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KTM RC 8C (MY2025) — Supersport
KTM press archive

2025 · Supersport · Buyer's Guide

RC 8C (MY2025)

5 / 5 NastyNils Rating · against its class

Track-Only Feedback at Its Limit

The Machine's Character

The RC 8C is not a street bike with the lights taken off. It is a limited-run race machine that arrives safety-wired, with a data logger already fitted and no road-going concessions anywhere in the package. The 889 cc parallel twin makes 135 hp at 11,000 rpm and 72 lb-ft at 8,250 rpm, hung in a light tubular chassis with fully adjustable suspension front and rear and a six-speed box with a quickshifter both ways. Traction control, ride modes and wheelie control cover the electronics. Everything on this bike exists to serve a lap. Nothing on it exists to make a Tuesday easier.

Ridden hard, it does what the sharpest orange machinery always does: it plants you over the front wheel and feeds you grip information constantly, and it rewards a committed line instead of a wide, safe one. Lean clearance runs out long after most riders do. Ownership, though, is race ownership. You need a van or a trailer, a place to store it, and a trackday calendar that justifies the whole exercise, because there is no plate and nothing about this motorcycle wants to be ridden to work. If your riding life happens on public roads, this is the wrong bike, however badly you want it.

Hard Numbers

Spec sheets don't ride bikes, but they set the baseline.

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Key specifications
Power 135 hp (99 kW) @ 11,000 rpm
Torque 72 lb-ft (98 Nm) @ 8,250 rpm
Displacement 889 cc
Engine Parallel twin
Cooling Liquid-cooled
Gearbox 6-speed
Fork Upside-down (USD)
Front tire 120/70-17
Rear tire 180/60-17
Seat height 32.3 in (820 mm)
Fuel capacity 4.2 gal (16 L)

Equipment check

Chassis

  • Front Suspension Adjustable Standard
  • Rear Suspension Adjustable Standard

Connectivity

  • TFT Display Standard

Drivetrain

  • Quickshifter Standard
  • Slipper Clutch Standard

Safety

  • Traction Control Standard
  • Ride Modes Standard
  • Wheelie Control Standard
A winding two-lane asphalt road in the Appalachian mountains, photographed in dry daylight. Yellow double-center line markings guide through a series of tight left-hand curves. Dense deciduous and evergreen forest flanks both sides; a rock cut is visible on the right. The road surface and geometry suggest a technical, high-traffic riding corridor popular with motorcyclists.
Chris Flaten / Pexels

The Expert Benchmark

Where this KTM RC 8C pulls ahead of — or falls behind — its rivals on the numbers, and the typical bike in its class on character.

What kind of bike this is — character vs. the class

This bike Class average

The shape of the KTM RC 8C — numbers and character vs. the average Supersport

Head-to-head: KTM RC 8C vs. its rivals

The Handshake Score

Forget spec-sheet bragging. Here's who the RC 8C is actually built for.

A scenic view of Angeles Crest Highway winding through rugged Southern California canyon terrain. Rocky mountainsides with golden earth tones frame the asphalt road with tight sweeping curves. Double yellow center line visible, sparse vegetation along the shoulders, clear blue sky with white clouds. Daylight, dry conditions. Iconic location for canyon-road enthusiasts.
Josh Sorenson / Pexels

Best motorcycle for Laguna Seca?

This is your bike, straight out of the crate. Data logger fitted, suspension you can actually tune session by session, and a chassis that keeps giving you feedback lap after lap.

Made for Barber Motorsports Park · WeatherTech Raceway Laguna Seca · Circuit of the Americas

Best motorcycle for Angeles Crest?

Not for Angeles Crest. There is no plate and no ABS, so this only makes sense if your weekends are moving from the canyons to the circuit.

Made for Angeles Crest Highway · Coronado Trail / US 191 · Highway 1 / Big Sur

Best motorcycle for Tail of the Dragon?

It would teach you plenty about apex precision, but you cannot ride it to the Dragon or anywhere near it. Buy this only if you are ready to trailer to trackdays instead.

Made for Back of the Dragon · Blue Ridge Parkway · Cherohala Skyway

What's new versus the previous generation

If you're cross-shopping the older generation, here's what changed.

KTM RC 8C (MY2022)

Previous generation · 2022

KTM RC 8C (MY2022)

Hand-Built Track Tool

Compare to the previous model →

Alternatives to the KTM RC 8C

If this one isn't quite the fit, these are the bikes worth riding back-to-back against it.