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KTM's road-legal 450cc four-stroke enduro, for enduro racers and experienced trail riders who want open-class power.
All-new chassis, suspension and bodywork.
New frame for the EXC-F range (confirmed for the 350 and 500 only).
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.
KTM international page; weight is 'weight without fuel'. Not in the US range, so no US MSRP.
No photos yet.