KTM 450 EXC-F (2022) Review: A Purebred Enduro Machine Tested
Introduction
The 2022 KTM 450 EXC-F arrives as a no-compromise enduro weapon, engineered for riders who demand precision, power, and agility in the most unforgiving off-road terrain. As part of KTM’s legendary EXC lineup, this Austrian machine blends race-bred technology with trail-friendly usability. After spending a day wrestling it through rocky trails, forest singletracks, and steep hill climbs, here’s why this bike leaves a lasting impression.
Design & Build: Purposeful Aggression
The 450 EXC-F’s aesthetics scream "race-ready." Clad in KTM’s signature orange, white, and blue livery, it looks every bit the professional off-road tool. The minimalist bodywork hides a central double-cradle frame made of 25CrMo4 steel – a design that prioritizes rigidity for precise handling while keeping weight down to 105.5 kg (232.6 lbs).
Standout features:
- WP XPLOR USD 48mm fork with 300mm (11.8") of travel
- WP Xplor PDS rear shock offering 310mm (12.2") of wheel travel
- 960mm (37.8") seat height – tall but manageable for aggressive terrain
- 355mm (14") ground clearance to glide over obstacles
The cockpit is spartan but functional. Narrow handlebars and a flat seat profile let you shift weight effortlessly during technical sections. Every component feels purpose-built, from the grippy footpegs to the slim fuel tank (9.2L / 2.43 gal capacity).
Engine Performance: Controllable Fury
At the heart lies a 449.9cc liquid-cooled single-cylinder engine, tuned for explosive power delivery without sacrificing tractability. Key specs:
- Bore x Stroke: 95mm x 63.4mm (3.7" x 2.5")
- Fuel System: Keihin electronic fuel injection
- Emission Compliance: Euro IV
On the trail: Throttle response is instantaneous but not jerky. The engine pulls hard from idle, with a meaty midrange that’s perfect for lofting the front wheel over logs. Despite its race DNA, it’s surprisingly manageable in slow, technical sections – a trait enhanced by the DDS multi-disc clutch with Brembo hydraulics.
Fuel consumption averages 3.68L/100km (63.92 mpg), impressive for a 450cc thumper. You’ll appreciate the electric starter (powered by a 2Ah lithium-ion battery) when stalling on uphill switchbacks.
Handling & Suspension: Dance Partner in the Dirt
The 450 EXC-F’s chassis shines when the terrain turns nasty. The 1482mm (58.3") wheelbase and 26.5° rake strike a balance between stability at speed and quick steering.
WP Suspension Breakdown:
- Front: XPLOR USD 48mm forks (SAE 4W oil) – plush over roots, firm enough for hard landings
- Rear: PDS shock absorber – eliminates linkage for reduced weight and snappier rear-end response
Braking is handled by Brembo floating calipers biting on single discs (220mm front/rear). Lever feel is progressive, allowing precise speed modulation on loose descents.
Tire choice matters: The stock 1.60-21 front and 2.15-18 rear excel in soft terrain but may struggle in hard-packed conditions. Consider swapping to a gummy rear tire for rocky trails.
Competition: How It Stacks Up
The 450 EXC-F faces fierce rivals in the enduro segment:
- Honda CRF450X:
- Softer power delivery, lower seat height (940mm/37")
- Heavier at 121kg (267 lbs) – noticeable in tight sections
-
Less adjustable suspension
-
Yamaha WR450F:
- Broad powerband with strong top-end
- 5-speed gearbox vs KTM’s 6-speed
-
Air-oil separated forks require more maintenance
-
Husqvarna FE 450:
- Shares engine with KTM but uses linkage rear suspension
- Slightly plusher seat, higher price tag
KTM’s Edge: Lighter weight, superior suspension adjustability, and a more aggressive power profile for experienced riders.
