KTM pulled the wraps off a new racebike to be used in a new spec racing series in 2014. The RC390 Cup will be used in the 2014 ADAC Junior Cup Powered by KTM, with a production version going to market in 2014.

The RC390 Cup racebike was revealed during the MotoGP round at Germany’s Sachsenring circuit. The Cup racer is powered by a 373cc single-cylinder engine, likely derived from the KTM 390 Duke, with a claimed output of 38 hp. Other features include a tubular steel trellis frame, WP suspension and radial-mount brakes (see full specs below).

Join the KTM 390 Duke Forum

“In principle, the cup machines are 1:1 to the specification of a completely new KTM street bike match that comes into the world trade in 2014,” says Stefan Pierer, chief executive officer of KTM.

“We developed a pure GP racing machine for the Moto3 World Championship. In contrast, the RC 390 Cup is based on a series model project. Both of these two projects were given the highest priority because the development of lower displacement, high quality street bikes are among our core activities. The new KTM RC 390, which will be available for sale in 2014 will meet a big demand for affordable, quality sport bikes for the lower displacement class.”


The ADAC Junior Cup is a youth racing series that runs at Germany’s IDM domestic racing championship and the German Grand Prix. The Cup is currently open for race bikes of any make with an engine displacement of up to 125cc and 35hp. The Junior Cup series has been operating since 1993. The most prominent racer to compete in the ADAC Junior Cup is 2005 125cc World Champion Thomas Luthi.

KTM RC390 Cup Specs

Engine type single cylinder, 4-stroke
Displacement 373.2 cc
Power Cup version approx 38 hp
Fuel System Bosch EFI (throttle valve 46 mm)
Control 4 V / DOHC
Engine Lubrication Wet sump system
Cooling system liquid
Clutch mechanical multi-disc clutch in oil bath
Engine management Bosch EMS
Frame Steel tube frame, powder coated
Front suspension WP-USD Ø 43 mm
Rear suspension WP-Monoshock
Brake system front Four-piston brake caliper, radially symmetric sealed-off rim brake, brake disc Ø 300 mm
Rear brake Single-piston brake caliper, floating caliper brake, brake disc Ø 230 mm
Wheels front / rear Cast aluminum wheels 3.00 x 17 “, 4.00 x 17”
Front / rear tires 110/70 ZR 17, 150/60 ZR 17
Silencers Akrapovic titanium silencer with regulated catalytic converter
Steering head angle 66.5 °
Wheelbase 1340 + / -15 mm
Seat Height 850 mm (33.5 inches)
Fuel tank capacity about 9.5 liters (2.5 gallons)
Weight about 130 kg (286 lb.)

[Source: KTM, ADAC]