BIKERELIABILITY
MOT DATA · GREAT BRITAIN · 2005–2025
Make report · 2005–2025

MBK

65.8%
first-time pass rate
25.9%
failed outright
16.5k
MOT tests, 2005–2025

What fails a MBK

failure defects across all MBK models · advisories excluded

lighting and signalling is MBK's most common failure — 15.9% of all MBK tests record one.

Component groupShare of defects% of testsWorst offenders
lighting and signalling
15.9 see ranking
steering and suspension
10.6 see ranking
brakes
9.9 see ranking
tyres and wheels
4.3 see ranking
fuel and exhaust
3.9 see ranking

Top failure groups aggregated across every MBK model, 2005–2025. "% of tests" = share of the make's tests recording at least one defect in that group.

MBK models, ranked by test volume

16 models with ≥ 100 normal tests, 2005–2025
Model Pass rate Pass % Fail % Median miles Tests
OVETTO
67.6 23.3 7,225 4,903
NITRO
59.8 32.0 8,810 3,071
MACH G
65.3 26.5 6,659 2,103
BOOSTER
66.5 25.3 7,184 890
SKYLINER
65.9 25.2 12,822 763
YN50 OVETTO
65.4 25.7 7,088 587
ROCKET
66.5 26.5 7,558 543
NITRO (Y050)
53.9 38.6 9,443 536
THUNDER
71.7 23.7 10,660 519
STUNT
65.7 22.6 6,916 429
DOODO
71.7 21.1 9,733 265
KILIBRE
90.0 4.2 8,948 240
X-POWER
51.4 35.0 7,966 214
NG BOOSTER
67.3 26.9 6,355 156
NITRO 100
66.4 23.6 8,004 110
KILIBRE 280
88.3 9.7 10,088 103

Normal tests only. Median miles is odometer reading at test where recorded. Source: DVSA anonymised MOT results, 2005–2025.