Category:
        
        
            Competition Motocross Motorcycle
        
     
    
    
        
            Competitors:
        
        
            KTM 85 SX, Yamaha YZ85, Honda CR85R, Kawasaki KX85
        
     
    
    
        
            Target Audience:
        
        
            Junior motocross riders, mechanics, and DIY enthusiasts
        
     
 
    
    
    
        
            Years Covered:
        
        
            2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
        
     
    
    
    
    
        
            Type:
        
        
            Workshop Service Manual
        
     
    
    
    
    
 
    
    
    
        
            Engine:
        
        
            Complete engine disassembly, assembly, troubleshooting, and overhaul
        
     
    
        
            Transmission:
        
        
            Gearbox disassembly, assembly, inspection, and repair procedures
        
     
    
        
            Suspension:
        
        
            Front fork and rear shock absorber service, adjustment, and component replacement
        
     
    
        
            Brakes:
        
        
            Front and rear brake system maintenance, caliper service, and bleeding procedures
        
     
    
        
            Electrical:
        
        
            Ignition system, lighting, wiring diagrams, and troubleshooting
        
     
    
        
            Cooling System:
        
        
            Liquid cooling system components, radiator, and water pump service
        
     
    
        
            Fuel System:
        
        
            Carburetor service, adjustment, and fuel tank maintenance
        
     
    
        
            Frame And Bodywork:
        
        
            Chassis inspection, handlebars, footpegs, and body panel removal/installation
        
     
    
    
        
            Maintenance:
        
        
            Scheduled maintenance, oil changes, filter replacements, and general upkeep
        
     
    
        
            Troubleshooting:
        
        
            Diagnostic procedures for common issues, electrical faults, and performance problems
        
     
    
        
            Repair:
        
        
            Detailed step-by-step repair instructions for all major components
        
     
    
        
            Disassembly Assembly:
        
        
            Comprehensive guides for taking apart and putting back together vehicle systems
        
     
    
        
            Adjustments:
        
        
            Carburetor adjustments, clutch adjustments, and other critical settings
        
     
    
        
            Special Tools:
        
        
            Identification and usage instructions for specialized service tools
        
     
    
    
        
            Depth:
        
        
            Comprehensive, covering everything from basic maintenance to complete engine rebuilds
        
     
 
    
    
    
        
            Type:
        
        
            2-stroke, liquid-cooled
        
     
    
        
            Bore X Stroke:
        
        
            48.0 mm x 46.8 mm (typical for RM85)
        
     
    
    
    
        
            Horsepower:
        
        
            Approximately 20-22 HP (estimated, varies by year and specific tune)
        
     
    
        
            Torque:
        
        
            Approximate torque figures not readily available but significant for class
        
     
    
    
        
            Carburetor:
        
        
            Mikuni VM28SS (typical for this era RM85)
        
     
    
    
    
    
        
            System:
        
        
            Premix oil/fuel, automatic oil injection (may vary by specific market/tune)
        
     
 
    
    
    
        
            Oil Change Frequency:
        
        
            Refer to the manual's periodic maintenance chart; typically after every few riding hours for off-road use.
        
     
    
    
        
            Engine Oil:
        
        
            Suzuki recommends specific 2-stroke premix oils; consult manual for precise specifications and ratios.
        
     
    
        
            Coolant:
        
        
            Ethylene glycol-based coolant with corrosion inhibitors; refer to manual for specific type and mixture.
        
     
    
        
            Transmission Oil:
        
        
            Refer to the manual for the specific Suzuki gear oil recommendation (e.g., SAE 80 API GL-4).
        
     
    
    
        
            Common Wear Items:
        
        
            Piston, piston rings, clutch plates, and air filter are common wear items requiring regular inspection and replacement.
        
     
    
        
            Carburetor Tuning:
        
        
            Carburetor tuning can be sensitive to altitude and temperature changes; requires careful adjustment.
        
     
    
    
        
            Air Filter Cleaning:
        
        
            Crucial to keep the air filter clean and properly oiled to prevent engine damage.
        
     
    
        
            Chain And Sprockets:
        
        
            Regular cleaning, lubrication, and tension adjustment are vital for drivetrain longevity.
        
     
    
    
        
            Importance:
        
        
            The manual provides critical torque specifications for all fasteners to ensure proper assembly and prevent component failure.
        
     
 
    
    
    
        
            Suzuki Legacy:
        
        
            Suzuki has a strong heritage in motocross, with successful models like the RM series dating back decades.
        
     
    
    
        
            Rm85 Development:
        
        
            The RM85 succeeded the popular RM80, offering updated styling, improved performance, and a more competitive chassis.
        
     
    
    
        
            Manufacturing Location:
        
        
            Primarily Japan (Suzuki Motor Corporation)