Segment:
High-performance motocross motorcycle, designed for competitive racing and aggressive off-road riding.
Competitors:
Competes directly with other 450cc motocross bikes from major manufacturers like Yamaha (YZ450F), Honda (CRF450R), Kawasaki (KX450F), and Suzuki (RM-Z450).
Engine Type:
Powerful 450cc SOHC four-stroke engine, known for its strong torque and broad powerband.
Suspension:
Features high-quality WP suspension components, renowned for their performance and adjustability in motocross applications.
Chassis:
Lightweight and rigid chromoly steel frame, designed for optimal handling and rider feedback.
Braking:
Equipped with Brembo hydraulic brakes for superior stopping power and modulation.
Performance Focus:
Built with racing in mind, emphasizing power delivery, suspension performance, and rider ergonomics for peak off-road competition.
Engine:
Detailed coverage of the 450cc four-stroke engine, including disassembly, assembly, troubleshooting, and component specifications.
Transmission:
Complete information on the gearbox, clutch, and shift mechanisms, including maintenance and repair procedures.
Suspension:
In-depth coverage of front forks (e.g., WP USD forks) and rear shock absorber, including adjustments, seals, and internal components.
Brakes:
Comprehensive guide to hydraulic brake systems, including front and rear calipers, master cylinders, fluid replacement, and bleeding procedures.
Electrical System:
Detailed wiring diagrams, troubleshooting for ignition, lighting, charging system, and starter motor.
Fuel System:
Information on fuel injection system (if applicable to the 2010 model), fuel pump, injectors, and related components.
Cooling System:
Details on the liquid cooling system, including radiator, water pump, thermostat, and coolant specifications.
Chassis And Frame:
Information on frame components, steering head bearings, and general chassis maintenance.
Wheels And Tires:
Specifications for wheel bearing maintenance, tire pressures, and general wheel assembly.
Routine Maintenance:
Oil changes, filter replacements, chain adjustments, spark plug checks, and air filter cleaning/replacement.
Troubleshooting:
Diagnostic procedures for common problems, including no-start conditions, poor performance, and electrical faults.
Engine Rebuild:
Complete step-by-step instructions for engine disassembly, component inspection, repair, and reassembly, including torque specifications.
Suspension Servicing:
Fork seal replacement, fork oil changes, shock absorber service, and internal component inspection.
Brake Service:
Brake pad replacement, caliper overhaul, master cylinder service, and brake fluid bleeding.
Electrical Diagnostics:
Using multimeter for checks, diagnosing charging system issues, and troubleshooting starter circuit.
Depth:
Comprehensive, suitable for both home mechanics and professional technicians. Covers everything from basic adjustments to complete engine and component overhauls.
Engine Type:
Single-cylinder, four-stroke, SOHC
Displacement:
Approximately 450cc (exact bore/stroke for 2010 may require specific manual verification)
Bore X Stroke:
Specifics would be detailed in the manual, typically around 95mm x 63.4mm for this era.
Cooling System:
Liquid-cooled
Lubrication System:
Semi-dry sump
Horsepower:
Estimated 50+ HP (figures vary based on testing and specific tuning)
Torque:
Significant torque output, optimized for motocross acceleration.
Fuel Delivery:
Keihin FCR 41mm flat slide carburetor (common for this model year, refer to manual for confirmation).
Recommended Fuel:
Unleaded gasoline, minimum 95 octane (RON).
Length:
Approx. 2180 mm (refer to manual for precise factory spec)
Width:
Approx. 810 mm (refer to manual for precise factory spec)
Height:
Approx. 1270 mm (refer to manual for precise factory spec)
Dry Weight:
Approx. 103 kg (without fuel, refer to manual for precise spec)
Fuel Tank Capacity:
Approx. 7.5 liters (refer to manual for precise spec)
Engine Oil Change:
Recommended every 10-15 operating hours or as per manual's guideline for severe use. Manual will specify exact intervals.
Air Filter Cleaning:
Frequent cleaning recommended, especially in dusty conditions. Check after every few rides. Manual will detail frequency.
Spark Plug Check:
Inspect and clean or replace as needed, typically every 20-30 operating hours. Manual will provide specifics.
Valve Clearance Check:
Typically checked at 20-30 operating hours or as per manual's recommendation. Critical for performance.
Engine Oil:
Specific viscosity grade (e.g., SAE 10W/50 or 15W/50) and API rating (e.g., SG, SH, SJ) as per manual. Use motorcycle-specific oils.
Coolant:
Mixture of distilled water and a quality anti-freeze/anti-corrosion coolant, typically 50/50. Manual will specify type.
Brake Fluid:
DOT 4 hydraulic brake fluid (DOT 5.1 may be acceptable if specified by manufacturer). Always use fresh fluid.
Potential Wear Items:
As with most high-performance motocross bikes, clutch plates, piston rings, and valve train components are subject to wear based on usage. Regular inspection and maintenance are key.
Carburetor Tuning:
Carburetor jetting may require adjustment based on altitude, temperature, and modifications. Manual will provide baseline settings.
