Target Audience:
KTM dealers, service technicians, and 125 SX owners performing disassembly, repair, and rebuilds
Intended Use:
Identifying correct factory part numbers for ordering, teardown, and reassembly
Completeness:
Complete OEM catalog with illustrated exploded views for every assembly
Convenience:
Instant PDF download with unlimited use, no shipping delay
Illustrations:
Exploded parts diagrams for all assemblies
Part Numbers:
Full factory part numbers listed by section
Engine:
Cylinder, piston, crankshaft, ignition, exhaust
Transmission:
Gearbox, shift mechanism, clutch assembly
Fuel System:
Carburetor, throttle, fuel tank and lines
Cooling System:
Radiator, hoses, water pump components
Chassis:
Frame, footrests, kickstand, bodywork
Suspension:
Front forks, rear shock, linkage and swingarm
Wheels and Brakes:
Wheels, tires, hubs, front and rear brakes
Electrical:
Ignition system, wiring, controls, lighting
Controls:
Handlebar, levers, cables, controls
Fasteners:
Bolts, nuts, washers, hardware by assembly
Part Identification:
Locate any component with exploded diagrams
Ordering:
Verify exact factory part numbers before purchase
Disassembly:
View assembly relationships for teardown
Reassembly:
Correct component placement and hardware selection
Diagrams:
Illustrated exploded views for every assembly
Numbering:
Complete OEM part numbers with quantities
Depth:
Parts-level detail, not repair procedures
Part Numbers:
Listed by section throughout the catalog
Sections:
Organized by major vehicle systems
File Format:
PDF (searchable, bookmarked, zoomable)
Compatibility:
Windows, macOS, Linux, iOS, and Android — any device with a PDF reader
Requirements:
A PDF reader application (e.g. Adobe Acrobat Reader, free)
Searchability:
Fully text searchable for fast lookup of any topic
Print Quality:
High-resolution digital pages, printable at full clarity
Binding Type:
N/A — digital download, no physical binding
Paper Type:
N/A — digital download, no physical paper
Wheelbase:
Approx. 1,441 mm (56.7 in)
Ground Clearance:
Approx. 350 mm (13.8 in)
Seat Height:
Approx. 930 mm (36.6 in)
Fuel Tank Capacity:
Approx. 8 liters (2.1 gal)
Curb Weight (dry, approx.):
Approx. 87 kg (192 lb) dry
Crash Test Ratings:
N/A - off-road competition motorcycle, not crash tested
Active Safety:
Front and rear hydraulic disc brakes
Passive Safety:
High-visibility race bodywork, chain guide protection
Rider Protection:
Engine kill switch on handlebar
Piston Service:
Inspect/replace top-end at frequent race intervals
Transmission Oil:
SAE 15W/50 or per owner's manual capacity
Coolant:
Commercial quality glycol-based antifreeze mix
Chain Care:
Regular chain and sprocket inspection and lubrication
Suspension:
Periodic fork and shock service recommended
Common Wear Items:
Piston, rings, clutch plates, brake pads, sprockets
