BIKERELIABILITY
MOT DATA · GREAT BRITAIN · 2005–2025
League table/ SUZUKI/UX 125 K8
Model report · 2005–2025

SUZUKI UX 125 K8

124cc Petrol Class 1
#3052 of 5426 overall #393 of 680 SUZUKIs #58 of 734 commuter bikes
82.6%
first-time pass rate
12.8%
failed outright
9,875
median miles at test
822
MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2011–2021

The UX 125 K8's first-time pass rate has fallen 4.6 points since 2011, 87.5% to 82.9%.

70%81%91%2011: 87.5% pass (32 tests)2012: 87.6% pass (89 tests)2013: 85.9% pass (99 tests)2014: 85.6% pass (111 tests)2015: 84.2% pass (95 tests)2016: 85.4% pass (96 tests)2017: 73.7% pass (76 tests)2018: 76.0% pass (50 tests)2019: 76.5% pass (34 tests)2021: 82.9% pass (35 tests)20112021

Pass rate by mileage

how the UX 125 K8's first-time pass rate falls with the odometer · class average 73.4%

A low-mileage UX 125 K8 passes first time 85.3% of the time; by 20k that's 76.6%.

75%81%87%0k: 85.3% pass (416 tests)10k: 80.9% pass (257 tests)20k: 76.6% pass (111 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 UX 125 K8

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects vs all bikes
brakes
73 34.9 1.4×
tyres and wheels
31 14.8 1.5×
steering and suspension
27 12.9 1.0×
lighting and signalling
23 11 0.7×
tyres
18 8.6 2.7×
lamps and reflectors
13 6.2 0.9×
structure and attachments
10 4.8 1.4×
suspension
7 3.3 0.8×
fuel and exhaust
4 1.9 0.6×
steering
3 1.4 0.9×

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 UX 125 K8 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 UX 125 K8.

Pass rate by registration year

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

Best year to buy used: 2010 (90.7% pass). Weakest: 2009 (80.1%).

78%85%93%2008: 80.6% pass (273 tests)2009: 80.1% pass (341 tests)2010: 90.7% pass (140 tests)2011: 84.7% pass (59 tests)200820102011

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.

SUZUKI UX 125 K8 FAQ

answers computed from the data above · terms in the glossary

Is the SUZUKI UX 125 K8 reliable?

The SUZUKI UX 125 K8 is more reliable than average for its class: 82.6% of its 822 MOT tests (2005–2025) passed first time, against a class average of 73.4%. That ranks it #3052 of 5426 models.

What does a UX 125 K8 fail its MOT on most?

brakes — 35% of all defects recorded against failed UX 125 K8 tests.

What is the best year of UX 125 K8 to buy used?

By first-time pass rate, 2010-registered examples do best (90.7%) and 2009 worst (80.1%). Condition and history still trump the year.

How many miles will a UX 125 K8 last?

The median UX 125 K8 shows 9,875 miles at test, and examples around 20k miles still pass 76.6% of the time — mileage alone rarely kills one.