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

SUZUKI UH 125 K8

124cc Petrol Class 1
#4171 of 5426 overall #583 of 680 SUZUKIs #203 of 734 commuter bikes
76.1%
first-time pass rate
16.9%
failed outright
11,195
median miles at test
419
MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2012–2017

The UH 125 K8's first-time pass rate has fallen 6.6 points since 2012, 85.4% to 78.8%.

71%79%88%2012: 85.4% pass (48 tests)2013: 79.5% pass (44 tests)2014: 73.5% pass (49 tests)2015: 75.0% pass (40 tests)2016: 84.2% pass (38 tests)2017: 78.8% pass (33 tests)20122017

Pass rate by mileage

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

A low-mileage UH 125 K8 passes first time 81.6% of the time; by 20k that's 60.7%.

57%71%86%0k: 81.6% pass (190 tests)10k: 74.8% pass (147 tests)20k: 60.7% pass (61 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 UH 125 K8

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects
brakes
51 38.9
lighting and signalling
17 13
tyres and wheels
14 10.7
lamps and reflectors
14 10.7
tyres
13 9.9
suspension
9 6.9
steering and suspension
6 4.6
structure and attachments
4 3.1
steering
2 1.5
audible warning (Horn)
1 0.8

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 UH 125 K8 beats 4 of its 4 closest rivals (YAMAHA YBR 125, HONDA CG125, HONDA CBF125).

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 UH 125 K8.

Pass rate by registration year

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

Best year to buy used: 2008 (78.9% pass). Weakest: 2009 (74.8%).

74%77%80%2008: 78.9% pass (133 tests)2009: 74.8% pass (262 tests)20082009

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.