Vehicle Category:
Motocross Competition Motorcycle
Target Audience:
Motocross racers, enthusiasts, mechanics, and workshop technicians specializing in performance off-road motorcycles.
Competitors:
Honda CRF450R, Yamaha YZ450F, Kawasaki KX450F, KTM 450 SX-F.
Engine Technology:
High-performance 4-stroke, liquid-cooled, single-cylinder engine with advanced fuel injection (EFI).
Suspension:
Features KYB Separate Function front forks (SFF) and KYB rear shock absorber, known for superior adjustability and performance in its class.
Chassis:
Lightweight aluminum twin-spar frame offering optimal rigidity and balance for agile handling.
Manual Value Proposition:
Provides factory-level repair and maintenance information, enabling owners to perform tasks that would otherwise require a professional workshop, saving time and money.
Main Coverage:
Full Service, Repair, Troubleshooting
Specific Coverage:
All mechanical and electrical systems
Estimated Pages:
Hundreds (specific number not provided, but described as 'very detailed')
Type:
Factory Service Manual / Workshop Manual
Accessibility:
Instant Download
Device Compatibility:
Windows PCs, MAC Computers, Tablets, Smartphones
Usage License:
Unlimited lifetime use on multiple devices
Renewal Policy:
No renewal fees, no expiry dates
Powertrain:
Engine assembly, disassembly, tuning, internal components, cooling system, lubrication system, fuel system (EFI), ignition system, exhaust system.
Drivetrain:
Clutch operation, transmission assembly, gear selection mechanism, final drive (chain and sprockets).
Chassis And Suspension:
Frame inspection and repair, front fork (KYB SSS technology), rear shock absorber, swingarm, linkage system, wheel bearings, steering system.
Braking System:
Front and rear hydraulic brake systems, caliper overhaul, master cylinder, brake lines, rotor maintenance.
Electrical System:
Wiring diagrams, lighting system, battery maintenance, ignition coil, sensor diagnostics (e.g., TPS, MAP), starter system (kickstart).
Bodywork And Controls:
Plastic panel removal and installation, seat, handlebars, footpegs, levers, cables, air filter box.
Maintenance:
Regular service checks, oil and filter changes, chain adjustment, valve clearance checks and adjustment, spark plug replacement, air filter cleaning/replacement.
Troubleshooting:
Diagnostic procedures for common starting issues, performance problems, electrical faults, and mechanical failures. Includes symptom-based troubleshooting guides.
Repair And Overhaul:
Complete engine rebuilds, transmission overhauls, suspension servicing, brake caliper and master cylinder rebuilds, fuel injection system diagnostics and repair.
Technical Data:
Torque specifications for all fasteners, engine timing, diagnostic trouble codes (DTCs), wiring diagrams, fluid capacities, and specifications.
Depth:
Comprehensive, covering routine maintenance to full engine and component overhauls. Utilizes detailed exploded diagrams and step-by-step instructions for all procedures.
Engine Type:
4-stroke, Single Cylinder, DOHC, 4-valve
Bore X Stroke:
96.0 mm x 62.1 mm
Cooling System:
Liquid-cooled
Horsepower Estimate:
Approximately 50-55 HP (at crankshaft, model year dependent, not explicitly stated in product info)
Torque Estimate:
Approximately 35-38 lb-ft (at crankshaft, model year dependent, not explicitly stated in product info)
Fuel Delivery:
Electronic Fuel Injection (EFI) - Keihin 43mm throttle body (specific injector details in manual).
Fuel Type:
Unleaded gasoline, 90+ octane recommended
Ignition Type:
Digital CDI with electronic timing advance
Oil Type Recommendation:
Specific motorcycle-grade engine oil, typically SAE 10W-40 or 15W-50 (refer to manual for exact Suzuki specifications and capacities).
Transmission Type:
Constant-mesh, 5-speed return
Clutch Type:
Wet, multi-plate, cable-actuated
Gear Ratios:
Specific gear ratios are detailed within the manual for each model year.
Transmission Oil:
Refer to manual for specific transmission oil type and capacity (often shared with engine oil, but verification is crucial).
Overall Length:
Approx. 2175 mm (85.6 in) (model year dependent)
Overall Width:
Approx. 805 mm (31.7 in) (model year dependent)
Overall Height:
Approx. 1260 mm (49.6 in) (model year dependent)
Dry Weight:
Approx. 102 kg (225 lbs) (model year dependent, without fluids)
Wet Weight:
Not explicitly provided, but includes oil, coolant, and fuel.
Wheelbase:
Approx. 1475 mm (58.1 in) (model year dependent)
Ground Clearance:
Approx. 330 mm (13.0 in) (model year dependent)
Safety Certification:
Not applicable for competition motorcycles in the same way as street vehicles.
Braking Performance:
Hydraulic disc brakes front and rear, designed for high-performance stopping power. Specific rotor diameters and caliper piston sizes are in the manual.
Frame Construction:
Rigid aluminum frame designed for rider control and impact absorption during competition.
Suspension Compliance:
Advanced suspension systems (KYB SSS) provide stability and control over rough terrain, contributing to rider safety and confidence.
Oil Change Interval:
Every 5-10 hours of competition riding or as specified by manual for typical use.
Air Filter Cleaning:
Every 2-5 hours of riding, or more frequently in dusty conditions.
Valve Clearance Check:
Every 15-20 hours of competition riding (critical for performance).
Chain Adjustment Lubrication:
Check and adjust tension every 5-10 hours; lubricate regularly based on conditions.
Engine Oil Spec:
SAE 10W-40 or 15W-50, API SG or higher, JASO MA certified motorcycle oil. Consult manual for exact Suzuki S-specific recommendations.
Coolant Spec:
High-quality engine coolant (50% ethylene glycol and 50% distilled water mixture) with anti-corrosion additives.
Brake Fluid Spec:
DOT 4 hydraulic brake fluid.
Engine Characteristics:
While generally robust, owners often monitor clutch wear due to aggressive use. Valve adjustments are crucial for maintaining peak performance.
Suspension Maintenance:
Regular servicing of KYB forks and shock is essential for consistent performance. Oil and seal changes are recommended based on usage hours.
Efi System:
EFI system is generally reliable; the manual covers troubleshooting sensor issues (TPS, MAP) and injector cleaning.
Suzuki Offroad Legacy:
Suzuki has a long and successful history in motocross and off-road racing, with legendary models like the RM and RM-Z lines, known for their innovation and performance.
Rmz450 Development:
The RM-Z450 has consistently evolved with advancements in engine technology, chassis design, and suspension, representing Suzuki's commitment to motocross competition.
Key Updates 08 12:
This generation saw significant updates, including the introduction of fuel injection (EFI) for improved power delivery and rideability, and refined chassis and suspension components.
Manufacturing Location:
Primarily manufactured in Japan (Suzuki Motor Corporation).
