SUZUKI GSX 650 FK8
Pass rate over time
The GSX 650 FK8's first-time pass rate has fallen 5.1 points since 2011, 89.7% to 84.6%.
Pass rate by mileage
A low-mileage GSX 650 FK8 passes first time 92.6% of the time; by 50k that's 85.3%.
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 GSX 650 FK8
| Component group | Share of defects | Defects | % of defects | vs all bikes |
|---|---|---|---|---|
| brakes |
|
211 | 24.7 | 0.5× |
| tyres and wheels |
|
147 | 17.2 | 0.9× |
| lamps and reflectors |
|
134 | 15.7 | 0.7× |
| lighting and signalling |
|
110 | 12.9 | 0.3× |
| structure and attachments |
|
58 | 6.8 | 1.0× |
| tyres |
|
53 | 6.2 | 0.9× |
| drive system |
|
49 | 5.7 | 0.7× |
| suspension |
|
43 | 5 | 0.8× |
| steering and suspension |
|
35 | 4.1 | 0.1× |
| steering |
|
15 | 1.8 | 0.4× |
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 GSX 650 FK8 beats 4 of its 4 closest rivals (KAWASAKI ZX-6R, SUZUKI GSF600, YAMAHA FZS600).
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 GSX 650 FK8.
Pass rate by registration year
Best year to buy used: 2008 (87.7% pass). Weakest: 2010 (84.0%).
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 GSX 650 FK8 FAQ
Is the SUZUKI GSX 650 FK8 reliable?
The SUZUKI GSX 650 FK8 is more reliable than average for its class: 87.6% of its 7,404 MOT tests (2005–2025) passed first time, against a class average of 84.9%. That ranks it #1722 of 5426 models.
What does a GSX 650 FK8 fail its MOT on most?
brakes — 25% of all defects recorded against failed GSX 650 FK8 tests.
What is the best year of GSX 650 FK8 to buy used?
By first-time pass rate, 2009-registered examples do best (87.7%) and 2010 worst (84.0%). Condition and history still trump the year.
How many miles will a GSX 650 FK8 last?
The median GSX 650 FK8 shows 13,427 miles at test, and examples around 50k miles still pass 85.3% of the time — mileage alone rarely kills one.