Target Audience:
KTM 450 SX ATV owners, service technicians, performance tuners, and parts suppliers specializing in off-road vehicles.
Performance Segment:
Competes in the high-performance, racing-oriented 450cc ATV segment.
Value Proposition:
This OEM Parts Manual is an essential resource for accurate part identification and ordering, directly supporting efficient and correct maintenance and repair for the 2010 KTM 450 SX ATV.
Illustrative Diagrams:
Features detailed, illustrated exploded parts diagrams crucial for understanding component relationships and assembly.
Part Number Listing:
Includes a comprehensive list of all original equipment manufacturer (OEM) part numbers for every component.
Systems Covered:
Engine, Chassis, Suspension, Electrical System, Bodywork, Drivetrain, Wheels and Tires, Brakes, Steering, Fuel System, Cooling System, Exhaust System, Special Tools
Wheel And Tire Components:
Wheels (rims), tires, valve stems, lug nuts, wheel bearings, axles
Brake Components:
Brake calipers, master cylinders, brake lines, brake discs, brake pads, brake levers, pedals
Steering Components:
Steering column, steering shaft, tie rods, steering knuckles, ball joints
Page Count:
Estimated 200-300 pages (typical for OEM parts manuals of this era)
Manual Type:
OEM Parts Manual / Parts Catalog
Accessibility:
Easily accessible via digital download, allowing for quick access on computers, tablets, and smartphones.
Engine Components:
Cylinder head, cylinder block, pistons, crankshaft, camshafts, valves, timing system, lubrication system, cooling system, fuel injection components, ignition system components, starter motor, exhaust system components
Drivetrain Components:
Clutch assembly, transmission gears, shift mechanism, drive chain, sprockets, differential (if applicable)
Chassis And Suspension:
Frame, A-arms, shocks, linkages, swingarm, steering system components, wheel hubs, bearings
Electrical Components:
Wiring harness, battery, lighting system, ignition switch, sensors, CDI unit, starter solenoid
Bodywork And Controls:
Body panels, fenders, seat, handlebars, controls, footpegs, brake levers, throttle assembly
Fuel System Components:
Fuel tank, fuel pump (if applicable), fuel lines, fuel filter, fuel injector
Exhaust System Components:
Exhaust header pipe, muffler, heat shields, mounting hardware
Identification Of Parts:
Detailed exploded views with numbered components for easy identification
Part Number Reference:
Comprehensive listing of all OEM part numbers for ordering and replacement
Disassembly And Assembly Aid:
Visual guidance for part orientation and installation during repair
Component Relationships:
Visual representation of how various components interface and assemble, crucial for understanding the overall machine architecture.
Part Interchangeability:
While not explicitly stated, accurate part numbers help in identifying potential interchangeability within specific KTM model ranges if researched further.
Depth Of Coverage:
High: Provides detailed part breakdowns, assembly sequences for components, and critical component identification. Ideal for mechanics and serious DIYers needing precise part sourcing and understanding of how components fit together.
Diagnostic Capabilities:
Limited to component identification for replacement. Does not include diagnostic trouble codes (DTCs) or troubleshooting guides.
PDF Quality:
High-resolution, searchable PDF with clear, legible diagrams and text.
Print Readability:
Designed for clear printing, ensuring all details on diagrams and part numbers are easily discernible.
Binding Type:
N/A (Digital PDF Download)
Paper Type:
N/A (Digital PDF Download)
Manual Scope:
Comprehensive parts catalog detailing all replaceable parts and their assembly order. It is not a repair or service manual which would include diagnostic procedures or torque specifications.
Engine Type:
4-stroke, Single Cylinder, SOHC
Displacement:
Approx. 449.3 cc
Bore X Stroke:
Typically around 95 mm x 63.4 mm (specific to model variant)
Compression Ratio:
Typically around 12.5:1 (specific to model variant)
Fuel Delivery:
Fuel Injection (EFI) with Keihin FCR MX carburetor on some models, or EFI system (specifics may vary by market/sub-model)
Fuel Type:
Unleaded gasoline, minimum 91 octane (RON+MON)/95 AKI
Cooling Type:
Liquid-cooled
Oil System:
Wet sump with separate gearbox oil.
Wheelbase:
Approx. 1280 mm (50.4 in)
Ground Clearance:
Typically around 250 mm (9.8 inches)
Seat Height:
Typically around 850 mm (33.5 inches)
Dry Weight:
Approx. 183 kg (403.4 lbs)
Fuel Tank Capacity:
Approx. 9.0 liters (2.4 gal)
Oil Change Interval:
Consult the owner's manual for specific intervals, but typically every 10-15 operating hours or annually. This parts manual will list the correct oil filter part number.
Engine Oil Type:
KTM typically recommends JASO MA certified motorcycle oils. Specific viscosity grade (e.g., 10W-50 or 10W-60) will be in the owner's manual. This manual will show the oil filter part number.
Coolant Type:
Ethylene glycol-based antifreeze with corrosion inhibitors. Specific mix ratio (e.g., 50/50 distilled water) is critical and detailed in the owner's manual. This manual will list cooling system component part numbers.
Brake Fluid Type:
DOT 4 hydraulic brake fluid. This manual will list brake system component part numbers.
Transmission Oil Type:
Motorcycle-specific transmission oil, SAE 80 or 85W-90 gear oil. This manual will list the transmission oil filter part number.
Common Wear Items:
Due to the performance nature, wear items like brake pads, clutch plates, wheel bearings, and suspension components are critical. The manual provides part numbers for all these items.
Engine Component Wear:
Regular inspection of timing chain, piston, and cylinder is recommended for high-mileage or hard-use engines. This manual facilitates sourcing replacement parts.
Ktm Offroad Focus:
KTM has a long and successful heritage in off-road motorsports, including motocross and ATV racing, known for performance-oriented machines.
Sx Lineup Evolution:
The SX line represents KTM's dedicated motocross/racing ATV platform, with continuous development focused on engine power, suspension performance, and chassis dynamics.
Production Period:
KTM produced the 450 SX ATV line for several years, with the 2010 model being a key iteration within its competitive lifespan.
