BIKERELIABILITY
MOT DATA · GREAT BRITAIN · 2005–2025
League table/ KTM/390 ADVENTURE 21
Model report · 2005–2025

KTM 390 ADVENTURE 21

373cc Petrol Class 2
93.2%
first-time pass rate
3.9%
failed outright
5,009
median miles at test
281
MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2024–2025

The 390 ADVENTURE 21's first-time pass rate has risen 3.4 points since 2024, 91.0% to 94.4%.

90%93%95%2024: 91.0% pass (100 tests)2025: 94.4% pass (179 tests)20242025

What fails on a 390 ADVENTURE 21

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects
brakes
5 31.2
lamps and reflectors
4 25
audible warning (Horn)
2 12.5
structure and attachments
2 12.5
tyres
2 12.5
steering
1 6.2

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 390 ADVENTURE 21 beats 1 of its 1 closest rivals (ROYAL ENFIELD HIMALAYAN).

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 390 ADVENTURE 21.

Pass rate by registration year

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

Best year to buy used: 2022 (94.7% pass). Weakest: 2021 (92.7%).

92%94%96%2021: 92.7% pass (206 tests)2022: 94.7% pass (75 tests)20212022

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.