SUZUKI GSF 1250 K8

1255cc Petrol Class 2

#1784 of 5426 overall #211 of 680 SUZUKIs #1084 of 2787 other bikes

87.4%

first-time pass rate

6.1%

failed outright

13,799

median miles at test

661

MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2011–2023

The GSF 1250 K8's first-time pass rate has fallen 8.9 points since 2011, 97.5% to 88.6%.

Pass rate by mileage

how the GSF 1250 K8's first-time pass rate falls with the odometer · class average 84.9%

A low-mileage GSF 1250 K8 passes first time 91.6% of the time; by 40k that's 77.4%.

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 1250 K8

failure defects by component group · advisories excluded

Component group	Defects	% of defects	vs all bikes
lamps and reflectors	13	16.9	0.9×
lighting and signalling	13	16.9	0.3×
brakes	11	14.3	0.3×
tyres	11	14.3	2.2×
suspension	9	11.7	1.6×
steering and suspension	7	9.1	0.3×
tyres and wheels	6	7.8	0.5×
structure and attachments	5	6.5	0.9×
drive system	1	1.3	0.2×
Identification of the vehicle	1	1.3	0.7×

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 1250 K8 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 1250 K8.

Pass rate by registration year

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

Best year to buy used: 2008 (89.0% pass). Weakest: 2009 (83.2%).

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 1250 K8 FAQ

answers computed from the data above · terms in the glossary

Is the SUZUKI GSF 1250 K8 reliable?

The SUZUKI GSF 1250 K8 is more reliable than average for its class: 87.4% of its 661 MOT tests (2005–2025) passed first time, against a class average of 84.9%. That ranks it #1784 of 5426 models.

What does a GSF 1250 K8 fail its MOT on most?

lamps and reflectors — 17% of all defects recorded against failed GSF 1250 K8 tests.

How many miles will a GSF 1250 K8 last?

The median GSF 1250 K8 shows 13,799 miles at test, and examples around 40k miles still pass 77.4% of the time — mileage alone rarely kills one.