BIKERELIABILITY
MOT DATA · GREAT BRITAIN · 2005–2025
League table/ SUZUKI/GSXR 125 AL8
Model report · 2005–2025
78.1%
first-time pass rate
15.3%
failed outright
9,242
median miles at test
1,152
MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2021–2025

The GSXR 125 AL8's first-time pass rate has fallen 6.7 points since 2021, 81.1% to 74.4%.

73%78%83%2021: 81.1% pass (132 tests)2022: 80.9% pass (257 tests)2023: 78.9% pass (294 tests)2024: 75.0% pass (224 tests)2025: 74.4% pass (223 tests)20212025

Pass rate by mileage

how the GSXR 125 AL8's first-time pass rate falls with the odometer · class average 73.4%

A low-mileage GSXR 125 AL8 passes first time 85.7% of the time; by 30k that's 66.7%.

63%76%90%0k: 85.7% pass (600 tests)10k: 69.8% pass (394 tests)20k: 70.4% pass (108 tests)30k: 66.7% pass (33 tests)0k20k30k

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 GSXR 125 AL8

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects vs all bikes
brakes
127 29.3 1.8×
structure and attachments
83 19.2 7.1×
lamps and reflectors
81 18.7 2.7×
steering
67 15.5 11.7×
tyres
38 8.8 3.9×
suspension
30 6.9 3.1×
audible warning (Horn)
3 0.7 1.4×
wheels
2 0.5 1.4×
Identification of the vehicle
2 0.5 0.8×

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

same type, similar capacity, high test volume

On first-time pass rate the GSXR 125 AL8 beats 3 of its 3 closest rivals (YAMAHA YZF-R125, HONDA CBR125R, HONDA CBR 125 R-4).

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 GSXR 125 AL8.

Pass rate by registration year

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

Best year to buy used: 2017 (84.7% pass). Weakest: 2018 (75.8%).

74%80%86%2017: 84.7% pass (118 tests)2018: 75.8% pass (443 tests)2019: 79.1% pass (411 tests)2020: 77.2% pass (180 tests)201720192020

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 GSXR 125 AL8 FAQ

answers computed from the data above · terms in the glossary

Is the SUZUKI GSXR 125 AL8 reliable?

The SUZUKI GSXR 125 AL8 is more reliable than average for its class: 78.1% of its 1,152 MOT tests (2005–2025) passed first time, against a class average of 73.4%. That ranks it #3896 of 5426 models.

What does a GSXR 125 AL8 fail its MOT on most?

brakes — 29% of all defects recorded against failed GSXR 125 AL8 tests.

What is the best year of GSXR 125 AL8 to buy used?

By first-time pass rate, 2017-registered examples do best (84.7%) and 2018 worst (75.8%). Condition and history still trump the year.

How many miles will a GSXR 125 AL8 last?

The median GSXR 125 AL8 shows 9,242 miles at test, and examples around 30k miles still pass 66.7% of the time — mileage alone rarely kills one.