SUZUKI GN 125 E
Pass rate over time
The GN 125 E's first-time pass rate has fallen 3.1 points since 2008, 75.0% to 71.9%.
Pass rate by mileage
A low-mileage GN 125 E passes first time 75.7% of the time; by 30k that's 57.9%.
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 GN 125 E
| Component group | Share of defects | Defects | % of defects | vs all bikes |
|---|---|---|---|---|
| lighting and signalling |
|
121 | 25.3 | 1.7× |
| brakes |
|
78 | 16.3 | 1.1× |
| drive system |
|
77 | 16.1 | 6.4× |
| steering and suspension |
|
67 | 14 | 1.4× |
| lamps and reflectors |
|
41 | 8.6 | 1.1× |
| tyres and wheels |
|
34 | 7.1 | 1.3× |
| structure and attachments |
|
21 | 4.4 | 1.7× |
| steering |
|
14 | 2.9 | 2.7× |
| suspension |
|
13 | 2.7 | 1.3× |
| body and structure |
|
13 | 2.7 | 1.8× |
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 GN 125 E beats 1 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 GN 125 E.
Pass rate by registration year
Best year to buy used: 2008 (76.0% pass). Weakest: 2004 (58.9%).
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.
SUZUKI GN 125 E FAQ
Is the SUZUKI GN 125 E reliable?
The SUZUKI GN 125 E is less reliable than average for its class: 71.0% of its 1,148 MOT tests (2005–2025) passed first time, against a class average of 73.4%. That ranks it #4662 of 5426 models.
What does a GN 125 E fail its MOT on most?
lighting and signalling — 25% of all defects recorded against failed GN 125 E tests.
What is the best year of GN 125 E to buy used?
By first-time pass rate, 2008-registered examples do best (76.0%) and 2004 worst (58.9%). Condition and history still trump the year.
How many miles will a GN 125 E last?
The median GN 125 E shows 11,161 miles at test, and examples around 30k miles still pass 57.9% of the time — mileage alone rarely kills one.