Beginning of 2005 was the first model to be delivered F-Kart 100 (6kw = 8,1PS, 2-stroke) factory street legal and COC. Many car dealers tried their hand at the new Funkart but failed due to the deficiencies which hitherto occurred in the unsprung vehicle:. Setting breaks, engine damage, torn seat seams and many other small details were reported in the first models of the F-Kart 100 The F- Kart has been improved over the years: Since 2009 the successor, the F-Kart 170 is available, a kart street legal  with 13.6 horsepower (10KW) strong 4-stroke engine. The frame is now the factory (as well as the 2.te series of F-Kart 100) with gusset plates reinforced and many details improved.