BIKERELIABILITY
MOT DATA · GREAT BRITAIN · 2005–2025
League table/ KTM/450 EXC-F SIX DAYS 17
Model report · 2005–2025

KTM 450 EXC-F SIX DAYS 17

450cc Petrol Class 2
#2768 of 5426 overall #104 of 230 KTMs #1747 of 2787 other bikes
83.9%
first-time pass rate
7.7%
failed outright
2,670
median miles at test
261
MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2020–2025

The 450 EXC-F SIX DAYS 17's first-time pass rate has fallen 12.7 points since 2020, 91.1% to 78.4%.

73%84%95%2020: 91.1% pass (45 tests)2021: 84.8% pass (46 tests)2022: 76.7% pass (43 tests)2023: 85.0% pass (40 tests)2025: 78.4% pass (37 tests)20202025

What fails on a 450 EXC-F SIX DAYS 17

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects
lamps and reflectors
20 39.2
suspension
10 19.6
Identification of the vehicle
8 15.7
audible warning (Horn)
5 9.8
tyres
4 7.8
structure and attachments
3 5.9
steering
1 2

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 SIX DAYS 17 beats 3 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 SIX DAYS 17.

Pass rate by registration year

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

Best year to buy used: 2016 (85.7% pass). Weakest: 2017 (79.7%).

79%83%87%2016: 85.7% pass (182 tests)2017: 79.7% pass (79 tests)20162017

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.