BIKERELIABILITY
MOT DATA · GREAT BRITAIN · 2005–2025
League table/ SYM/SYMNH T 125
Model report · 2005–2025
74.2%
first-time pass rate
18.7%
failed outright
5,490
median miles at test
283
MOT tests, 2005–2025

Pass rate over time

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

The SYMNH T 125's first-time pass rate has held steady since 2023 (76.9% → 76.1%).

68%73%79%2023: 76.9% pass (78 tests)2024: 69.6% pass (92 tests)2025: 76.1% pass (92 tests)20232025

What fails on a SYMNH T 125

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects
brakes
57 32.8
suspension
43 24.7
structure and attachments
34 19.5
lamps and reflectors
21 12.1
steering
10 5.7
tyres
5 2.9
audible warning (Horn)
3 1.7
Identification of the vehicle
1 0.6

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 SYMNH T 125 beats 0 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 SYMNH T 125.

Pass rate by registration year

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

Best year to buy used: 2021 (76.3% pass). Weakest: 2020 (73.0%).

72%75%77%2019: 75.5% pass (53 tests)2020: 73.0% pass (148 tests)2021: 76.3% pass (80 tests)201920202021

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.