BIKERELIABILITY
MOT DATA · GREAT BRITAIN · 2005–2025
League table/ BSA/BANTAM 175
Model report · 2005–2025

BSA BANTAM 175

175cc Petrol Class 1
91.3%
first-time pass rate
4.6%
failed outright
16,320
median miles at test
173
MOT tests, 2005–2025

Pass rate by mileage

how the BANTAM 175's first-time pass rate falls with the odometer · class average 73.4%

A low-mileage BANTAM 175 passes first time 89.6% of the time; by 20k that's 92.9%.

89%91%94%0k: 89.6% pass (48 tests)10k: 91.5% pass (59 tests)20k: 92.9% pass (42 tests)0k10k20k

First-time pass rate by odometer reading at test, 10,000-mile bands for this model. Mileage is the strongest reliability signal. See the full curve.

What fails on a BANTAM 175

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects
steering and suspension
6 26.1
brakes
5 21.7
tyres and wheels
4 17.4
lighting and signalling
3 13
body and structure
2 8.7
fuel and exhaust
1 4.3
driving controls
1 4.3
drive system
1 4.3

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 BANTAM 175 beats 1 of its 1 closest rivals (BSA BANTAM).

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 BANTAM 175.