SUZUKI GSF 1200 K4

1157cc Petrol Class 2

#1111 of 5426 overall #115 of 680 SUZUKIs #678 of 2787 other bikes

89.5%

first-time pass rate

6.3%

failed outright

10,857

median miles at test

333

MOT tests, 2005–2025

Pass rate by mileage

how the GSF 1200 K4's first-time pass rate falls with the odometer · class average 84.9%

A low-mileage GSF 1200 K4 passes first time 96.8% of the time; by 20k that's 69.4%.

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 K4

failure defects by component group · advisories excluded

Component group	Defects	% of defects
brakes	11	26.2
structure and attachments	6	14.3
lamps and reflectors	6	14.3
steering and suspension	5	11.9
drive system	4	9.5
fuel and exhaust	3	7.1
lighting and signalling	3	7.1
suspension	2	4.8
tyres and wheels	1	2.4
tyres	1	2.4

Defects recorded against failed normal tests, 2005–2025, grouped by DVSA inspection section. One test can record multiple defects.

How rivals compare

same type, similar capacity, high test volume

On first-time pass rate the GSF 1200 K4 beats 3 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 K4.

Pass rate by registration year

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

Best year to buy used: 2004 (90.6% pass). Weakest: 2005 (87.6%).

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.