SUZUKI GSF 650 SA K9

656cc Petrol Class 2

#1332 of 5426 overall #150 of 680 SUZUKIs #816 of 2787 other bikes

88.8%

first-time pass rate

6.8%

failed outright

15,120

median miles at test

1,452

MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2012–2025

The GSF 650 SA K9's first-time pass rate has fallen 7.0 points since 2012, 89.1% to 82.1%.

Pass rate by mileage

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

A low-mileage GSF 650 SA K9 passes first time 93.5% of the time; by 50k that's 86.5%.

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 SA K9

failure defects by component group · advisories excluded

Component group	Defects	% of defects	vs all bikes
brakes	38	22.6	0.5×
lamps and reflectors	29	17.3	0.9×
tyres	23	13.7	1.9×
lighting and signalling	19	11.3	0.3×
tyres and wheels	18	10.7	0.6×
suspension	13	7.7	1.2×
structure and attachments	12	7.1	1.1×
steering and suspension	6	3.6	0.1×
reg plates and vin	5	3	0.2×
drive system	5	3	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

same type, similar capacity, high test volume

On first-time pass rate the GSF 650 SA K9 beats 4 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 SA K9.

Pass rate by registration year

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

Best year to buy used: 2010 (92.1% pass). Weakest: 2009 (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 GSF 650 SA K9 FAQ

answers computed from the data above · terms in the glossary

Is the SUZUKI GSF 650 SA K9 reliable?

The SUZUKI GSF 650 SA K9 is more reliable than average for its class: 88.8% of its 1,452 MOT tests (2005–2025) passed first time, against a class average of 84.9%. That ranks it #1332 of 5426 models.

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

brakes — 23% of all defects recorded against failed GSF 650 SA K9 tests.

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

By first-time pass rate, 2010-registered examples do best (92.1%) and 2009 worst (84.0%). Condition and history still trump the year.

How many miles will a GSF 650 SA K9 last?

The median GSF 650 SA K9 shows 15,120 miles at test, and examples around 50k miles still pass 86.5% of the time — mileage alone rarely kills one.