Motorcycle Segment:
        
        
            Cruiser, entry-level cruiser.
        
     
    
        
            Target Audience:
        
        
            Beginner riders, riders seeking a simple, reliable, and low-maintenance cruiser.
        
     
    
    
        
            Key Competitors:
        
        
            Honda Shadow VLX, Yamaha Virago 535, Kawasaki Vulcan 500.
        
     
    
    
        
            Distinctive Features:
        
        
            Long wheelbase, low seat height, torquey single-cylinder engine, distinctive styling, ease of maintenance.
        
     
    
        
            Manual Value Proposition:
        
        
            Provides comprehensive, detailed, and illustrated guidance for maintaining and repairing the Suzuki Boulevard S40 (LS650 Savage) across its production run, empowering both DIY enthusiasts and professional mechanics.
        
     
 
    
    
    
        
            Applicable Years:
        
        
            1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
        
     
    
        
            Region Coverage:
        
        
            Global (specifications generally applicable across markets, though minor regional variations may exist)
        
     
    
    
    
    
        
            Type:
        
        
            Workshop Service Repair Manual
        
     
    
    
    
    
    
        
            Delivery Method:
        
        
            Instant Download
        
     
 
    
    
    
        
            Engine:
        
        
            Complete overhaul, diagnostics, tuning, fuel system (carburetor), ignition system, lubrication system, cooling system (air-cooled), exhaust system.
        
     
    
        
            Transmission:
        
        
            Clutch operation, gearbox disassembly and assembly, shifting mechanism, maintenance, lubrication.
        
     
    
        
            Chassis And Suspension:
        
        
            Front fork (telescopic) service, rear shock absorber replacement, swingarm maintenance, wheel bearing service, steering head bearing service.
        
     
    
        
            Brakes:
        
        
            Front disc brake system maintenance, caliper service, brake pad replacement, brake fluid bleeding, rear drum brake service.
        
     
    
        
            Electrical System:
        
        
            Wiring diagrams, lighting system, charging system (alternator, regulator/rectifier), starting system (starter motor, battery), ignition system troubleshooting, instrument cluster.
        
     
    
        
            Fuel System:
        
        
            Carburetor disassembly, cleaning, adjustment, jetting specifications, fuel tank and petcock maintenance.
        
     
    
        
            Bodywork And Frame:
        
        
            Frame inspection, body panel removal/installation, seat, fenders, fuel tank mounting.
        
     
    
    
        
            General Maintenance:
        
        
            Oil changes, filter replacement, spark plug inspection/replacement, chain adjustment, brake adjustments, tire pressure checks.
        
     
    
        
            Troubleshooting:
        
        
            Diagnostic guides for common starting issues, engine performance problems, electrical faults, and braking system malfunctions.
        
     
    
        
            Disassembly And Assembly:
        
        
            Detailed step-by-step instructions for removing and installing all major components and sub-assemblies.
        
     
    
        
            Adjustments:
        
        
            Carburetor synchronization and idle speed, ignition timing, clutch and throttle cable free play, brake lever free play.
        
     
    
    
        
            Depth Of Coverage:
        
        
            Comprehensive: Covers everything from routine maintenance to complete engine and transmission rebuilds, including detailed electrical diagnostics.
        
     
    
        
            Diagnostic Capabilities:
        
        
            Includes diagnostic flowcharts, fault code interpretation (if applicable), and systematic troubleshooting procedures.
        
     
    
        
            Special Tools:
        
        
            References specific Suzuki special service tools (SSTs) and their usage for certain procedures.
        
     
 
    
    
    
    
        
            Readability:
        
        
            Optimized for digital viewing and printing.
        
     
    
    
        
            Printability:
        
        
            Yes, all pages are printable.
        
     
    
        
            Resolution:
        
        
            High-resolution for clear text and diagrams.
        
     
    
    
        
            Binding:
        
        
            N/A (Digital Download)
        
     
    
    
        
            Paper Quality:
        
        
            N/A (Digital Download)
        
     
    
    
        
            Required Software:
        
        
            Adobe Reader or compatible PDF viewer.
        
     
    
        
            Compatibility:
        
        
            Windows, macOS, Linux operating systems.
        
     
 
    
    
    
        
            Engine Type:
        
        
            Four-stroke, SOHC, single-cylinder
        
     
    
        
            Displacement:
        
        
            652 cc (40.0 cu. in.)
        
     
    
        
            Bore X Stroke:
        
        
            94.0 mm x 9.4 mm (3.70 in x 3.70 in)
        
     
    
        
            Compression Ratio:
        
        
            8.5:1 (typical, check manual for specific year variations)
        
     
    
        
            Cooling System:
        
        
            Air-cooled
        
     
    
    
        
            Horsepower Output:
        
        
            Approx. 31-33 HP @ 5,500 RPM (estimate, specific figures vary by year and market)
        
     
    
        
            Torque Output:
        
        
            Approx. 38-40 lb-ft @ 3,500 RPM (estimate, specific figures vary by year and market)
        
     
    
    
        
            Carburetor:
        
        
            Mikuni VM34SS (single 34mm slide-valve carburetor)
        
     
    
        
            Fuel Capacity:
        
        
            9.0 L (2.4 US gal)
        
     
    
        
            Fuel Type:
        
        
            Unleaded gasoline, 87 octane or higher (check manual for specific recommendations)
        
     
 
    
    
    
        
            Overall Length:
        
        
            Approx. 2,280 mm (89.8 in)
        
     
    
        
            Overall Width:
        
        
            Approx. 800 mm (31.5 in)
        
     
    
        
            Overall Height:
        
        
            Approx. 1,110 mm (43.7 in)
        
     
    
        
            Wheelbase:
        
        
            Approx. 1,510 mm (59.4 in)
        
     
    
    
        
            Dry Weight:
        
        
            Approx. 170 kg (375 lbs)
        
     
    
        
            Gross Vehicle Weight Rating:
        
        
            Refer to manual; typically around 350 kg (772 lbs) for rider and passenger.
        
