Vehicle Market Segment:
        
        
            High-performance sport ATV, designed for recreational off-roading, trail riding, and possibly entry-level racing.
        
     
    
    
        
            Primary Competitors:
        
        
            Yamaha YFZ450, Suzuki LT-R450, Honda TRX450R
        
     
    
    
        
            Engine Technology:
        
        
            Fuel injected 450cc liquid-cooled engine, emphasizing power delivery and throttle response.
        
     
    
        
            Chassis Design:
        
        
            Lightweight, performance-oriented chassis with adjustable suspension for optimal handling on varied terrain.
        
     
    
        
            Manual Utility:
        
        
            Provides critical information for maintenance, repair, and diagnostics, enabling owners to keep their DS 450 EFI in peak condition.
        
     
 
    
    
    
        
            Years Covered:
        
        
            2007, 2008, 2009
        
     
    
        
            Specific Models Covered:
        
        
            Can-Am DS 450 EFI
        
     
    
    
        
            Estimated Page Count:
        
        
            Extensive, typical for workshop manuals covering multiple model years and systems (exact count not provided in product info)
        
     
    
    
        
            Manual Type:
        
        
            Workshop Service Manual / Repair Manual
        
     
    
    
        
            Language:
        
        
            English (presumed, based on typical professional technician documentation)
        
     
    
    
 
    
    
    
        
            Engine Systems:
        
        
            Engine assembly, disassembly, lubrication, cooling, fuel injection, ignition, exhaust, starting system
        
     
    
        
            Drivetrain Systems:
        
        
            Transmission, clutch, drive chain, final drive, axles
        
     
    
        
            Chassis Systems:
        
        
            Frame, suspension (front and rear), steering, wheels, tires
        
     
    
        
            Braking Systems:
        
        
            Hydraulic brake systems (front and rear calipers, master cylinders, lines), parking brake
        
     
    
        
            Electrical Systems:
        
        
            Wiring diagrams, battery, charging system (alternator/stator), lighting, ignition switch, starting circuit, instrumentation, EFI control unit
        
     
    
        
            Bodywork And Plastics:
        
        
            Body panel removal/installation, fenders, seat, handlebars, controls
        
     
    
    
        
            Maintenance Procedures:
        
        
            Scheduled maintenance, oil changes, filter replacements, chain adjustment, brake fluid flush, spark plug replacement
        
     
    
        
            Diagnostic Procedures:
        
        
            Troubleshooting common problems, fault code diagnosis (if applicable to EFI system), performance checks
        
     
    
        
            Repair Procedures:
        
        
            Component disassembly and reassembly, seal replacement, bearing replacement, carburetor/throttle body service, electrical component testing and replacement
        
     
    
        
            Calibration And Adjustment:
        
        
            EFI system calibration (if user-adjustable), throttle cable adjustment, suspension adjustments
        
     
    
    
        
            Depth Of Coverage:
        
        
            Comprehensive, suitable for professional technicians and experienced DIY mechanics. Covers detailed disassembly, repair, and reassembly of all major vehicle components.
        
     
    
        
            Diagnostic Tools Required:
        
        
            Likely includes information on necessary diagnostic tools, potentially including a CAN-bus diagnostic tool for EFI systems and specialized engine tools.
        
     
 
    
    
    
    
    
        
            Image Resolution:
        
        
            Typically high resolution for clear diagrams and text. Specifics not provided in product data.
        
     
    
    
        
            Binding Type:
        
        
            Not Applicable (Digital PDF Download)
        
     
    
    
        
            Paper Type:
        
        
            Not Applicable (Digital PDF Download)
        
     
    
    
        
            Text Searchability:
        
        
            Typically searchable PDF for quick access to information. Assumed from standard professional manual practices.
        
     
 
    
    
    
        
            Engine Type:
        
        
            4-stroke, Single-cylinder, DOHC, 4 valves
        
     
    
        
            Displacement:
        
        
            449.6 cc (approx.)
        
     
    
        
            Bore X Stroke:
        
        
            95 mm x 63.4 mm (typical for this engine family)
        
     
    
        
            Cooling System:
        
        
            Liquid-cooled
        
     
    
    
        
            Horsepower Est:
        
        
            40-50 HP (estimated, varies by specific model year tuning and conditions)
        
     
    
        
            Torque Est:
        
        
            30-35 lb-ft (estimated)
        
     
    
    
        
            Fuel Delivery:
        
        
            Electronic Fuel Injection (EFI)
        
     
    
        
            Throttle Body Size:
        
        
            Typically around 46mm
        
     
    
        
            Fuel Type Required:
        
        
            Unleaded gasoline, minimum 87 octane (refer to manual for specific recommendation)
        
     
    
    
        
            Ignition Type:
        
        
            CDI (Capacitor Discharge Ignition)
        
     
    
    
        
            Oil Type Recommendation:
        
        
            SAE 10W-40 motorcycle specific oil, JASO MA certified (refer to manual for exact spec and capacity)
        
     
    
    
        
            Engine Identification Number Location:
        
        
            Typically stamped on the engine crankcase.
        
