LEXMOTO DIABLO 50 LJ 50 QT-9M

49cc Petrol Class 1

#3975 of 5426 overall #2 of 77 LEXMOTOs #101 of 455 moped bikes

77.5%

first-time pass rate

17.7%

failed outright

5,302

median miles at test

395

MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2023–2025

The DIABLO 50 LJ 50 QT-9M's first-time pass rate has fallen 2.7 points since 2023, 78.9% to 76.2%.

What fails on a DIABLO 50 LJ 50 QT-9M

failure defects by component group · advisories excluded

Component group	Defects	% of defects
lamps and reflectors	55	32.9
suspension	29	17.4
tyres	24	14.4
brakes	21	12.6
structure and attachments	16	9.6
steering	14	8.4
wheels	3	1.8
Identification of the vehicle	3	1.8
audible warning (Horn)	2	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 DIABLO 50 LJ 50 QT-9M beats 4 of its 4 closest rivals (PEUGEOT SPEEDFIGHT, PIAGGIO ZIP, PIAGGIO NRG).

PEUGEOT SPEEDFIGHT 65.2% pass · 83.7k tests PIAGGIO ZIP 71.3% pass · 79.0k tests PIAGGIO NRG 65.5% pass · 40.5k tests PEUGEOT VIVACITY 70.4% pass · 29.7k 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 DIABLO 50 LJ 50 QT-9M.

Pass rate by registration year

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

Best year to buy used: 2020 (77.7% pass). Weakest: 2019 (71.7%).

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.