PIAGGIO B125

124cc Petrol Class 1

#3881 of 5426 overall #85 of 136 PIAGGIOs #226 of 412 scooter bikes

78.2%

first-time pass rate

16.1%

failed outright

10,543

median miles at test

5,049

MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2005–2023

The B125's first-time pass rate has fallen 10.2 points since 2005, 84.7% to 74.5%.

Pass rate by mileage

how the B125's first-time pass rate falls with the odometer · class average 73.4%

A low-mileage B125 passes first time 82.9% of the time; by 50k that's 66.7%.

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 B125

failure defects by component group · advisories excluded

Component group	Defects	% of defects	vs all bikes
lighting and signalling	462	27.6	1.7×
steering and suspension	427	25.5	2.1×
brakes	282	16.9	1.0×
tyres and wheels	246	14.7	2.1×
fuel and exhaust	102	6.1	2.4×
lamps and reflectors	46	2.8	0.4×
body and structure	37	2.2	1.4×
reg plates and vin	29	1.7	0.9×
Items Not Tested	27	1.6	3.7×
suspension	14	0.8	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 B125 beats 0 of its 4 closest rivals (PIAGGIO VESPA, HONDA PCX 125, HONDA Vision 110).

PIAGGIO VESPA 80.7% pass · 287k tests HONDA PCX 125 81.1% pass · 88.6k tests HONDA Vision 110 78.2% pass · 50.6k tests YAMAHA NMAX 125 82.2% pass · 33.8k tests

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 B125.

Pass rate by registration year

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

Best year to buy used: 2003 (79.8% pass). Weakest: 2002 (76.6%).

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.

PIAGGIO B125 FAQ

answers computed from the data above · terms in the glossary

Is the PIAGGIO B125 reliable?

The PIAGGIO B125 is more reliable than average for its class: 78.2% of its 5,049 MOT tests (2005–2025) passed first time, against a class average of 73.4%. That ranks it #3881 of 5426 models.

What does a B125 fail its MOT on most?

lighting and signalling — 28% of all defects recorded against failed B125 tests.

What is the best year of B125 to buy used?

By first-time pass rate, 2003-registered examples do best (79.8%) and 2002 worst (76.6%). Condition and history still trump the year.

How many miles will a B125 last?

The median B125 shows 10,543 miles at test, and examples around 50k miles still pass 66.7% of the time — mileage alone rarely kills one.