KTM 350 EXC-F (MY2015) — Enduro
KTM Press

2015–2016 · Enduro · Buyer's Guide

350 EXC-F (MY2015)

4.5 / 5 NastyNils Rating · against its class

250 Soul, 450 Grunt

The Machine's Character

The 350 EXC-F sits in the sweet spot of the enduro range. A 350 cc liquid-cooled single making 46 hp and 24 lb-ft, six speeds, wrapped in a chassis that carries itself like something smaller. That combination is the entire point of the bike. You get genuine drive up a rutted climb without the flywheel-free snap of a pure motocross motor, and the power builds in a line instead of a spike. Steel frame, upside-down fork, adjustable front and rear straight from the factory. This is a race-bred enduro machine with a plate on the back, not a softened trail toy.

It rewards a rider who commits, and it holds up because there is so little on it to break. No ABS, no traction control, no ride modes, no screen to go dark on you three hours from the truck. What wears out is what you would expect to wear out on a bike that gets crashed, and the parts to fix it are everywhere. The honest caveats are physical and specific: a 38.2 in (970 mm) seat that rules out plenty of riders, a 2.4 gal (9 L) tank that dictates your day, and two known trouble spots worth checking before you buy.

Hard Numbers

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

Show full specs & equipment Hide specs & equipment
Key specifications
Power 46 hp (34 kW)
Torque 24 lb-ft (33 Nm)
Displacement 350 cc
Engine Single-cylinder
Cooling Liquid-cooled
Gearbox 6-speed
Fork Upside-down (USD)
Front brake 260 mm
Front tire 90/90-21
Rear tire 140/80-18
Ground clearance 13.6 in (345 mm)
Front travel 11.8 in (300 mm)
Rear travel 13.2 in (335 mm)
Seat height 38.2 in (970 mm)
Fuel capacity 2.4 gal (9 L)

Equipment check

Chassis

  • Front Suspension Adjustable Standard
  • Rear Suspension Adjustable Standard
Aerial drone view of Palomar Divide Road winding through chaparral-covered mountain ridges in San Diego County. Multiple S-curve sections descend through sparse vegetation with distant valley views visible in the haze. Gravel and packed-earth surface.

The Truth on the Trail

This is what Nils hears out in the world rather than from a test bike: paddock conversations, parking lot talk after a ride, club nights, and the messages owners send him once they have a couple of seasons on the clock. The pattern is steady. Riders trust this one, and the recurring gripes sit with setup and maintenance discipline.

Where The Trust Comes From

On tight, technical ground riders describe steering that goes where they point it, and that comes up as often as anything else. Just as common is the mileage talk: owners running big hours on routine oil changes, with the bottom end holding up as long as the air filter gets attention. Several also mention a motor that pulls cleanly from low revs in slippery going and still revs out on faster sections.

Soft Forks And Dirty Air

The fork draws the most consistent criticism. Riders pushing at race pace, and heavier riders, say it runs short of compression damping over fast hits and needs re-valving or aftermarket internals to keep up. Dust is the other repeated theme: let the filter seal slip and owners report compression loss and hard starting. A few mention stalling on hard enduro obstacles unless the clutch is worked carefully.

Known issues

  • Fuel pump cracking

    fuel system occasional

    Some owners have experienced cracking of the in-tank fuel pump assembly, leading to fuel leaks and stalling. This was often covered under warranty.

  • Electrical gremlins causing intermittent shutdowns

    electrics rare

    Isolated reports of electrical issues, including sudden engine cut-outs over jumps or bumps, possibly linked to wiring or fuel line connector problems.

The Expert Benchmark

Where this KTM 350 EXC-F 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

Head-to-head: KTM 350 EXC-F vs. its rivals

The 'Should I Buy It?' Score

Forget spec-sheet bragging. Here's who the 350 EXC-F is actually built for.

Factory Butte in Utah's high desert badlands, captured in daylight under clear blue sky. The formation's distinctive multi-colored strata and steep erosional gullies dominate the frame. Arid terrain with minimal vegetation stretches across the foreground and background. Typical American Southwest landscape.
NastyNils / Nastynils.com

Best motorcycle for Moab?

Slickrock, sand, and rocky step-ups are exactly what this bike was made for, and it will out-ride you long before you out-ride it. Plan your fuel, though. 2.4 gal doesn't cover a big desert day.

Made for Bar M / Kane Creek · Imperial Sand Dunes · Johnson Valley OHV Area

Best motocross bike for Loretta Lynns?

It'll happily run moto days and training laps, and it's plated so you can ride it to the gate. Just know the tuning is aimed at traction and survival in the woods, not at winning a start.

Made for Carnegie State Vehicular Recreation Area · Fox Raceway at Pala · Glen Helen Raceway

Best motorcycle for BDR routes?

For hard day rides off the main line it's superb. For multi-day route logistics it isn't: 2.4 gal of fuel, no luggage system, and a 38.2 in seat make big mileage genuine work.

Made for AZBDR — Arizona Backcountry Discovery Route · California BDR South · COBDR — Colorado Backcountry Discovery Route

What's new versus the previous generation

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

KTM 350 EXC-F (MY2012)

Previous generation · 2011–2014

KTM 350 EXC-F (MY2012)

One Engine, Zero Compromises

Compare to the previous model →

Alternatives to the KTM 350 EXC-F

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

Any price note compares both bikes at the same age — the youngest age both have on the used market — against this KTM 350 EXC-F. “cheaper/pricier” is what that bike costs second-hand, not how worn it is.