2026 · KTM Lightweight sportbike
2026 KTM RC 390
Year-specific spec sheet for the 2026 KTM RC 390 — $5,899 MSRP, 1 trim, 2 colors.
2026 spec sheet
2026 KTM RC 390
$5,899 MSRP · Base
KTM Orange
Atlantic Blue
- Engine
- 373cc liquid-cooled DOHC single-cylinder
- Bore Stroke
- 89.0 x 60.0 mm
- Compression
- 12.6:1
- Fuel System
- Bosch electronic fuel injection with ride-by-wire
- Transmission
- 6-speed with PASC slipper clutch and optional quickshifter
- Final Drive
- Chain
- Front Suspension
- 43 mm WP APEX inverted fork, fully adjustable
- Rear Suspension
- WP APEX single shock, adjustable preload
- Front Brakes
- 320 mm disc with 4-piston ByBre radial caliper and ABS
- Rear Brakes
- 230 mm disc with ABS
- Tires
- 110/70R17 front, 150/60R17 rear
- Wheelbase
- 53.4 in
- Seat Height
- 32.7 in
- Curb Weight
- 342 lb
- Fuel Capacity
- 3.6 gal
Electronics package
Source: KTM RC 390
Other years