BIKERELIABILITY
MOT DATA · GREAT BRITAIN · 2005–2025
Model report · 2005–2025
84.5%
first-time pass rate
9.5%
failed outright
613
median miles at test
349
MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2013–2017

The 150's first-time pass rate has fallen 2.3 points since 2013, 90.9% to 88.6%.

83%88%93%2013: 90.9% pass (33 tests)2015: 84.4% pass (32 tests)2017: 88.6% pass (35 tests)20132017

What fails on a 150

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects
lighting and signalling
32 42.1
brakes
22 28.9
steering and suspension
10 13.2
tyres and wheels
5 6.6
Items Not Tested
2 2.6
reg plates and vin
2 2.6
suspension
1 1.3
fuel and exhaust
1 1.3
wheels
1 1.3

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 150 beats 4 of its 4 closest rivals (PIAGGIO VESPA, HONDA PCX 125, HONDA Vision 110).

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 150.

Pass rate by registration year

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

Best year to buy used: 1965 (87.0% pass). Weakest: 1961 (86.0%).

85%87%88%1961: 86.0% pass (50 tests)1965: 87.0% pass (54 tests)19611965

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.