The 400NK is essentially a sleeved-down version of the 650NK naked bike, sharing the same chassis and running gear, while its 400cc, liquid-cooled, fuel-injected, parallel-twin engine produces a claimed 42.8hp (31.5kW) and 35.4Nm.
The 400NK is available in two models: the base model for $5490 ride away and an ABS version for $5990 ride away.
Meanwhile the 650NK returns with revised styling and more power in the one LAMS-approved format.
The 649.3cc liquid-cooled, fuel-injected, parallel-twin engine produces a claimed 56.4hp (41.5kW) and 62Nm, with its power fed to the rear wheel via a six-speed transmission. ABS is available as standard in a package that retails for $6990 ride away.
Both models benefit from the styling influence of Austrian design house Kiska, which has styled KTM's models since the early 1990s.
CFMoto Australia says it's also giving away a free CFMoto rider jacket valued at $249 with every 400NK or 650NK purchased, along with a free CFMoto NK motorcycle cover if either model is purchased before September 30.