Target Audience:
KTM dealership technicians, independent two-stroke mechanics, and 144 SX owners performing their own engine rebuilds
Manual Type Position:
Supplemental parts-identification document, not a full service manual
Exploded Views:
Illustrated engine assembly diagrams showing each part in position
Part Numbering:
Complete KTM factory part numbers for ordering replacements
Cylinder & Cylinder Head:
Cylinder, head, O-rings, gaskets and fasteners with exploded views
Piston & Crankshaft:
Piston kit, rings, pin, bearings, connecting rod and crank assembly parts
Clutch:
Clutch plates, springs, baskets, hubs and actuation components
Ignition System:
Stator, rotor, spark plug and ignition cover parts
Cooling System:
Radiator, hoses, water pump impeller, seals and gaskets
Carburetion / Intake:
Carburetor, reed valve block and intake boots
Exhaust:
Exhaust flange, gaskets and mounting hardware
Kick Starter:
Kick starter shaft, gears, springs and return mechanism
Procedures Included:
Parts identification and ordering; assembly reference via exploded diagrams
Technical Depth:
Parts-level detail with factory part numbers and quantity per assembly
Parts Information:
Complete KTM factory part numbers, descriptions and usage quantities
Torque Specifications:
N/A - parts list format; refer to the full service manual
Wiring Diagrams:
N/A - not included in parts list format
Related Documents:
Use alongside the 2008 144 SX engine service manual for repair procedures
Intended Use:
Correct part identification for engine rebuilds and service orders
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
Type:
Single-cylinder two-stroke, liquid-cooled
Displacement:
144 cc (bored/stroked 125-based engine)
Performance Figures:
N/A - not specified in a parts list manual
Fuel System:
Keihin carburetor with reed valve intake
Lubrication:
Premix (fuel/oil mixture)
Service Intervals:
N/A - parts list; see the 2008 144 SX service manual for intervals
Fuel Specification:
Premium gasoline mixed with two-stroke oil per KTM premix ratio
Two-Stroke Oil:
High-quality two-stroke engine oil meeting KTM recommendations
Coolant:
Long-life motorcycle coolant, approx. 50/50 mix
Common Wear Items:
Piston/rings, reeds, clutch plates and springs, water pump seals, sprockets and chain