Aprilia SR50 MOT pass rate and common failures

Aprilia SR50 motorcycles pass the MOT 76.15% of the time, measured across 327 tests in the DVSA record. A further 5.2% passed only after a defect was put right at the test station.

Worse than average: 10.7 points below the 86.87% figure for all motorcycles tested.

Pass rate 76.15% 249 of 327

Fixed at the station 5.2% passed after an on-the-spot repair

Average mileage at test 12,107 miles

Average age at test 13.9 years old

Engine 49cc MOT class 1 and 2

For sale now 0 Aprilia SR50 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 63.9% of failed tests on this model.
Then check has a serious fluid leak and does not illuminate by the operation of both brake controls, the next two most common reasons.
The most common advisory is has a serious fluid leak (11.9% of all tests) - not a failure, but money you will spend sooner or later.
Average recorded mileage at test is 12,107 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
6-10 years	72.88%	118
11-15 years	76.29%	97
16+ years	79.46%	112

Why the Aprilia SR50 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	63.9%	39
2	Has a serious fluid leak	27.9%	17
3	Does not illuminate by the operation of both brake controls	19.7%	12
4	Has excessive wear or free play	16.4%	10
5	Missing	14.8%	9
6	Contaminated	13.1%	8
7	Insecure	13.1%	8
8	Less than 1.0 mm thick	11.5%	7
9	Has excessive play	8.2%	5
10	Has negligible damping effect	8.2%	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	11.9%	39
2	Less than 1.0 mm thick	6.4%	21
3	Has excessive wear or free play	6.1%	20
4	Noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition	5.8%	19
5	Tread not clearly visible	5.8%	19
6	Is bent and the brake cannot be readily applied	4.9%	16
7	Has negligible damping effect	3.4%	11
8	Tread depth is below minimum requirements of 1.0mm	3.1%	10
9	Excessively stiff or notchy	2.8%	9
10	Indicates excessive fluctuation of brake effort	2.8%	9

Aprilia SR50 for sale

No Aprilia SR50 in stock at the moment - 202 other Aprilia bikes are advertised.

Used Aprilia SR50 Used Aprilia All Aprilia Aprilia MOT statistics

Similar bikes compared

Models of comparable capacity, so the comparison means something.

Model	Tests	Pass rate	Avg mileage
Piaggio VESPA 49cc · 48-50cc	1,852	84.23%	9,941
Piaggio ZIP · 51cc	1,179	76.34%	9,489
Peugeot KISBEE · 54cc	1,096	72.72%	9,978
Honda NSC 49cc · 49-50cc	1,005	82.29%	12,610
Peugeot SPEEDFIGHT 49cc · 49-50cc	781	70.17%	11,804
Lexmoto ECHO 50 E4 · 50cc	530	61.51%	6,253

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

Aprilia SR50 MOT questions

What is the MOT pass rate for the Aprilia SR50?+

76.15% of Aprilia SR50 MOT tests end in a pass, based on 327 tests in the DVSA dataset.

What is the most common MOT failure on a Aprilia SR50?+

Not working, which appears in 63.9% of failed tests on this model.

Does the Aprilia SR50 get harder to pass as it ages?+

At 16+ years old the pass rate is 79.46%, against 72.88% for examples 6-10 years old.

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.