Segment:
        
        
            Performance Off-Road (Enduro/Motocross focus with potential for dual-sport conversion)
        
     
    
        
            Target Audience:
        
        
            Enthusiasts, racers, mechanics performing maintenance and repairs
        
     
    
    
        
            Competitors:
        
        
            Yamaha WR450F, Honda CRF450X, KTM 450 EXC
        
     
    
    
        
            Vehicle Focus:
        
        
            Aggressive performance, off-road capability, robust construction
        
     
    
        
            Manual Value:
        
        
            Essential for proper maintenance, diagnosis, and repair to maximize performance and longevity
        
     
 
    
    
    
        
            Engine:
        
        
            Complete overhaul, diagnostics, tuning, cooling system, lubrication system
        
     
    
        
            Fuel System:
        
        
            Carburetor (likely Keihin FCR type), fuel pump, fuel tank, fuel lines
        
     
    
        
            Transmission:
        
        
            Clutch, gearbox, shift mechanism, lubrication
        
     
    
        
            Chassis:
        
        
            Frame, swingarm, linkages, suspension (front and rear), steering
        
     
    
        
            Electrical System:
        
        
            Ignition system, lighting, charging system, starter motor, wiring diagrams
        
     
    
        
            Brakes:
        
        
            Front and rear brake systems, master cylinders, calipers, rotors, fluid replacement
        
     
    
        
            Wheels And Tires:
        
        
            Wheel bearing service, tire replacement, spoke tension
        
     
    
        
            Bodywork:
        
        
            Fairings, seat, fenders, plastics, graphics
        
     
    
    
        
            Maintenance:
        
        
            Scheduled maintenance intervals, oil changes, filter replacements, chain adjustments
        
     
    
        
            Troubleshooting:
        
        
            Diagnostic charts for common problems, fault finding
        
     
    
        
            Repair:
        
        
            Component disassembly, reassembly, and adjustment for all major systems
        
     
    
        
            Special Tools:
        
        
            Identification and usage of specialized tools required for specific procedures
        
     
    
    
        
            Depth:
        
        
            Comprehensive; covers everything from basic checks to complete engine rebuilds and electrical system diagnostics
        
     
 
    
    
    
        
            Type:
        
        
            Liquid-cooled, 4-stroke, DOHC, 4-valve single cylinder
        
     
    
        
            Displacement:
        
        
            449 cc (27.4 cu in)
        
     
    
        
            Bore X Stroke:
        
        
            92.0 x 67.1 mm (3.62 x 2.64 in) - typical for this era
        
     
    
        
            Compression Ratio:
        
        
            12.0:1 (typical for this model)
        
     
    
    
        
            Horsepower:
        
        
            Approx. 50-55 HP (estimated at crank, varies by market and tune)
        
     
    
        
            Torque:
        
        
            Approx. 32-35 lb-ft (estimated at crank, varies by market and tune)
        
     
    
    
        
            Carburetor:
        
        
            Keihin FCR40 (likely) with Accelerator Pump
        
     
    
        
            Fuel Type:
        
        
            Unleaded gasoline, 91+ octane recommended
        
     
    
    
        
            Type:
        
        
            Digital CDI with electronic advance
        
     
    
    
    
        
            Coolant Capacity:
        
        
            Approx. 1.8 L (1.9 US qt)
        
     
 
    
    
    
        
            Type:
        
        
            5-speed constant mesh, sequential
        
     
    
        
            Clutch:
        
        
            Wet, multi-disc, manual
        
     
    
    
        
            Gear Ratios:
        
        
            Specific ratios covered in manual, designed for off-road torque
        
     
    
    
        
            Engine Oil Capacity:
        
        
            Approx. 1.8 L (1.9 US qt) with filter change
        
     
    
    
        
            Engine Oil Type:
        
        
            SAE 10W-40, API SG or higher, JASO MA certified
        
     
 
    
    
    
        
            Length:
        
        
            Approx. 2,200 mm (86.6 in)
        
     
    
        
            Width:
        
        
            Approx. 825 mm (32.5 in)
        
     
    
        
            Height:
        
        
            Approx. 1,255 mm (49.4 in)
        
     
    
    
        
            Dry Weight:
        
        
            Approx. 114 kg (251.3 lbs)
        
     
    
        
            Wet Weight:
        
        
            Approx. 125 kg (275.6 lbs) (with all fluids)
        
     
    
    
        
            Wheelbase:
        
        
            Approx. 1,475 mm (58.1 in)
        
     
    
    
        
            Ground Clearance:
        
        
            Approx. 325 mm (12.8 in)
        
     
    
    
        
            Seat Height:
        
        
            Approx. 955 mm (37.6 in)
        
     
 
    
    
    
        
            Certification:
        
        
            Not typically rated by safety organizations like NHTSA/IIHS as it's an off-road vehicle
        
     
    
    
        
            Braking System:
        
        
            Hydraulic disc brakes front and rear
        
     
    
        
            Suspension Features:
        
        
            Adjustable front forks (compression, rebound) and rear shock (preload, compression, rebound)
        
     
    
    
        
            Lighting:
        
        
            Headlight, taillight/stoplight (may vary based on original configuration/market)
        
     
 
    
    
    
        
            Oil Change Interval:
        
        
            Every 600 miles (1000 km) or 3 months, whichever comes first (typical recommendation)
        
     
    
        
            Air Filter Cleaning:
        
        
            Every 10-15 hours of riding in dusty conditions, or 30-40 hours in clean conditions
        
     
    
        
            Chain Lubrication Adjustment:
        
        
            Every 300 miles (500 km) or after washing/wet riding
        
     
    
        
            Valve Clearance Check:
        
        
            Every 1,000-1,500 miles (1600-2400 km) or annually
        
     
    
    
        
            Fork Oil Type:
        
        
            Kawasaki KSH-10W or equivalent (e.g., Showa SS-10W, Golden Spectro Extra Light)
        
     
    
        
            Fork Oil Level:
        
        
            Specified in manual, typically around 120-150mm from the top of the inner tube with spring removed and fork compressed
        
     
    
    
        
            Coolant Type:
        
        
            Permanent type antifreeze (ethylene glycol based) with distilled water, 50/50 mix
        
     
    
    
        
            Common Issues:
        
        
            Carburetor jetting sensitivity to altitude and temperature, potential clutch wear under extreme use, chain and sprockets are wear items.
        
     
    
        
            Preventative Maintenance:
        
        
            Regular cleaning of air filter, proper chain tension and lubrication, diligent oil changes are critical for longevity.
        
     
 
    
    
    
        
            Heritage:
        
        
            Kawasaki has a long history of producing competitive off-road motorcycles, including the esteemed KX series.
        
     
    
    
        
            Predecessors:
        
        
            The KLX450R builds upon Kawasaki's experience with 4-stroke motocross and enduro technology, often sharing components or design philosophies with the KX450F.
        
     
    
        
            Features Introduction:
        
        
            Introduced as a dedicated off-road/enduro machine, often featuring a slightly wider gear ratio spread and more user-friendly power delivery compared to its motocross sibling.
        
     
    
    
        
            Manufacturing Location:
        
        
            Japan (typical for Kawasaki motorcycles)
        
     
    
        
            Production Period:
        
        
            The KLX450R model line has been produced in various iterations, with the 2008-2011 period representing a specific generation.