2027 KTM SX-F Lineup First Look: 450, 350, and 250 Return

Don Williams
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2027 KTM SX-F Lineup First Look: 450, 350, and 250 Return
2027 KTM 450 SX-F.

The 2027 KTM lineup for 4-stroke motocrossers is here, and it’s largely unchanged this year. You will be selecting between the 450 SX-F, 350 SX-F, and 250 SX-F. The 450 remains a SOHC design, while the 350 and 250 have DOHC valvetrains.

2027 KTM SX-F Lineup: 350
2027 KTM 350 SX-F.

The obvious visual change is the new graphics, which are now embedded in the plastic and have a touch of red.

2027 KTM SX-F Lineup: 250
2027 KTM 250 SX-F.

There has been some fine-tuning of the motor, though KTM will only describe them as “specific updates to increase rideability while meeting the latest FIM and AMA sound regulations.”

2027 KTM SX-F Lineup: 450
2027 KTM 450 SX-F.

There is a litany of premium parts on the 2027 KTM SX-F lineup, including WP Xact suspension, a Pankl transmission, Dunlop Geomax MX34 tires on Excel rims, Brembo hydraulics, Keihin electronics, and a Neken handlebar with ODI lock-on grips.

Although prices for the 2027 KTM SX-F lineup are not yet set, look for the bikes to start arriving at KTM dealers in late Spring.

2027 KTM 450 SX-F (350 SX-F and 250 SX-F) Specifications 

ENGINE

  • Type: Single cylinder four-stroke
  • Displacement: 450cc (350: 350cc; 250: 250cc)
  • Bore x stroke: 94 x 63.4mm (350: 88 x 57.5mm; 250: 81 x 48.5mm)
  • Compression ratio: 13.1:1 (350: 14.6:1; 250: 14.5:1)
  • Valvetrain: SOHC; 4 valves (350 and 250: DOHC; 4 valves)
  • Fueling: Keihin EFI w/ 44mm throttle body
  • Ignition: Keihin EMS
  • Starting: Electric
  • Lubrication: Pressurized w/ two pumps
  • Transmission: Pankl 5-speed w/ up-only quickshifter
  • Clutch: Wet multidisc DDS w/ Brembo hydraulics
  • Final drive: 520 chain 

CHASSIS

  • Frame: Central double-cradle chromoly
  • Subframe: Aluminum-reinforced polyamide
  • Handlebar: Neken tapered aluminum w/ ODI grips
  • Front suspension; travel: Fully adjustable WP Xact AER inverted 48mm fork; 12.2 inches
  • Rear suspension; travel: Linkage-assisted, fully adjustable WP Xact shock; 11.8 inches
  • Wheels: Excel
  • Front wheel: 1.60 x 21
  • Rear wheel: 2.15 x 19
  • Tires: Dunlop Geomax MX34
  • Front tire: 80/100-21
  • Rear tire: 120/80-19 (350 and 250: 110/90-19)
  • Front brake: 260mm disc w/ Brembo hydraulics
  • Rear brake: 220mm disc w/ Brembo hydraulics 

DIMENSIONS and CAPACITIES

  • Wheelbase: 58.7 inches
  • Rake: 26.1 degrees
  • Triple clamp offset: 22mm
  • Seat height: 37.7 inches
  • Ground clearance: 13.5 inches
  • Fuel capacity: 1.9 gallons
  • Wet weight: 238 pounds (350: 236 pounds; 250: 234 pounds) 

2027 KTM 450 SX-F Price: $TBA  MSRP
2027 KTM 350 SX-F Price: $TBA
2027 KTM 250 SX-F Price: $TBA

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