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KTM's open-class four-stroke enduros from 2003 on: the 450 and 500 EXC/EXC-F and the US XC-W/XCF-W, with the 530 that preceded the 500.
2003 – present · 450cc · 4-stroke
All-new chassis, suspension and bodywork.
New frame for the EXC-F range (confirmed for the 350 and 500 only).
2023 – present · 450cc · 4-stroke
New US off-road-only 450 enduro, on the new EXC chassis from 2024.
2000 – present · 510cc · 4-stroke
New-generation EXC chassis.
2007 – 2016 · 449cc · 4-stroke
SOHC fuel-injected engine and new frame, with a kick-start plug.
2008 – 2024 · 511cc · 4-stroke
New-generation EXC chassis.
New frame, engine and ergonomics, WP XPLOR fork, about 5 kg lighter than 2016.
SOHC fuel-injected engine, DDS clutch and new frame.
New XC4 449cc engine and chassis.
New frame and SX-style rear bodywork; last RFS years.
RFS engine stretched to 448cc, new subframe, airbox and bodywork.
New frame, lower head and lighter cylinder and cases.
All-new, more compact SOHC engine and new chassis.
New 510cc SOHC fuel-injected engine with DDS clutch, new frame and swingarm; SX-F-style bodywork from 2014.
New XC4 510cc engine and chassis.
New frame; last RFS years.
RFS 510cc with new subframe, airbox and bodywork.
First RFS 510cc SOHC enduro engine.
US off-road wide-ratio version of the XC4 450 EXC.
Added: RFS-engined first year.
Returned as a new off-road model on the 2020 EXC-F frame and engine.
US off-road version of the new 500 EXC.
US off-road version of the XC4 530.