SUZUKI GSF 600 SX

599cc Petrol Class 2

#4321 of 5426 overall #597 of 680 SUZUKIs #2667 of 2787 other bikes

74.8%

first-time pass rate

15.9%

failed outright

17,855

median miles at test

567

MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2006–2015

The GSF 600 SX's first-time pass rate has fallen 18.0 points since 2006, 85.7% to 67.7%.

Pass rate by mileage

how the GSF 600 SX's first-time pass rate falls with the odometer · class average 84.9%

A low-mileage GSF 600 SX passes first time 84.6% of the time; by 40k that's 80.6%.

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 600 SX

failure defects by component group · advisories excluded

Component group	Defects	% of defects	vs all bikes
brakes	65	31.4	1.7×
lighting and signalling	43	20.8	1.2×
steering and suspension	37	17.9	1.9×
tyres and wheels	22	10.6	1.6×
lamps and reflectors	10	4.8	0.8×
drive system	9	4.3	1.7×
fuel and exhaust	6	2.9	0.9×
body and structure	6	2.9	1.5×
reg plates and vin	5	2.4	1.2×
tyres	4	1.9	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 600 SX beats 0 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 SUZUKI SV650S 80.6% pass · 84.6k 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 600 SX.

Pass rate by registration year

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

Best year to buy used: 1998 (81.0% pass). Weakest: 2000 (72.0%).

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 600 SX FAQ

answers computed from the data above · terms in the glossary

Is the SUZUKI GSF 600 SX reliable?

The SUZUKI GSF 600 SX is less reliable than average for its class: 74.8% of its 567 MOT tests (2005–2025) passed first time, against a class average of 84.9%. That ranks it #4321 of 5426 models.

What does a GSF 600 SX fail its MOT on most?

brakes — 31% of all defects recorded against failed GSF 600 SX tests.

What is the best year of GSF 600 SX to buy used?

By first-time pass rate, 1998-registered examples do best (81.0%) and 2000 worst (72.0%). Condition and history still trump the year.

How many miles will a GSF 600 SX last?

The median GSF 600 SX shows 17,855 miles at test, and examples around 40k miles still pass 80.6% of the time — mileage alone rarely kills one.