Suzuki GSF 1250 SA K8 MOT pass rate and common failures

Suzuki GSF 1250 SA K8 motorcycles pass the MOT 88.17% of the time, measured across 279 tests in the DVSA record. A further 4.3% passed only after a defect was put right at the test station.

About average - within 1.3 points of the 86.87% figure for all motorcycles tested.

Pass rate 88.17% 246 of 279

Fixed at the station 4.3% passed after an on-the-spot repair

Average mileage at test 29,044 miles

Average age at test 16.92 years old

Engine 1,255cc MOT class 2

For sale now 0 Suzuki GSF 1250 SA K8 adverts

What to check before the MOT

Built from this model's own failure record, not general advice.

Start with has a serious fluid leak - it accounts for 38.1% of failed tests on this model.
Then check not working and tread depth is below minimum requirements of 1.0mm, the next two most common reasons.
The most common advisory is has a serious fluid leak (5% of all tests) - not a failure, but money you will spend sooner or later.
Average recorded mileage at test is 29,044 miles, which is the number to compare any advert against.

Pass rate by age

A single pass rate hides the most useful thing in this data: how the same model behaves at three years old and at fifteen.

Age at test	Pass rate		Tests
16+ years	88.68%		265

Why the Suzuki GSF 1250 SA K8 fails

Share of failed tests on this model where the item was recorded. One test can fail on several items, so the column does not add up to 100%.

#	Item	Of failures	Tests
1	Has a serious fluid leak	38.1%	8
2	Not working	38.1%	8
3	Tread depth is below minimum requirements of 1.0mm	19%	4
4	Does not illuminate by the operation of both brake controls	14.3%	3
5	Less than 1.0 mm thick	14.3%	3
6	Missing	14.3%	3
7	Grip insecure to handlebar	9.5%	2
8	Has insufficient reserve travel	9.5%	2
9	Inoperative in the case of a single lamp or all lamps	9.5%	2
10	Seriously damaged	9.5%	2

Most common advisories

Not a failure and not a legal requirement to fix - but an advisory that repeats year after year is money the next owner spends.

#	Item	Of all tests	Tests
1	Has a serious fluid leak	5%	14
2	Less than 1.0 mm thick	3.9%	11
3	Indicates excessive fluctuation of brake effort	3.6%	10
4	Noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition	3.6%	10
5	Tread depth is below minimum requirements of 1.0mm	3.6%	10
6	Excessively loose	2.5%	7
7	Excessively binding	2.2%	6
8	Pin or bush excessively worn	1.4%	4
9	Significantly and obviously worn	1.4%	4
10	Tread not clearly visible	1.4%	4

Suzuki GSF 1250 SA K8 for sale

No Suzuki GSF 1250 SA K8 in stock at the moment - 529 other Suzuki bikes are advertised.

Used Suzuki GSF 1250 SA K8 Used Suzuki All Suzuki Suzuki MOT statistics

Similar bikes compared

Models of comparable capacity, so the comparison means something.

Model	Tests	Pass rate	Avg mileage
Triumph TIGER · 969cc	16,144	91.27%	22,934
BMW R SERIES · 1,152cc	9,796	91.92%	40,594
BMW R1200 · 1,170cc	9,521	94.43%	28,830
BMW S 1000 · 999cc	8,445	91.96%	15,282
BMW R1250 · 1,254cc	6,764	96.17%	17,373
BMW R 1200 · 1,170cc	6,170	95.28%	27,241

Source: DVSA MOT testing data, 2025 · updated Aug 2026 · licence and method

Suzuki GSF 1250 SA K8 MOT questions

What is the MOT pass rate for the Suzuki GSF 1250 SA K8?+

88.17% of Suzuki GSF 1250 SA K8 MOT tests end in a pass, based on 279 tests in the DVSA dataset.

What is the most common MOT failure on a Suzuki GSF 1250 SA K8?+

Has a serious fluid leak, which appears in 38.1% of failed tests on this model.

Where does this data come from?+

From the DVSA anonymised MOT testing dataset, which records every MOT carried out in England, Scotland and Wales. It is published under the Open Government Licence and covers 2025.

Does a high pass rate mean the bike is reliable?+

Not by itself. The MOT checks safety items - brakes, tyres, lights, structure - and says nothing about engines, gearboxes or electrics. Read it as a maintenance signal, not a reliability score.