BIKERELIABILITY
MOT DATA · GREAT BRITAIN · 2005–2025
Model report · 2005–2025
68.9%
first-time pass rate
21.2%
failed outright
11,046
median miles at test
711
MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2005–2011

The ZIP 125's first-time pass rate has fallen 3.2 points since 2005, 70.8% to 67.6%.

57%66%74%2005: 70.8% pass (48 tests)2006: 68.3% pass (126 tests)2007: 71.4% pass (147 tests)2008: 59.7% pass (119 tests)2009: 71.0% pass (62 tests)2011: 67.6% pass (34 tests)20052011

Pass rate by mileage

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

A low-mileage ZIP 125 passes first time 74.3% of the time; by 20k that's 67.7%.

62%69%76%0k: 74.3% pass (307 tests)10k: 63.9% pass (266 tests)20k: 67.7% pass (93 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 ZIP 125

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects vs all bikes
lighting and signalling
124 32.1 2.7×
steering and suspension
84 21.8 2.9×
brakes
74 19.2 1.9×
tyres and wheels
61 15.8 3.7×
fuel and exhaust
27 7 4.6×
body and structure
5 1.3 1.5×
tyres
4 1 0.4×
lamps and reflectors
3 0.8 0.2×
reg plates and vin
2 0.5 0.5×
driving controls
2 0.5 1.2×

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 ZIP 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 ZIP 125.

Pass rate by registration year

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

Best year to buy used: 2001 (74.7% pass). Weakest: 2003 (58.6%).

55%67%78%2001: 74.7% pass (293 tests)2002: 63.9% pass (180 tests)2003: 58.6% pass (116 tests)2004: 70.3% pass (111 tests)200120032004

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 ZIP 125 FAQ

answers computed from the data above · terms in the glossary

Is the PIAGGIO ZIP 125 reliable?

The PIAGGIO ZIP 125 is less reliable than average for its class: 68.9% of its 711 MOT tests (2005–2025) passed first time, against a class average of 73.4%. That ranks it #4801 of 5426 models.

What does a ZIP 125 fail its MOT on most?

lighting and signalling — 32% of all defects recorded against failed ZIP 125 tests.

What is the best year of ZIP 125 to buy used?

By first-time pass rate, 2001-registered examples do best (74.7%) and 2003 worst (58.6%). Condition and history still trump the year.

How many miles will a ZIP 125 last?

The median ZIP 125 shows 11,046 miles at test, and examples around 20k miles still pass 67.7% of the time — mileage alone rarely kills one.