Maintenance: Keeping the Beast Alive
The 450 EXC-F demands attentive care – a small price for its performance. Key points:
Valve Checks:
- Intake: 0.10-0.15mm (0.004-0.006")
- Exhaust: 0.12-0.17mm (0.005-0.007")
Check every 30 hours for hard off-road use
Fluids & Filters:
- Engine oil (with filter): 1.2L of SAE 10W-50
- Coolant: 1.2L – monitor for air bubbles after crashes
- Air filter: Clean every 2-3 rides (use no-toil filters for easier servicing)
Tire Pressures:
- Front/Rear: 1.0 bar (14.5 psi) for most terrain
- Drop to 0.8 bar (11.6 psi) in extreme mud/sand
Chain Care:
- 520 X-Ring chain requires regular cleaning
- Adjust slack to 55-65mm (2.2-2.6")
MOTOPARTS.store Recommendations:
- Upgrade to a high-capacity skid plate for rocky terrain
- Install braided steel brake lines for improved feel
- Use biodegradable air filter oil for eco-friendly cleaning
Conclusion: The Off-Road Specialist’s Choice
The 2022 KTM 450 EXC-F isn’t for casual trail riders – it’s a razor-sharp tool for those who live to conquer technical terrain. While its tall seat and aggressive power delivery demand skill, few bikes match its combination of lightweight agility and brutal acceleration.
For owners looking to enhance reliability or personalize their ride, MOTOPARTS.store offers everything from performance exhausts to heavy-duty chains. Whether you’re prepping for a enduro race or just want the best parts for weekend adventures, we’ve got your back – no matter how muddy it gets.
Specifications sheet
| Engine | |
|---|---|
| Stroke: | Four-stroke |
| Fuel system: | Fuel Injection |
| Displacement: | 450 ccm |
| Fuel control: | Single Overhead Cams (SOHC) |
| Bore x stroke: | 95.0 x 63.4 mm (3.7 x 2.5 in) |
| Configuration: | Single |
| Cooling system: | Liquid |
| Emission details: | Euro IV |
| Compression ratio: | N/A |
| Number of cylinders: | 1 |
| Dimensions | |
|---|---|
| Wheelbase: | 1482 mm (58.3 in) |
| Dry weight: | 106 |
| Seat height: | 960 mm (37.8 in) |
| Ground clearance: | 355 mm (14.0 in) |
| Fuel tank capacity: | 9.2 L (2.43 US gal) |
| Drivetrain | |
|---|---|
| Clutch: | Wet, DDS multi-disc clutch, Brembo hydraulics |
| Chain type: | 520 X-Ring 5/8 x 1/4´ |
| Final drive: | chain |
| Transmission: | 6-speed |
| Maintainance | |
|---|---|
| Engine oil: | 10W50 |
| Idle speed: | 1850 ±50 rpm |
| Brake fluid: | DOT 4 |
| Spark plugs: | NGK LZMAR8BI-10 |
| Spark plug gap: | 1.0 |
| Coolant capacity: | 1.2 |
| Engine oil capacity: | 1.2 |
| Valve clearance (intake, cold): | 0.10–0.15 mm |
| Valve clearance (exhaust, cold): | 0.12–0.17 mm |
| Recommended tire pressure (rear): | 1.0 bar (14.5 psi) |
| Recommended tire pressure (front): | 1.0 bar (14.5 psi) |
| Additional Features | |
|---|---|
| Battery: | 2 Ah lithium-ion |
| Starter: | Electric |
| Color options: | Orange/white/blue |
| Fuel consumption: | 3.68 L/100 km (63.92 mpg) |
| Chassis and Suspension | |
|---|---|
| Frame: | Central double-cradle-type 25CrMo4 steel |
| Rear tire: | 2.15-18 |
| Front tire: | 1.60-21 |
| Rear brakes: | Single 220 mm disc, floating caliper |
| Front brakes: | Single 220 mm disc, floating caliper |
| Rear suspension: | WP Xplor PDS shock absorber, 310 mm (12.2 in) travel |
| Front suspension: | WP XPLOR-USD, 48 mm, 300 mm (11.8 in) travel |
| Rake (fork angle): | 26.5° |
