22 June. Monday 2026
450 EXC F Six Days - 2025 Specifications and Reviews
The 2025 KTM 450 EXC-F Six Days is a premium enduro machine designed for experienced off-road riders tackling extreme terrain and multi-day competitions. Its 450cc liquid-cooled four-stroke delivers potent power with precise Keihin fuel injection, while the competition-focused chassis and components provide reliability and control in demanding conditions. Best known for dominating six-day events and challenging backcountry riding.
2025
General information | |
| Color Options | Orange/White/Black |
| Category | Enduro / offroad |
| Model | KTM 450 EXC-F Six Days |
Engine and Transmission Specifications | |
| Starting | Electric |
| Clutch | Wet, DDS multi-disc clutch, Brembo hydraulics |
| Final Drive | Chain (final drive) |
| Gearbox | 6-speed |
| Cooling System | Liquid |
| Ignition | Keihin EMS |
| Fuel Control | Single Overhead Cams (SOHC) |
| Induction | Injection. Keihin EFI, throttle body 42 mm |
| Bore x Stroke | 95.0 x 63.4 mm (3.7 x 2.5 inches) |
| Compression Ratio | 12.7:1 |
| Capacity | 449.9 ccm (27.45 cubic inches) |
Physical measures and capacities | |
| Fuel Capacity | 8.50 litres (2.25 US gallons) |
| Wheelbase | 1489 mm (58.6 inches) |
| Ground Clearance | 347 mm (13.7 inches) |
| Seat Height | 963 mm (37.9 inches) If adjustable, lowest setting. |
| Dry Weight | 107.7 kg (237.4 pounds) |
| | |
450 EXC F Six Days dimensions and frame | |
| Rear Brakes | Single disc. Brembo with single pistons |
| Brake Disc Diameter | 220 mm (8.7 inches) |
| Front Brakes | Double disc |
| Rear Tyre | 140/80-18 |
| Front Tyre | 90/90-21 |
| Rear Wheel Travel | 310 mm (12.2 inches) |
| Rear Suspension | WP XPLOR shock absorber with PDS |
| Front Wheel Travel | 300 mm (11.8 inches) |
| Front Suspension | WP XACT Closed Cartridge Ø 48 mm |
| Frame | Central double-cradle-type 25CrMo4 steel. Aluminum-reinforced polyamide subframe. |
| | |
Other specs | |
| Related bikes | List related bikes for comparison of specs. |
| Ask questions | Join the 25 KTM 450 EXC-F Six Days discussion group or the general KTM discussion group. |
| Maintenance | Find parts, fluids. filters, maintenance tools and service manuals at Amazon.com. |
| Insurance costs | Compare US insurance quotes from the nation's top providers. |
| Fork tube size | 48 mm (1.9 inches) |
| Tire pressure rear | 15 PSI (1 Bar or 100 kPa) |
| Tire pressure front | 15 PSI (1 Bar or 100 kPa) |
| Chain links | 118 |
| Chain size | 520 |
| Idle speed | 1850 +/- 50 RPM |
| Spark plugs | NGK LZMAR8BI-10 |
| Coolant | 1.00 litres (0.26 US gallons) |
| Brake fluid | DOT 4 |
| Engine oil | SAE 15W-50 |
| Update specs | Report missing specs or required updates. |
| Comments | Map select switch. Traction control. Quick shifter. |
| Electrical | 2 Ah lithium-ion battery |
| Rake (fork angle) | 26.1° |
| Exhaust system | Aluminum |
| Driveline | 520 X-ring chain |
| Engine type | Single cylinder, four-stroke |
| Year | 2025 |
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