BIKERELIABILITY
MOT DATA · GREAT BRITAIN · 2005–2025
League table/ SUZUKI/GSXS 750 Z AL7
Model report · 2005–2025

SUZUKI GSXS 750 Z AL7

749cc Petrol Class 2
86.6%
first-time pass rate
7.1%
failed outright
7,167
median miles at test
882
MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2020–2025

The GSXS 750 Z AL7's first-time pass rate has fallen 7.4 points since 2020, 93.7% to 86.3%.

80%88%96%2020: 93.7% pass (126 tests)2021: 83.1% pass (177 tests)2022: 84.2% pass (171 tests)2023: 83.3% pass (156 tests)2024: 92.2% pass (128 tests)2025: 86.3% pass (124 tests)20202025

Pass rate by mileage

how the GSXS 750 Z AL7's first-time pass rate falls with the odometer · class average 84.9%

A low-mileage GSXS 750 Z AL7 passes first time 87.1% of the time; by 20k that's 78.2%.

76%83%89%0k: 87.1% pass (541 tests)10k: 83.1% pass (207 tests)20k: 78.2% pass (55 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 GSXS 750 Z AL7

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects vs all bikes
lamps and reflectors
50 42.7 2.7×
brakes
22 18.8 0.4×
structure and attachments
14 12 2.0×
tyres
12 10.3 2.0×
suspension
8 6.8 1.2×
Identification of the vehicle
5 4.3 2.5×
steering
4 3.4 1.1×
wheels
2 1.7 3.8×

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 GSXS 750 Z AL7 beats 3 of its 4 closest rivals (TRIUMPH STREET TRIPLE, HONDA CB600 HORNET, TRIUMPH TRIDENT).

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 GSXS 750 Z AL7.

Pass rate by registration year

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

Best year to buy used: 2017 (86.9% pass). Weakest: 2018 (85.9%).

85%86%88%2017: 86.9% pass (587 tests)2018: 85.9% pass (291 tests)20172018

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 GSXS 750 Z AL7 FAQ

answers computed from the data above · terms in the glossary

Is the SUZUKI GSXS 750 Z AL7 reliable?

The SUZUKI GSXS 750 Z AL7 is about average for its class: 86.6% of its 882 MOT tests (2005–2025) passed first time, against a class average of 84.9%. That ranks it #2016 of 5426 models.

What does a GSXS 750 Z AL7 fail its MOT on most?

lamps and reflectors — 43% of all defects recorded against failed GSXS 750 Z AL7 tests.

How many miles will a GSXS 750 Z AL7 last?

The median GSXS 750 Z AL7 shows 7,167 miles at test, and examples around 20k miles still pass 78.2% of the time — mileage alone rarely kills one.