BIKERELIABILITY
MOT DATA · GREAT BRITAIN · 2005–2025
League table/ YAMAHA/MWS125-A TRICITY 125
Model report · 2005–2025

YAMAHA MWS125-A TRICITY 125

125cc Petrol Class 1
83.1%
first-time pass rate
12.3%
failed outright
12,008
median miles at test
1,458
MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2020–2025

The MWS125-A TRICITY 125's first-time pass rate has fallen 1.7 points since 2020, 83.8% to 82.1%.

79%83%88%2020: 83.8% pass (68 tests)2021: 82.4% pass (188 tests)2022: 86.3% pass (299 tests)2023: 83.6% pass (377 tests)2024: 80.2% pass (253 tests)2025: 82.1% pass (273 tests)20202025

Pass rate by mileage

how the MWS125-A TRICITY 125's first-time pass rate falls with the odometer · class average 73.4%

A low-mileage MWS125-A TRICITY 125 passes first time 89.0% of the time; by 50k that's 77.4%.

72%82%92%0k: 89.0% pass (620 tests)10k: 81.1% pass (417 tests)20k: 76.1% pass (176 tests)30k: 75.9% pass (108 tests)40k: 75.0% pass (64 tests)50k: 77.4% pass (31 tests)0k30k50k

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 MWS125-A TRICITY 125

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects vs all bikes
brakes
161 41.4 1.6×
tyres
89 22.9 6.7×
lamps and reflectors
66 17 2.2×
suspension
32 8.2 2.0×
steering
29 7.5 3.3×
structure and attachments
6 1.5 0.6×
audible warning (Horn)
3 0.8 1.1×
Other
2 0.5
Identification of the vehicle
1 0.3 0.3×

Defects recorded against failed normal tests, 2005–2025, grouped by DVSA inspection section. One test can record multiple defects. "vs all bikes" is how often this model's tests record a defect in the group, as a multiple of the all-bike rate.

How rivals compare

same type, similar capacity, high test volume

On first-time pass rate the MWS125-A TRICITY 125 beats 4 of its 4 closest rivals (YAMAHA YBR 125, HONDA CG125, HONDA CBF125).

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 MWS125-A TRICITY 125.

Pass rate by registration year

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

Best year to buy used: 2018 (86.2% pass). Weakest: 2017 (78.3%).

77%82%88%2017: 78.3% pass (323 tests)2018: 86.2% pass (463 tests)2019: 83.7% pass (412 tests)2020: 82.9% pass (258 tests)201720192020

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.

YAMAHA MWS125-A TRICITY 125 FAQ

answers computed from the data above · terms in the glossary

Is the YAMAHA MWS125-A TRICITY 125 reliable?

The YAMAHA MWS125-A TRICITY 125 is more reliable than average for its class: 83.1% of its 1,458 MOT tests (2005–2025) passed first time, against a class average of 73.4%. That ranks it #2940 of 5426 models.

What does a MWS125-A TRICITY 125 fail its MOT on most?

brakes — 41% of all defects recorded against failed MWS125-A TRICITY 125 tests.

What is the best year of MWS125-A TRICITY 125 to buy used?

By first-time pass rate, 2018-registered examples do best (86.2%) and 2017 worst (78.3%). Condition and history still trump the year.

How many miles will a MWS125-A TRICITY 125 last?

The median MWS125-A TRICITY 125 shows 12,008 miles at test, and examples around 50k miles still pass 77.4% of the time — mileage alone rarely kills one.