     
 
    
    
    
        
            Overall Length:
        
        
            Approx. 1830 mm (72 inches)
        
     
    
        
            Overall Width:
        
        
            Approx. 1170 mm (46 inches)
        
     
    
        
            Overall Height:
        
        
            Approx. 1010 mm (40 inches)
        
     
    
    
    
    
        
            Rack Capacity Front:
        
        
            Not typically designed for significant cargo carrying; limited rack functionality.
        
     
    
        
            Rack Capacity Rear:
        
        
            Not typically designed for significant cargo carrying; limited rack functionality.
        
     
    
    
        
            Dry Weight Est:
        
        
            Approx. 167 kg (368 lbs)
        
     
    
        
            Fuel Capacity:
        
        
            Approx. 10.5 Liters (2.8 US gal)
        
     
    
        
            Wheelbase:
        
        
            Approx. 1270 mm (50 inches)
        
     
    
        
            Ground Clearance:
        
        
            Approx. 240 mm (9.5 inches)
        
     
 
    
    
    
        
            Atv Safety Standards:
        
        
            Complies with applicable ANSI/SVIA standards for ATVs.
        
     
    
    
        
            Braking System Type:
        
        
            Hydraulic disc brakes, front and rear. Dual front discs, single rear disc.
        
     
    
        
            Parking Brake Mechanism:
        
        
            Hand lever actuated, typically on rear brake caliper.
        
     
    
    
        
            Lighting:
        
        
            Dual headlights, taillight/brake light.
        
     
    
        
            Kill Switch:
        
        
            Handlebar-mounted engine kill switch.
        
     
 
    
    
    
        
            Infotainment System:
        
        
            N/A (Sport ATV focus on performance, not infotainment)
        
     
    
    
        
            Driver Assistance Features:
        
        
            N/A (No electronic driver aids beyond EFI management)
        
     
    
    
        
            Connectivity Features:
        
        
            N/A
        
     
    
    
        
            Dashboard Display:
        
        
            Digital/analog combination dashboard with speedometer, tachometer, fuel level, odometer, trip meter, and indicator lights (e.g., check engine, oil pressure).
        
     
 
    
    
    
        
            Initial Oil Change:
        
        
            Typically around 300-500 miles or 6 months (refer to manual for exact break-in schedule).
        
     
    
        
            Regular Oil Change Interval:
        
        
            Every 1000-1500 miles or 12 months (refer to manual for specific recommendations based on usage).
        
     
    
        
            Chain Lubrication Adjustment:
        
        
            Frequent (e.g., every 300-500 miles or after wet riding), manual will specify exact intervals and procedures.
        
     
    
        
            Valve Clearance Check:
        
        
            Typically around 5000-7000 miles or as specified in the manual. Critical for DOHC engines.
        
     
    
    
        
            Engine Oil Capacity:
        
        
            Approx. 1.9 Liters (with filter change) - verify with manual.
        
     
    
        
            Coolant Type:
        
        
            Ethylene glycol-based antifreeze (e.g., Honda Type 2, BMW Blue, or equivalent) - refer to manual for specific color and concentration.
        
     
    
        
            Brake Fluid Type:
        
        
            DOT 4 hydraulic brake fluid - refer to manual for exact specification.
        
     
    
    
        
            Common Wear Items:
        
        
            Brake pads, chain and sprockets, wheel bearings, front suspension bushings, tie rod ends, air filter, spark plug.
        
     
    
        
            Efi System Considerations:
        
        
            Potential for throttle body or injector cleaning, sensor issues (e.g., TPS, MAP). Manual provides diagnostic steps.
        
     
    
        
        Technical Bulletins Recalls
    
 
    
        
            Access To Tbs Recalls:
        
        
            Manual may reference or indirectly cover areas addressed by technical bulletins or recalls issued by BRP.
        
     
 
    
    
    
        
            Manufacturer Origin:
        
        
            Can-Am is a brand of BRP (Bombardier Recreational Products), a Canadian company with a long history in powersports.
        
     
    
    
        
            Ds Series Introduction:
        
        
            The DS 450 was Can-Am's entry into the highly competitive 450cc sport ATV market, directly challenging established models from Japanese manufacturers.
        
     
    
    
        
            Production Period Covered:
        
        
            2007-2009 are the initial model years for the DS 450 EFI.
        
     
    
        
            Key Production Changes During Period:
        
        
            Subtle refinements in suspension tuning, EFI mapping, and potentially minor component upgrades between 2007 and 2009, all detailed in the manual.
        
     
 
    
    
    
        
            Performance Reviews:
        
        
            The DS 450 was generally well-received for its powerful engine and agile handling, often praised for its premium components and performance potential, particularly in its class.
        
     
    
    
        
            Industry Comparisons:
        
        
            Often compared favorably to its direct competitors, with strengths in chassis stiffness and engine responsiveness.
        
     
    
    
        
            Emissions Compliance:
        
        
            Compliant with EPA and CARB emissions standards for the model years specified. Manual will detail related systems.