     
    
        
            Ground Clearance:
        
        
            Approx. 150 mm (5.9 in)
        
     
 
    
    
    
        
            Crash Test Ratings:
        
        
            N/A (Motorcycle safety standards differ from automotive; focus is on operational safety and rider protection.)
        
     
    
    
        
            Braking System:
        
        
            Front: Single disc brake; Rear: Drum brake.
        
     
    
        
            Lighting:
        
        
            Halogen headlight, LED taillight, incandescent turn signals (design may vary slightly by year).
        
     
    
    
        
            Frame Design:
        
        
            Steel double-cradle frame for rigidity and stability.
        
     
    
        
            Rider Ergonomics:
        
        
            Low seat height and forward-mounted footpegs contribute to a relaxed riding posture.
        
     
    
    
        
            Manual Safety Emphasis:
        
        
            The manual contains explicit DANGER, CAUTION, and NOTE sections for safe operation and to prevent damage.
        
     
 
    
    
    
        
            Infotainment System:
        
        
            N/A (This model predates modern infotainment systems; features basic analog instrumentation).
        
     
    
    
        
            Driver Assistance Features:
        
        
            N/A (Focus is on fundamental motorcycle operation and rider control).
        
     
    
    
        
            Dashboard Features:
        
        
            Speedometer, odometer, trip meter, neutral indicator, high-beam indicator, turn signal indicators, engine oil warning lamp.
        
     
 
    
    
    
        
            Engine Oil Change:
        
        
            Every 4,000 km (2,500 miles) or 6 months. Check manual for specific interval.
        
     
    
        
            Air Filter Cleaning:
        
        
            Every 4,000 km (2,500 miles) or 6 months. Replace as needed.
        
     
    
        
            Spark Plug Replacement:
        
        
            Every 8,000 km (5,000 miles) or 12 months. Check manual for specific interval and type.
        
     
    
        
            Clutch Adjustment:
        
        
            As needed, typically every 4,000 km (2,500 miles). Refer to manual for procedure.
        
     
    
        
            Chain Lubrication Adjustment:
        
        
            Every 1,000 km (600 miles) or after washing/rain riding. Check manual for specific interval.
        
     
    
    
        
            Engine Oil Type:
        
        
            Refer to manual; typically SAE 10W-40 API SE, SF or SG or higher.
        
     
    
        
            Engine Oil Capacity:
        
        
            Approx. 2.2 L (2.3 US qt) with filter change.
        
     
    
        
            Brake Fluid Type:
        
        
            DOT 3 or DOT 4 compliant brake fluid.
        
     
    
        
            Fork Oil Type:
        
        
            Refer to manual; typically SAE 10W fork oil.
        
     
    
        
            Fork Oil Capacity:
        
        
            Refer to manual for precise volume per fork leg.
        
     
    
    
        
            Carburetor Cleaning:
        
        
            Common for older carburetors to require periodic cleaning and adjustment due to gumming or debris. Manual provides detailed instructions.
        
     
    
        
            Rear Shock ABSorber Wear:
        
        
            Over time, rear shocks can lose damping effectiveness. Manual covers replacement procedures.
        
     
    
        
            Drive Shaft Maintenance:
        
        
            Requires periodic lubrication of the drive shaft splines. Manual details the procedure and grease specifications.
        
     
 
    
    
    
        
            Suzuki Motorcycle History:
        
        
            Suzuki has a long-standing reputation for producing reliable and performance-oriented motorcycles across various segments, known for innovation and quality.
        
     
    
    
        
            Ls650 Savage Introduction:
        
        
            Originally introduced as the LS650 Savage in 1986, it quickly gained popularity for its unique styling and accessible performance.
        
     
    
        
            Boulevard Rebranding:
        
        
            Renamed the Boulevard S40 in 2004 as part of Suzuki's Boulevard line-up, maintaining the core mechanicals but with some styling updates.
        
     
    
        
            Engine Development:
        
        
            The LS650's single-cylinder engine was a departure from multi-cylinder cruisers of the era, celebrated for its torque and simplicity.
        
     
    
    
        
            Production Period:
        
        
            1986-2009 for the model covered by this manual.
        
     
    
        
            Manufacturing Location:
        
        
            Japan
        
     
 
    
    
    
        
            Industry Acclaim:
        
        
            While not typically receiving specific 'awards' in the automotive sense, the LS650 Savage and Boulevard S40 were consistently praised for their reliability, ease of use, and value for money, fostering a strong enthusiast following.
        
     
    
    
        
            Owner Satisfaction:
        
        
            Generally high owner satisfaction due to its low maintenance requirements and robust engineering.
        
     
    
    
        
            Manual Quality Certification:
        
        
            This manual is described as 100% complete and intact, meeting quality standards for repair information.