BIKERELIABILITY
MOT DATA · GREAT BRITAIN · 2005–2025
League table/ LEXMOTO/MONZA 125 ZN 125 T-34
Model report · 2005–2025

LEXMOTO MONZA 125 ZN 125 T-34

125cc Petrol Class 1
66.5%
first-time pass rate
26.8%
failed outright
5,984
median miles at test
544
MOT tests, 2005–2025

Pass rate over time

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

The MONZA 125 ZN 125 T-34's first-time pass rate has fallen 10.9 points since 2020, 64.4% to 53.5%.

49%62%76%2020: 64.4% pass (45 tests)2021: 71.3% pass (129 tests)2022: 64.3% pass (157 tests)2023: 70.8% pass (106 tests)2024: 64.4% pass (59 tests)2025: 53.5% pass (43 tests)20202025

What fails on a MONZA 125 ZN 125 T-34

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects vs all bikes
lamps and reflectors
159 40.2 10.8×
brakes
74 18.7 2.3×
suspension
51 12.9 10.5×
tyres
31 7.8 7.3×
steering
30 7.6 11.5×
structure and attachments
28 7.1 6.2×
audible warning (Horn)
17 4.3 17.1×
wheels
3 0.8 9.2×
Identification of the vehicle
3 0.8 2.4×

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 MONZA 125 ZN 125 T-34 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 MONZA 125 ZN 125 T-34.

Pass rate by registration year

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

Best year to buy used: 2018 (69.6% pass). Weakest: 2019 (59.1%).

57%64%72%2017: 69.2% pass (146 tests)2018: 69.6% pass (247 tests)2019: 59.1% pass (149 tests)201720182019

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.

LEXMOTO MONZA 125 ZN 125 T-34 FAQ

answers computed from the data above · terms in the glossary

Is the LEXMOTO MONZA 125 ZN 125 T-34 reliable?

The LEXMOTO MONZA 125 ZN 125 T-34 is less reliable than average for its class: 66.5% of its 544 MOT tests (2005–2025) passed first time, against a class average of 73.4%. That ranks it #4938 of 5426 models.

What does a MONZA 125 ZN 125 T-34 fail its MOT on most?

lamps and reflectors — 40% of all defects recorded against failed MONZA 125 ZN 125 T-34 tests.

What is the best year of MONZA 125 ZN 125 T-34 to buy used?

By first-time pass rate, 2018-registered examples do best (69.6%) and 2019 worst (59.1%). Condition and history still trump the year.