SUZUKI GSF 600 W

599cc Petrol Class 2

#4187 of 5426 overall #585 of 680 SUZUKIs #2610 of 2787 other bikes

76.0%

first-time pass rate

15.1%

failed outright

21,727

median miles at test

1,883

MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2005–2025

The GSF 600 W's first-time pass rate has risen 7.4 points since 2005, 75.5% to 82.9%.

Pass rate by mileage

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

A low-mileage GSF 600 W passes first time 83.1% of the time; by 50k that's 62.7%.

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 W

failure defects by component group · advisories excluded

Component group	Defects	% of defects	vs all bikes
brakes	198	29	1.8×
lighting and signalling	188	27.5	1.5×
steering and suspension	106	15.5	1.4×
lamps and reflectors	44	6.4	0.8×
tyres and wheels	36	5.3	0.8×
drive system	35	5.1	2.2×
fuel and exhaust	34	5	2.0×
body and structure	17	2.5	1.5×
reg plates and vin	15	2.2	1.4×
structure and attachments	10	1.5	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 600 W 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 W.

Pass rate by registration year

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

Best year to buy used: 1999 (78.9% pass). Weakest: 1998 (75.0%).

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 W FAQ

answers computed from the data above · terms in the glossary

Is the SUZUKI GSF 600 W reliable?

The SUZUKI GSF 600 W is less reliable than average for its class: 76.0% of its 1,883 MOT tests (2005–2025) passed first time, against a class average of 84.9%. That ranks it #4187 of 5426 models.

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

brakes — 29% of all defects recorded against failed GSF 600 W tests.

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

By first-time pass rate, 1999-registered examples do best (78.9%) and 1998 worst (75.0%). Condition and history still trump the year.

How many miles will a GSF 600 W last?

The median GSF 600 W shows 21,727 miles at test, and examples around 50k miles still pass 62.7% of the time — mileage alone rarely kills one.