Data as of: DVSA MOT results to 2025
The pass rate is the MOT first-time pass: a roadworthiness check of the items an MOT covers (brakes, lights, tyres, steering, structure, emissions), not a full mechanical inspection of engine or gearbox internals. It is a reliability signal, not a complete measure of mechanical reliability. What this measures.
“vs expected” adjusts for age, mileage and test class, so a cherished classic and a hard-used commuter are compared fairly. How this works.
Pass rate over time
The EN's first-time pass rate has held steady since 2017 (75.6% → 75.6%).
Pass rate by mileage
A low-mileage EN passes first time 75.7% of the time; by 20k that's 56.3%.
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 EN
| Component group | Share of defects | Defects | % of defects | vs all bikes |
|---|---|---|---|---|
| lamps and reflectors |
|
82 | 28.6 | 5.3× |
| brakes |
|
50 | 17.4 | 1.3× |
| lighting and signalling |
|
40 | 13.9 | 1.0× |
| structure and attachments |
|
33 | 11.5 | 7.1× |
| drive system |
|
19 | 6.6 | 4.0× |
| suspension |
|
17 | 5.9 | 3.4× |
| steering |
|
15 | 5.2 | 6.5× |
| tyres |
|
13 | 4.5 | 3.4× |
| steering and suspension |
|
11 | 3.8 | 0.6× |
| tyres and wheels |
|
7 | 2.4 | 0.5× |
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
On first-time pass rate the EN beats 0 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 EN.
Compare with any bike
More SUZUKI models
Pass rate by registration year
Highest pass rate: 2015 (72.7%). Lowest: 2007 (57.3%). Every En year compared →
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 EN FAQ
Is the SUZUKI EN reliable?
The SUZUKI EN is less reliable than average for its class: 66.1% of its 557 MOT tests (2005–2025) passed first time, against a class average of 73.4%. That ranks it #4960 of 5428 models.
What does a EN fail its MOT on most?
lamps and reflectors: 29% of all defects recorded against failed EN tests.
What is the best year of EN to buy used?
By first-time pass rate, 2015-registered examples do best (72.7%) and 2007 worst (57.3%). Condition and history still trump the year.
How many miles will a EN last?
The median EN shows 10,173 miles at test, and examples around 20k miles still pass 56.3% of the time, so mileage alone rarely decides the result.
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