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Description
FEATURES
- Constructed of the same great quality and specifications that the Japanese OEMs have trusted and used since 1946
- Parkerizing surface treatment prohibits rust and corrosion, building resistance against those agents, resulting in a longer lasting, better appearance
- Most race applications feature drilled weight-reduction holes (depends on application/tooth size)
- Manufactured from case-hardened chromoly steel for unparalleled strength and durability
Technical Specifications
- MFG. Part Number JTF1323.13SC
Vehicle Information
KTM 400 EXC Dirt Bike (1993-2011)
The KTM 400 EXC, produced from 1993 to 2011, is a renowned enduro motorcycle known for its robust performance and off-road capabilities. Over its long production run, this 400cc four-stroke model saw significant evolution in its engine and chassis. The early models (1993-1998) featured the LC4 engine, appearing under designations like LC4 EXC, LC4 EGS, and EGS-E. From 2000 to 2007, the 400 EXC was powered by the acclaimed "Racing Four Stroke" (RFS) engine, which introduced electric start and underwent several chassis updates, including a new subframe and airbox in 2003, and a new frame between 2005-2007. The final generation, from 2008 to 2011, saw the introduction of the XC4 engine and another new chassis design, with continuous refinements and the availability of "Six Days" special editions. These distinct engine and chassis platforms mark clear generational shifts. FAQ:
Q: Will this part fit my KTM 400 EXC?
A: To ensure perfect compatibility, please use the year and edition selector at the top of the page.
Maintenance
| Component | Interval | Details |
| Engine Oil and Oil Filter | First service: 3 hours or 20 liters of fuel. Subsequent: 15 hours or 100 liters of fuel (general use); 10 hours (aggressive/race use). | Includes cleaning oil screen and drain plug magnet. |
| Air Filter | General use: 10-20 hours. Aggressive/race use: 5-10 hours. | Clean air filter and air filter box regularly. |
| Spark Plug | General: 15 hours or 100 liters of fuel. KTM 400 EXC RACING: 30 hours. | |
| Timing Chain | Check elongation and tensioner every 30 hours or 200 liters of fuel. | |
| Coolant | Check level before each ride. Check system and antifreeze at first service (3 hours or 20 liters of fuel). | |
| Valve Clearance | Check and adjust at first service (3 hours or 20 liters of fuel), then every 15 hours or 100 liters of fuel. | |
| Top-End Inspections (Piston, Cylinder) | 25-60 hours depending on use. | |
| Bottom-End Inspections (Crankshaft, Bearings) | 50-100 hours depending on use. | |
| Chain and Sprockets | Regularly. | Clean, lubricate, and inspect for wear. |
| Before Each Ride Checks | Before each ride. | Check oil level, brake fluid, pads, tire pressure, coolant, fuel lines, controls, brake performance, and fasteners. |