SUZUKI GSF 1200 SZ K5

1157cc Petrol Class 2

#1604 of 5426 overall #178 of 680 SUZUKIs #976 of 2787 other bikes

88.0%

first-time pass rate

6.6%

failed outright

15,860

median miles at test

1,414

MOT tests, 2005–2025

Pass rate over time

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

The GSF 1200 SZ K5's first-time pass rate has fallen 5.4 points since 2008, 90.5% to 85.1%.

Pass rate by mileage

how the GSF 1200 SZ K5's first-time pass rate falls with the odometer · class average 84.9%

A low-mileage GSF 1200 SZ K5 passes first time 90.7% of the time; by 50k that's 85.3%.

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 1200 SZ K5

failure defects by component group · advisories excluded

Component group	Defects	% of defects	vs all bikes
lamps and reflectors	33	20	0.9×
lighting and signalling	32	19.4	0.4×
brakes	23	13.9	0.3×
tyres and wheels	21	12.7	0.6×
steering and suspension	21	12.7	0.5×
drive system	13	7.9	0.7×
fuel and exhaust	7	4.2	0.7×
tyres	6	3.6	0.5×
body and structure	5	3	0.6×
structure and attachments	4	2.4	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 1200 SZ K5 beats 2 of its 4 closest rivals (BMW R1200, BMW R1150, TRIUMPH SPRINT).

BMW R1200 92.9% pass · 299k tests BMW R1150 88.5% pass · 171k tests TRIUMPH SPRINT 85.6% pass · 133k tests SUZUKI GSF1200 82.4% pass · 97.6k 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 1200 SZ K5.

Pass rate by registration year

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

Best year to buy used: 2005 (88.0% pass). Weakest: 2005 (88.0%).

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 1200 SZ K5 FAQ

answers computed from the data above · terms in the glossary

Is the SUZUKI GSF 1200 SZ K5 reliable?

The SUZUKI GSF 1200 SZ K5 is more reliable than average for its class: 88.0% of its 1,414 MOT tests (2005–2025) passed first time, against a class average of 84.9%. That ranks it #1604 of 5426 models.

What does a GSF 1200 SZ K5 fail its MOT on most?

lamps and reflectors — 20% of all defects recorded against failed GSF 1200 SZ K5 tests.

How many miles will a GSF 1200 SZ K5 last?

The median GSF 1200 SZ K5 shows 15,860 miles at test, and examples around 50k miles still pass 85.3% of the time — mileage alone rarely kills one.