USED KTM PARTSKTM / HUSQVARNA / GASGAS

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Racing Four Stroke, 2000–2007

KTM RFS parts

RFS is KTM's Racing Four Stroke engine: the 250, 400, 450, 520 and 525 EXC, MXC, SX, XC and SMR Racing bikes built from 2000 to 2007, plus the 540 SXS and 560 SMR. Everything we have for them is on this page. New to the engine? Read Long live the RFS, the story of the bike and its parts books.

Used RFS parts and bikes for sale

The RFS bikes

Pick a year to open that bike in the OEM parts fitment guide: every section, every part number, and every other bike each part fits.

250 4 models
400 6 models
450 18 models
520 6 models
525 12 models
540 2 models
560 1 model

Spot a bike that should or shouldn't be here? Tell us and we'll fix the list.

RFS manuals