Segment:
High-performance off-road competition motorcycle, often used for motocross, cross-country, and extreme enduro events.
Competitors:
Yamaha YZ450F, Honda CRF450R, Suzuki RM-Z450, KTM 450 SX-F.
Engine Platform:
Shares lineage with Kawasaki's highly successful motocross bikes, adapted for off-road durability and usability.
Suspension Tuning:
Designed with robust, adjustable suspension components suitable for varied terrain and riding styles.
Durability:
Emphasis on components that withstand the rigors of off-road racing and demanding conditions.
Engine System:
Detailed diagnostics, disassembly, assembly, inspection, and repair procedures for the entire engine (top-end, bottom-end, lubrication, cooling).
Fuel System:
Carburetor (Mikuni VM34SS) overhaul, adjustment, fuel tank, fuel pump (if applicable), and fuel lines.
Ignition System:
CDI unit, ignition coil, spark plug, wiring, and timing.
Transmission System:
Clutch operation, disassembly, inspection, and repair; gearbox disassembly, assembly, inspection, and lubrication.
Drivetrain System:
Chain drive maintenance, adjustment, and replacement; rear sprocket and front sprocket.
Suspension System Front:
Front fork (conventional telescopic, upside-down depending on specific sub-model) disassembly, oil change, seal replacement, and internal component inspection.
Suspension System Rear:
Rear shock absorber disassembly, service, adjustment (preload, rebound, compression), and linkage maintenance.
Braking System Front:
Front brake caliper, master cylinder, brake lines, brake pads, and rotor service and replacement.
Braking System Rear:
Rear brake caliper, master cylinder, brake lines, brake pads, and rotor service and replacement.
Electrical System:
Wiring diagrams, lighting system, battery maintenance, starter motor, charging system (stator, regulator/rectifier).
Cooling System:
Radiator, cooling fan, hoses, coolant specifications, and bleeding procedures.
Frame And Bodywork:
Frame inspection, fuel tank removal/installation, seat, fenders, and plastic body panel servicing.
Disassembling And Assembly:
Step-by-step instructions for complete disassembly and reassembly of major components and sub-assemblies.
Troubleshooting:
Systematic diagnostic procedures for common problems and faults, including symptom-based troubleshooting guides.
Maintenance Procedures:
Regular maintenance tasks such as oil changes, filter replacements, chain adjustments, and lubrication points.
Repair Procedures:
Detailed instructions for repairing or replacing worn or damaged parts.
Wiring Diagrams:
Complete and detailed electrical wiring schematics for easy identification and tracing of circuits.
Depth Of Coverage:
Extremely high. Covers everything from basic user maintenance to complete engine rebuilds, complex electrical diagnostics, and suspension tuning.
Precision Measurements:
Includes all necessary specifications for measurements, clearances, torque values, and tolerances.
Special Tools:
Lists any specific Kawasaki or aftermarket tools required for certain procedures.
Engine Type:
Four-stroke, DOHC, single-cylinder
Bore X Stroke:
96.0 x 62.1 mm
Compression Ratio:
11.1:1 (typical, may vary slightly)
Valve Train:
DOHC, 4 valves
Horsepower:
Estimated 50-55 HP (at crankshaft, typical for this class)
Torque:
Estimated 30-33 lb-ft (at crankshaft, typical for this class)
Carburetor:
Mikuni VM34SS
Fuel Type:
Unleaded gasoline (91 octane or higher recommended)
Oil Type:
API SG or SH, SAE 10W-40 motorcycle oil
Oil Capacity:
Approximately 1.8 L (1.9 US qt) with filter change
Engine Oil Change:
Every 1,000 km (600 miles) or 6 months, or more frequently under harsh racing conditions.
Oil Filter Replacement:
At every oil change.
Air Filter Cleaning:
Regularly, especially after dusty riding. Service every 500 km (300 miles) or as needed.
Spark Plug Inspection:
Every 2,000 km (1,200 miles) or annually.
Valve Clearance Check:
Every 4,000 km (2,400 miles) or annually.
Engine Oil Specification:
API SG or SH, SAE 10W-40 motorcycle oil.
Coolant Specification:
Permanent type anti-freeze coolant, mixture of 50% coolant and 50% distilled water.
Brake Fluid Specification:
DOT 4 hydraulic brake fluid.
Carburetor Tuning:
May require fine-tuning based on altitude, temperature, and modifications for optimal performance.
Suspension Maintenance:
Regular fork seal inspections and oil changes are critical for maintaining proper suspension performance.
Clutch Wear:
Clutch plates can wear faster under aggressive riding conditions, requiring periodic inspection and replacement.
Kawasaki Offroad History:
Kawasaki has a long and successful history in off-road racing and competition, building upon its motocross and enduro legacy.
Klx Lineage:
The KLX450R evolved from Kawasaki's successful 4-stroke motocross technology, adapting it for the specific demands of enduro and cross-country riding.
Production Period:
The KLX450R was produced for a specific period, with the 2008-2010 models representing a key generation.
Manufacturing Location:
Primarily manufactured in Japan.
