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Reviews/ Ktm/ 450 Exc-f
WATCH REVIEW
8.5/10 Enduro

Ktm 450 Exc-f Review

"An outstanding used buy, but service history is absolutely non-negotiable."

Experienced enduro riders wanting race-ready used machine $5,500-$9,500 used 2019-2023
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Key Specs

speed
Top Speed
~170 km/h (note: estimate; street-legal gearing limits top end, varies by year and sprocket setup)
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Power
~63 hp
@ 9,000 rpm (note: KTM does not officially publish output figures; estimate based on third-party dyno testing of 2020โ€“2024 models)
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Torque
~54 Nm
@ 7,000 rpm (note: estimate based on third-party dyno data; official figures not published by KTM)
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Fuel Economy
16.7 km/L
39 mpg ยท Estimated 6โ€“9 L/100km depending on terrain and riding style (note: estimate, varies significantly off-road vs. road)
build
Service Every
Oil change every 15 hours / Piston/rings every 135 hours
scale
Weight
111 kg
(wet/curb weight, based on 2022โ€“2024 model specs)
settings
Engine
449.9cc single-cylinder, SOHC, 4-valve
height
Seat Height
960 mm
cog
Transmission
6-speed
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Engine Lifespan
Significant maintenance required at 135 hour intervals; typical enduro racing lifespan with proper maintenance
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Used Buyer Review

The 450 EXC-F is the closest thing to a race bike with a license plate, and that's exactly what makes buying one used both exciting and nerve-wracking. These engines are genuinely outstanding โ€” that thumper pulls hard from idle and just keeps building. But here's the thing: find out the service history before you hand over a cent. The valves need checking every 100 hours, and plenty of owners ignore that. A neglected one can cost you serious money fast. Used examples from 2019 onwards are the sweet spot. KTM sorted some of the earlier reliability gremlins by then. Check the suspension linkage bearings โ€” they get neglected constantly โ€” and look for play in the head bearings. The wiring harness connections are another weak point, especially if it's been ridden in the wet regularly. Budget an extra few hundred for a full fluid refresh and bearing check regardless of what the seller claims.

Pros

+Exceptional power-to-weight ratio
+Street legal enduro capable
+Strong aftermarket parts support
+Top-shelf WP suspension
+Surprisingly tractable power delivery

Cons

-Expensive maintenance if neglected
-Harsh on slow trails
-Thirsty for a single
-Bearings wear quickly
warning
Avoid if

Beginners or riders skipping regular maintenance schedules

description View full specs, facts & rivals for Ktm 450 Exc-f โ†’

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