and troubleshooting.
Chassis System:
Frame inspection, suspension (forks, rear shock), steering system, swingarm, wheel bearings, and related components.
Braking System:
Front and rear brake caliper service, master cylinder overhaul, brake fluid replacement, pad inspection, and bleeding procedures.
Electrical System:
Ignition system (CDI, spark plug), lighting (if applicable), wiring diagrams, component testing, and troubleshooting.
Fuel System:
Fuel tank, fuel lines, fuel filter, and carburetor overhaul and adjustment (specific to Keihin carburetors commonly used).
Cooling System:
Radiator service, coolant replacement, hose inspection (if liquid-cooled variant is covered by the manual's scope).
Exhaust System:
Muffler inspection, pipe removal, and reinstallation.
Preventive Maintenance:
Detailed recommended maintenance schedules, lubrication points, fluid changes, filter replacements, and general inspection procedures.
Troubleshooting Guides:
Systematic diagnostic procedures for common and uncommon problems, symptom-based troubleshooting trees, and electrical fault finding.
Repair Procedures:
Step-by-step instructions for component removal, disassembly, cleaning, inspection, repair, reassembly, and adjustment for all major systems.
Specifications And Tolerances:
Precise torque values, measurement specifications, clearances, and wear limits for critical engine and chassis components.
Wiring Diagrams:
Comprehensive electrical system schematics for easier diagnosis and repair of electrical issues.
Depth Of Coverage:
Complete factory-level repair and overhaul procedures, suitable for experienced mechanics and dedicated DIY enthusiasts. Covers everything from basic maintenance to complete engine rebuilds and electrical system diagnostics.
File Format Details:
Digital PDF file, compatible with most operating systems (Windows, macOS, Linux) and devices with a PDF reader.
Print Quality Notes:
High-resolution digital scans, ensuring clarity of text and diagrams for printing if desired.
Binding Type For Printed:
N/A (Digital PDF Format)
Paper Type For Printed:
N/A (Digital PDF Format)
Engine Type:
2-stroke, single-cylinder, liquid-cooled
Bore X Stroke:
44.0 x 41.5 mm
Compression Ratio:
Approx. 8.4:1 (varies slightly by year/tuning)
Carburetor:
Keihin PWK28 (typically, may vary slightly by region/year)
Horsepower Estimate:
Approx. 15-16 HP (at the crankshaft, manufacturer specific)
Fuel Type:
Unleaded gasoline, minimum 87 octane (octane rating can affect performance and engine longevity)
Fuel Mixture:
Pre-mix gasoline and 2-stroke oil (Kawasaki recommends specific oil ratios, typically 20:1 or 32:1 depending on application and oil type)
Oil Change Interval:
Transmission oil: Every 10-15 hours of riding or annually. Engine oil (pre-mix): Continuous as part of fuel mixture. Chain lube: As needed, typically every ride.
Air Filter Cleaning:
Clean after every few rides or as dictated by riding conditions (dusty environments require more frequent cleaning).
Spark Plug Inspection:
Inspect every 5-10 hours of riding, replace as needed.
Transmission Oil:
Kawasaki Genuine Motorcycle Gear Oil (or API GL-4 equivalent, SAE 10W-30 viscosity) - Capacity approx. 0.75 Liters.
2 Stroke Oil:
High-quality 100% synthetic 2-stroke racing oil specifically formulated for high-performance liquid-cooled motorcycles. (e.g., Kawasaki KART R, Motul 800 2T Factory Line, Yamalube 2R)
Coolant:
Kawasaki All Season Coolant (or equivalent high-quality ethylene glycol-based antifreeze/coolant) mixed 50/50 with distilled water.
Brake Fluid:
DOT 4 hydraulic brake fluid.
Common Wear Items:
Piston rings, clutch plates, wheel bearings, suspension seals, chain and sprockets, spark plugs, air filter.
Potential Problems:
Carburetor jetting sensitivity to altitude and temperature, clutch wear with aggressive use, over-heating if cooling system is neglected, wear on the powervalve mechanism if not regularly cleaned and serviced.
Kawasaki Motorcycle Division:
Kawasaki Heavy Industries Motorcycle & Engine division has a long history of producing high-performance off-road and street motorcycles, known for their innovation and racing success.
Kx Series Legacy:
The KX line has been a dominant force in motocross for decades, with the KX65 serving as the entry point for aspiring racers, continuously refined for performance and reliability.
Manufacturing Origin:
Primarily manufactured in Japan by Kawasaki Heavy Industries.
Production Period Covered:
The KX65 model has been in continuous production with minor updates since its introduction, with this manual covering the 2000-2011 model years which represent a specific generation of its design.
Racing Success:
The Kawasaki KX65 has a proven track record in youth motocross racing series worldwide, often a champion in its class.
Owner Satisfaction:
Generally high among riders and parents for its performance, reliability, and value as a competitive youth motocross bike, provided it is maintained correctly.
Emissions Compliance:
Certified to meet relevant emissions standards for off-road vehicles at the time of manufacture. Specific certifications depend on the market of sale.