SUZUKI GSF 650 SK5

656cc Petrol Class 2

#2362 of 5426 overall #291 of 680 SUZUKIs #1477 of 2787 other bikes

85.5%

first-time pass rate

8.7%

failed outright

15,272

median miles at test

3,330

MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2008–2025

The GSF 650 SK5's first-time pass rate has fallen 16.2 points since 2008, 90.7% to 74.5%.

Pass rate by mileage

how the GSF 650 SK5's first-time pass rate falls with the odometer · class average 84.9%

A low-mileage GSF 650 SK5 passes first time 90.7% of the time; by 50k that's 78.1%.

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 SK5

failure defects by component group · advisories excluded

Component group	Defects	% of defects	vs all bikes
brakes	125	24.3	0.7×
tyres and wheels	88	17.1	1.1×
lighting and signalling	73	14.2	0.4×
lamps and reflectors	45	8.8	0.5×
drive system	43	8.4	1.4×
steering and suspension	43	8.4	0.4×
tyres	25	4.9	0.9×
fuel and exhaust	25	4.9	0.9×
structure and attachments	24	4.7	0.9×
suspension	23	4.5	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 GSF 650 SK5 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 SK5.

Pass rate by registration year

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

Best year to buy used: 2006 (87.3% pass). Weakest: 2005 (85.4%).

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 SK5 FAQ

answers computed from the data above · terms in the glossary

Is the SUZUKI GSF 650 SK5 reliable?

The SUZUKI GSF 650 SK5 is about average for its class: 85.5% of its 3,330 MOT tests (2005–2025) passed first time, against a class average of 84.9%. That ranks it #2362 of 5426 models.

What does a GSF 650 SK5 fail its MOT on most?

brakes — 24% of all defects recorded against failed GSF 650 SK5 tests.

How many miles will a GSF 650 SK5 last?

The median GSF 650 SK5 shows 15,272 miles at test, and examples around 50k miles still pass 78.1% of the time — mileage alone rarely kills one.