Category:
High-Performance Motocross Competition Motorcycle
Target User:
Motocross racers and enthusiasts requiring precise part identification for maintenance and repair.
Competitors:
Yamaha YZ450F, Honda CRF450R, Suzuki RM-Z450, Kawasaki KX450F.
Oem Quality:
Provides original equipment manufacturer (OEM) part numbers for accuracy and guaranteed fitment.
Illustrative Diagrams:
Features detailed exploded diagrams for clear visualization of component relationships.
Practical Utility:
Essential tool for identifying correct replacement parts, facilitating efficient repairs and restorations.
Primary Coverage:
Exploded Parts Diagrams and Part Numbers
Secondary Coverage:
Disassembly, Repair, and Assembly Guidance
Estimated Page Count:
N/A (Typical parts manuals are comprehensive, often exceeding 100 pages)
Type:
OEM Parts Catalog/Manual
Engine:
Detailed breakdown of engine components, including cylinder, piston, crankshaft, valves, camshaft, lubrication system, cooling system, and fuel delivery system.
Transmission:
Exploded views and part numbers for gearbox components, clutch assembly, and shift mechanism.
Chassis Frame:
Components related to the frame, subframe, swingarm, linkages, and footpegs.
Suspension:
Front fork components (springs, seals, damping assemblies) and rear shock absorber components (spring, damping unit, linkage parts).
Wheels Hubs:
Hubs, spokes, nipples, rims, and associated bearing assemblies for both front and rear wheels.
Brakes:
Front and rear brake caliper assemblies, master cylinders, brake lines, rotors, and brake pads.
Fuel System:
Carburetor components (if applicable), fuel tank, fuel lines, and fuel filters.
Exhaust System:
Exhaust header pipe, muffler, and mounting hardware.
Electrical System:
Components such as ignition system parts, lighting (if applicable), wiring harnesses, and battery mounting.
Bodywork Plastics:
Radiator shrouds, fenders, seat, fuel tank cover, and side panels.
Parts Identification:
Identification of all individual parts with corresponding OEM part numbers and quantities.
Assembly Guidance:
Visual guidance for correct assembly order and placement of components through exploded diagrams.
Disassembly Guidance:
Visual guidance for correct disassembly order and removal of components through exploded diagrams.
Maintenance Parts:
Identification of common replacement parts for routine maintenance tasks.
Depth:
Highly detailed for parts sourcing and visual assembly reference. Does not contain torque specifications or detailed repair procedures, which are typically found in a Service Manual.
File Type:
PDF (Portable Document Format)
Quality:
Digital, resolution suitable for screen viewing and printing. Quality depends on original scan/creation.
Binding:
N/A (Digital download, no physical binding)
Paper:
N/A (Digital download, no physical paper)
Text Search:
Likely searchable if text-based PDF, but primarily image-driven by diagrams.
Type:
Four-stroke, single-cylinder, liquid-cooled (typical for 450 SX)
Displacement:
Approximately 449cc (Specific to 450 SX model, confirmed via VIN or service manual)
Bore X Stroke:
Typical for this era and class, e.g., 95 mm x 63.4 mm (requires confirmation from service manual).
Horsepower:
Estimated 50-55 HP (at crankshaft, model dependent)
Torque:
Estimated 45-50 Nm (at crankshaft, model dependent)
Carburetor Type:
Likely Keihin FCR (Flat CR) series carburetor, e.g., FCR MX39 or FCR MX40 (specific size to be confirmed).
Ignition System:
Digital CDI (Capacitor Discharge Ignition)
Oil System:
Integrated transmission/clutch lubrication system (common KTM design).
System:
Liquid-cooled with radiator and fan (if equipped).
Type:
5-speed constant mesh
Options:
N/A (Typically a single transmission configuration for SX models)
Clutch:
Hydraulically actuated, multi-plate wet clutch.
Gear Ratios:
Specific gear ratios would be detailed in a service manual, not typically in a parts manual.
Wheelbase:
Approx. 1470-1480 mm (Specific to 2006 450 SX model)
Seat Height:
Approx. 950-960 mm (Specific to 2006 450 SX model)
Dry Weight:
Approx. 100-105 kg (Specific to 2006 450 SX model)
Fuel Tank Capacity:
Approx. 7-8 Liters (Specific to 2006 450 SX model)
Crash Safety:
N/A (Motocross bikes are not subject to standard automotive crash safety ratings.)
Braking System:
Hydraulic disc brakes front and rear for effective stopping power.
Suspension Performance:
Advanced suspension systems designed for absorbing impacts and maintaining control in rough terrain.
Frame Design:
Robust chassis design for rider control and durability.
Oil Change Interval:
Recommended every 15-20 hours of riding or annually (specific recommendation in Service Manual).
Air Filter Cleaning:
Clean after every few rides, or more frequently in dusty conditions.
Spark Plug Replacement:
Check and clean regularly, replace as needed based on condition (typically every 20-30 hours).
Valve Clearance Check:
Recommended every 20-30 hours of riding (critical for performance).
Engine Oil Type:
High-quality synthetic motorcycle oil, e.g., Motorex 10W-50 or equivalent (specific API/JASO rating crucial).
Engine Oil Capacity:
Approx. 1.1-1.2 Liters (including filter, confirmation needed).
Coolant Type:
Ethylene glycol-based coolant with corrosion inhibitors, typically a 50/50 mix with distilled water.
Brake Fluid Type:
DOT 4 or DOT 5.1 (confirm with service manual, DOT 4 is most common).
Engine Wear:
Piston and ring wear, valve seat wear are common in high-performance motocross engines with heavy use.
Clutch Slippage:
Can occur with aggressive use and improper adjustment/maintenance of the clutch plates and springs.
Suspension Seals:
Fork seal leaks and rear shock seal leaks are potential issues requiring timely replacement.
Manufacturer Origin:
KTM AG, Austria.
Specialization:
Renowned for off-road and motocross motorcycles, known for 'Ready to Race' philosophy.
Sx Lineage:
The SX line represents KTM's premier motocross competition bikes, with continuous development in engine performance, chassis dynamics, and suspension technology.
2006 Era Focus:
This period saw KTM refining their 4-stroke motocross offerings, moving towards more user-friendly power delivery and improved chassis stability compared to earlier generations.
Manufacturing Location:
Likely Austria or Italy (KTM's primary manufacturing bases).
