Should I check the MOT history before buying a 2013 Sym Ad12w Jet 4 125?

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 2013 Sym Ad12w Jet 4 125?

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 2013 Sym Ad12w Jet 4 125?

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.

Is the 2013 Sym Ad12w Jet 4 125 reliable?

Based on MOT data from 384 vehicles, the 2013 Sym Ad12w Jet 4 125 has a first-time MOT pass rate of 81.5%, indicating generally reliable for its class. Always check the full MOT history of any specific vehicle before buying.

Do I need an HPI check when buying a 2013 Sym Ad12w Jet 4 125?

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.

CarHunch

Get Started

Sym Ad12w Jet 4 125 (2013)

384 real MOT outcomes analysed • 81.5% first-time pass rate

2013 Sym Ad12w Jet 4 125

CarHunch analysed 384 real MOT records for the 2013 Sym Ad12w Jet 4 125. Real test outcomes — pass rates, defect profiles, mileage data — from verified DVLA records. Updated as new MOTs are recorded.
Which year to buy? →

On this page

AI Analysis Reliability Overview Check a Specific Reg Buyer's Checklist Pass Rate by Fuel Mileage Distribution Still on the Road MOT Averages Colour Breakdown Compare Models

Moderate sample. 384 vehicles on record. Figures are indicative — the specific vehicle's history matters more than these averages.

This 2013 SYM AD12W JET 4 125 is substantially less reliable than the UK average, with a first-time MOT pass rate of just 53.5% against the national benchmark of 80%—meaning roughly half fail their test. While dangerous defects affect only 13.5% of the cohort, the consistently poor pass rate suggests systemic reliability issues across this model rather than isolated problem cases.

At around 15,600 miles on average, these scooters are moderately used for their age, yet they're accumulating 0.66 failures and 2.6 advisories per vehicle, indicating wear and maintenance problems appear early. If you're considering one, budget for repairs before the next MOT and have a pre-purchase inspection focus on the electrical and fuel systems, which typically drive failures on 125cc scooters of this era.

The 2013 Sym Ad12w Jet 4 125 passes its MOT first time at roughly the UK average rate (81.5%) — solid but worth checking this vehicle's history carefully.

⚠️ Around 1 in 8 of these vehicles have had a dangerous MOT failure at some point — usually tyres or brakes, and often a one-off issue rather than a persistent problem. The group stats won't tell you which one you're looking at.

First-time pass

81.5%

UK average ~80%

Around average

Dangerous (ever)

13.5%

At least once in MOT history

Check this vehicle

Avg failures / car

0.66

Over 3.4 tests on record

Moderate

Typical mileage

15k

Middle half: 9k–20k

For context

🔧 Average reliability. Passes at roughly the UK rate — not a standout, not a problem vehicle. Individual history makes all the difference.

🔧 Expect consumable spend. An average of 2.6 advisories per vehicle tells you wear items (tyres, brakes) get flagged regularly. Budget for them — they're not surprises.

🔍 The dangerous defect figure is real. Most are one-off tyre failures or brake issues — not structural problems. But it's exactly why checking the individual vehicle's history is essential, not optional.

These stats describe 384 vehicles as a group. The specific vehicle you're looking at could be the one good example or the one outlier. Run its registration to find out.

Average reliability — agree?

See this vehicle's full MOT history & AI hunches

Spot recurring advisories, hidden issues, and how it compares to 384 Sym Ad12w Jet 4 125 cars.

Before you buy a 2013 Sym Ad12w Jet 4 125

Based on MOT data from 384 vehicles — here's what to check.

📋 Check the full MOT history. 13.5% of these vehicles have had a dangerous defect recorded - recurring advisories often signal problems years before they become failures.
Search the reg on CarHunch for the full MOT history, reliability stats and a free AI-powered analysis of that exact vehicle.
🔍 Brake pipes, sills and subframes are the key areas on a vehicle this age — structural rust is hard to spot without getting underneath. A mechanic will check all of this before you commit, and give you a concrete basis to negotiate on price. Inspection →
📄 Outstanding finance, insurance write-offs and clocking won't appear in the MOT records — a dedicated history check covers all of this. Our link gets you 20% off automatically. History Get 20% off via CarHunch

Pass Rate by Fuel Type

Fuel type	Vehicles	Pass rate	Avg failures
Petrol (99%)	382	81.5%	0.66

Colour Breakdown

Based on 1,345 Sym Ad12w Jet 4 125 vehicles registered in the UK — across all years. From DVLA registration records.

Blue 25.1%

337

Red 24.8%

333

Black 23.6%

318

White 17.5%

236

Grey 4.9%

Yellow 3.6%

Multi-colour 0.5%

Mileage Distribution

Most 2013 Sym Ad12w Jet 4 125 vehicles sit in the blue band. If the vehicle you're looking at is outside it, it's either unusually low or high mileage for its age.

14,601

typical

8,874

low mileage

20,337

high mileage

Half of all 2013 Sym Ad12w Jet 4 125 vehicles fall between 8,874 and 20,337 miles.

Is the mileage you're seeing normal?

✓ Under 8,874 miles — lower than most. Could be great, or could be a vehicle that rarely moved. Check test frequency and mileage progression in the MOT history.

✓ 8,874–20,337 miles — normal for age. This is where most 2013 Sym Ad12w Jet 4 125s sit.

⚠ Over 27,454 miles — higher than typical. Not necessarily a problem, but check service history and look out for advisory build-up on tyres and brakes.

2013 Sym Ad12w Jet 4 125 — Still on the Road

Numbers are thinning — 9% of 2013 Sym Ad12w Jet 4 125s are still active.

Numbers are declining — 21 vehicles still getting MOTs in 2025 (9% of peak).

Based on vehicles from this manufacture year that had at least one MOT test in each calendar year. Data from 2016–2025.
* The 2020 dip reflects the government's COVID-19 MOT exemption, which allowed certificates to be extended by six months — fewer tests were conducted that year.

MOT History Averages

3.4

Avg MOT tests per vehicle

0.66

Avg failures per vehicle

2.6

Avg advisories per vehicle

Other model years — Sym Ad12w Jet 4 125: All Ad12w Jet 4 125 years → Which year to buy? →

2011 2012 2014 2015

Or browse all models: Sym →

Compare with another model

See how the 2013 Sym Ad12w Jet 4 125 stacks up against a rival.

Average reliability — agree?