BIKERELIABILITY
MOT DATA · GREAT BRITAIN · 2005–2025
League table/ KTM/450 EXC-F 18
Model report · 2005–2025

KTM 450 EXC-F 18

450cc Petrol Class 2
#3318 of 5426 overall #138 of 230 KTMs #2114 of 2787 other bikes
81.3%
first-time pass rate
10.3%
failed outright
2,272
median miles at test
224
MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2021–2025

The 450 EXC-F 18's first-time pass rate has risen 12.7 points since 2021, 75.9% to 88.6%.

73%82%92%2021: 75.9% pass (54 tests)2022: 78.8% pass (52 tests)2023: 82.2% pass (45 tests)2024: 84.4% pass (32 tests)2025: 88.6% pass (35 tests)20212025

What fails on a 450 EXC-F 18

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects
lamps and reflectors
30 45.5
structure and attachments
10 15.2
suspension
9 13.6
Identification of the vehicle
8 12.1
brakes
6 9.1
audible warning (Horn)
2 3
tyres
1 1.5

Defects recorded against failed normal tests, 2005–2025, grouped by DVSA inspection section. One test can record multiple defects.

How rivals compare

same type, similar capacity, high test volume

On first-time pass rate the 450 EXC-F 18 beats 2 of its 4 closest rivals (KAWASAKI ER5, YAMAHA XV535, SUZUKI GS500).

Rivals share this bike's type and sit within ±30% of its engine capacity, ≥ 5,000 tests. Card colour = better/worse first-time pass rate than the 450 EXC-F 18.

Pass rate by registration year

how each model-year cohort fares · registration year from first use date

Best year to buy used: 2018 (79.8% pass). Weakest: 2018 (79.8%).

First-time pass rate by the year each bike was first registered (cohorts with ≥ 50 tests). Older cohorts are survivors: the worst examples have already left the road, which tends to lift the earliest years.