SUZUKI GSF 650 K9

656cc Petrol Class 2

#2467 of 5426 overall #302 of 680 SUZUKIs #1543 of 2787 other bikes

85.1%

first-time pass rate

8.3%

failed outright

12,347

median miles at test

689

MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2013–2025

The GSF 650 K9's first-time pass rate has risen 10.2 points since 2013, 79.3% to 89.5%.

Pass rate by mileage

how the GSF 650 K9's first-time pass rate falls with the odometer · class average 84.9%

A low-mileage GSF 650 K9 passes first time 87.2% of the time; by 30k that's 76.9%.

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 GSF 650 K9

failure defects by component group · advisories excluded

Component group	Defects	% of defects	vs all bikes
brakes	30	30.3	0.8×
lamps and reflectors	15	15.2	0.9×
lighting and signalling	11	11.1	0.4×
tyres and wheels	10	10.1	0.7×
tyres	10	10.1	1.7×
drive system	8	8.1	0.8×
structure and attachments	5	5.1	0.8×
steering and suspension	4	4	0.2×
Identification of the vehicle	3	3	1.9×
suspension	3	3	0.6×

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 GSF 650 K9 beats 3 of its 4 closest rivals (KAWASAKI ZX-6R, SUZUKI GSF600, YAMAHA FZS600).

KAWASAKI ZX-6R 78.1% pass · 174k tests SUZUKI GSF600 77.3% pass · 143k tests YAMAHA FZS600 82.6% pass · 137k tests HONDA VFR800 FI 86.7% pass · 89.4k tests

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 GSF 650 K9.

Pass rate by registration year

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

Best year to buy used: 2011 (91.5% pass). Weakest: 2010 (83.9%).

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 GSF 650 K9 FAQ

answers computed from the data above · terms in the glossary

Is the SUZUKI GSF 650 K9 reliable?

The SUZUKI GSF 650 K9 is about average for its class: 85.1% of its 689 MOT tests (2005–2025) passed first time, against a class average of 84.9%. That ranks it #2467 of 5426 models.

What does a GSF 650 K9 fail its MOT on most?

brakes — 30% of all defects recorded against failed GSF 650 K9 tests.

What is the best year of GSF 650 K9 to buy used?

By first-time pass rate, 2011-registered examples do best (91.5%) and 2010 worst (83.9%). Condition and history still trump the year.

How many miles will a GSF 650 K9 last?

The median GSF 650 K9 shows 12,347 miles at test, and examples around 30k miles still pass 76.9% of the time — mileage alone rarely kills one.