Suzuki GSX600 MOT pass rate and common failures

Suzuki GSX600 motorcycles pass the MOT 81.52% of the time, measured across 487 tests in the DVSA record. A further 6.57% passed only after a defect was put right at the test station.

Worse than average: 5.4 points below the 86.87% figure for all motorcycles tested.

Pass rate 81.52% 397 of 487

Fixed at the station 6.57% passed after an on-the-spot repair

Average mileage at test 27,632 miles

Average age at test 25.6 years old

Engine 600cc MOT class 1 and 2

For sale now 0 Suzuki GSX600 adverts

What to check before the MOT

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

Start with not working - it accounts for 34.5% of failed tests on this model.
Then check has a serious fluid leak and excessively binding, the next two most common reasons.
The most common advisory is has a serious fluid leak (7% of all tests) - not a failure, but money you will spend sooner or later.
Average recorded mileage at test is 27,632 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	81.44%		485

Why the Suzuki GSX600 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	Not working	34.5%	20
2	Has a serious fluid leak	22.4%	13
3	Excessively binding	17.2%	10
4	Inoperative in the case of a single lamp or all lamps	17.2%	10
5	Tread depth is below minimum requirements of 1.0mm	17.2%	10
6	Indicates excessive fluctuation of brake effort	10.3%	6
7	The less effective brake control does not achieve an efficiency of 25%	10.3%	6
8	Does not illuminate by the operation of both brake controls	8.6%	5
9	Does not illuminate simultaneously with the position lamp(s)	8.6%	5
10	Too low	8.6%	5

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	7%	34
2	Noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition	7%	34
3	Tread depth is below minimum requirements of 1.0mm	6.6%	32
4	Excessively binding	4.5%	22
5	Indicates excessive fluctuation of brake effort	4.5%	22
6	Excessively loose	4.3%	21
7	In such a condition that it is seriously weakened	3.3%	16
8	Excessively stiff or notchy	2.3%	11
9	Less than 1.0 mm thick	2.3%	11
10	Has a major leak of exhaust gases	2.1%	10

Suzuki GSX600 for sale

No Suzuki GSX600 in stock at the moment - 529 other Suzuki bikes are advertised.

Used Suzuki GSX600 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
Honda CB 397-750cc · 397-750cc	5,400	89.76%	19,444
Honda NC · 741cc	5,311	89.53%	22,765
Suzuki GSF600 · 600cc	4,890	80%	29,308
Honda CBR600F · 599cc	4,710	85.56%	30,651
Kawasaki ZX-6R · 599-636cc	4,510	81.62%	26,019
Suzuki SV650 · 646cc	3,834	80.99%	27,644

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

Suzuki GSX600 MOT questions

What is the MOT pass rate for the Suzuki GSX600?+

81.52% of Suzuki GSX600 MOT tests end in a pass, based on 487 tests in the DVSA dataset.

What is the most common MOT failure on a Suzuki GSX600?+

Not working, which appears in 34.5% 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.