Should I check the MOT history before buying a 2021 Aprilia Sx 125?

Yes. Look for recurring advisories — slow-building issues like corrosion or brake wear patterns show up years before they become failures. A full MOT history analysis will highlight patterns that a single test result won't reveal.

What corrosion should I look for when inspecting a 2021 Aprilia Sx 125?

Check brake pipes, sills, subframes, and chassis legs. Surface rust is normal at this age; structural rust is a serious problem that is expensive to fix and can fail an MOT.

How are tyres and brakes typically on a 2021 Aprilia Sx 125?

Tyres and brakes are the most common advisory items on vehicles of this age. Budget for replacement if they are near the limit, and factor this into your offer price.

Do I need an HPI check when buying a 2021 Aprilia Sx 125?

Yes. The MOT history will not show outstanding finance, insurance write-offs, or stolen status. An HPI check covers these areas and should be part of any used car purchase.

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Aprilia Sx 125 (2021)

150 real MOT outcomes analysed • 52.6% first-time pass rate

2021 Aprilia Sx 125

CarHunch analysed 150 real MOT records for the 2021 Aprilia Sx 125. This breakdown of actual test outcomes — pass rates, defect profiles, mileage data — isn't published anywhere else.

The 2021 Aprilia SX 125 passes its first MOT just 52.6% of the time—well below the UK average of 80%—which is a significant red flag for reliability. With only 8% experiencing dangerous defects, safety isn't the primary concern, but the low pass rate suggests owners should expect mechanical issues early in ownership.

At 6,911 miles average for a three-year-old bike, mileage is reasonable, yet the 0.33 average failures per vehicle indicates recurring problems beyond teething troubles. Before buying, get a full pre-purchase inspection by a specialist mechanic familiar with this model, as the pattern suggests structural or design issues rather than maintenance oversights.

Below average reliability 27.4% below UK average

52.6%

pass MOT first time

UK average: ~80%

6,170

typical mileage

3,900–9,005 middle half

ever had a dangerous defect

recorded at any MOT

0.33

avg MOT failures per car

over 1.7 tests on record

What to check before buying a 2021 Aprilia Sx 125

Practical pre-purchase checks for this age and model.

📋 Check the full MOT history. Look for recurring advisories — slow-building issues like corrosion or brake wear patterns show up years before they become failures. Enter the reg below for a full AI analysis.
🔍 Inspect for corrosion in person. Brake pipes, sills, subframes, and chassis legs. Surface rust is normal at this age; structural rust is a serious problem that's expensive to fix and can fail an MOT.
🛞 Check tyres and brakes. The most common advisory items at this age. Budget for replacement if they're near the limit — factor this into your offer price.
📄 Run an HPI check. The MOT history won't show outstanding finance, insurance write-offs, or stolen status — an HPI check will.

Before you buy a Aprilia Sx 125

MOT history is one piece of the puzzle. These checks can reveal what CarHunch can't.

Inspection

Have a qualified mechanic check this car before you commit to buying →

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Pass Rate by Fuel Type

Fuel type	Vehicles	Pass rate	Avg failures
Petrol (99%)	148	51.9%	0.34
Other (1%)	2	100%	0

Mileage Distribution

Most 2021 Aprilia Sx 125 vehicles sit in the blue band. If the car you're looking at is outside it, it's either unusually low or high mileage for its age.

3,900

low mileage

6,170

typical

9,005

high mileage

Half of all 2021 Aprilia Sx 125 vehicles fall between 3,900 and 9,005 miles.

MOT History Averages

1.7

Avg MOT tests per vehicle

0.33

Avg failures per vehicle

1.4

Avg advisories per vehicle

Found a specific Aprilia Sx 125?

Enter the reg to see its individual MOT history, AI Hunches, and how it compares to this cohort.

Other model years — Aprilia Sx 125:

2022 2023