KTM Lightweight sportbike
RC 390 specs
Current and prior-year spec data for the KTM RC 390, including trims, colors, chassis numbers, electronics, and source links.
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Year: 2026
Model note
KTM RC 390
KTM's 373cc single-cylinder track-day weapon — aggressive supersport ergonomics, Ready-to-Race styling, MotoGP-inspired aero.
Model-year table
Side-by-side specs
Specs are normalized into shared fields so different brands can be compared without losing the source trail.
2026
KTM RC 390
Base
$5,899 MSRP
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
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