KTM RC 390 18

373cc Petrol Class 2

87.7%

first-time pass rate

6.8%

failed outright

3,776

median miles at test

162

MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2022–2025

The RC 390 18's first-time pass rate has held steady since 2022 (88.1% → 87.1%).

What fails on a RC 390 18

failure defects by component group · advisories excluded

Component group	Defects	% of defects
brakes	8	38.1
lamps and reflectors	5	23.8
structure and attachments	4	19
tyres	2	9.5
Identification of the vehicle	1	4.8
steering	1	4.8

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 RC 390 18 beats 4 of its 4 closest rivals (SUZUKI AN400, SUZUKI DR-Z400S, YAMAHA RD350).

SUZUKI AN400 86.2% pass · 27.1k tests SUZUKI DR-Z400S 80.4% pass · 26.8k tests YAMAHA RD350 86.3% pass · 19.6k tests KAWASAKI ZXR400 73.1% pass · 14.2k tests

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 RC 390 18.

Pass rate by registration year

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

Best year to buy used: 2018 (86.8% pass). Weakest: 2019 (86.7%).

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.