ZONTES ZT 125-U1

125cc Petrol Class 1

#4032 of 5426 overall #2 of 11 ZONTESs #173 of 734 commuter bikes

77.2%

first-time pass rate

17.4%

failed outright

5,770

median miles at test

408

MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2024–2025

The ZT 125-U1's first-time pass rate has fallen 2.1 points since 2024, 78.3% to 76.2%.

What fails on a ZT 125-U1

failure defects by component group · advisories excluded

Component group	Defects	% of defects
brakes	51	28.5
lamps and reflectors	47	26.3
structure and attachments	44	24.6
suspension	27	15.1
Identification of the vehicle	4	2.2
tyres	4	2.2
audible warning (Horn)	2	1.1

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 ZT 125-U1 beats 4 of its 4 closest rivals (YAMAHA YBR 125, HONDA CG125, HONDA CBF125).

YAMAHA YBR 125 71.0% pass · 125k tests HONDA CG125 72.2% pass · 89.3k tests HONDA CBF125 73.3% pass · 84.4k tests GILERA RUNNER 70.8% pass · 69.9k 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 ZT 125-U1.

Pass rate by registration year

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

Best year to buy used: 2022 (80.6% pass). Weakest: 2021 (75.9%).

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.