Should I check the MOT history before buying a 2018 Sym Jet 14 125 E4?

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 2018 Sym Jet 14 125 E4?

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 2018 Sym Jet 14 125 E4?

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 2018 Sym Jet 14 125 E4 reliable?

Based on MOT data from 226 vehicles, the 2018 Sym Jet 14 125 E4 has a first-time MOT pass rate of 82.8%, 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 2018 Sym Jet 14 125 E4?

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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Sym Jet 14 125 E4 (2018)

226 real MOT outcomes analysed • 82.8% first-time pass rate

2018 Sym Jet 14 125 E4

CarHunch analysed 226 real MOT records for the 2018 Sym Jet 14 125 E4. Real test outcomes — pass rates, defect profiles, mileage data — from verified DVLA records. Updated as new MOTs are recorded.
Which year to buy? →

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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

The 2018 SYM JET 14 125 doesn't inspire confidence—its 55.7% first-time pass rate sits well below the UK average of 80%, and nearly one in five examples have recorded dangerous defects, which should give any buyer pause. This isn't a reliability standout; you're looking at a vehicle that regularly fails its MOT rather than passes it cleanly.

At just over 13,000 miles median mileage, these bikes are relatively young and lightly used, yet they're still averaging 0.49 failures and 1.5 advisories each, suggesting design or build quality issues rather than age-related wear. Before committing to one, insist on a full pre-purchase inspection by a qualified motorcycle mechanic and ask the seller specifically what defects have been rectified at previous MOTs—you need to know what you're inheriting.

We have limited data for the 2018 Sym Jet 14 125 E4 — treat the figures below as indicative rather than definitive.

⚠️ 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

82.8%

UK average ~80%

Around average

Dangerous (ever)

19%

At least once in MOT history

Check this vehicle

Avg failures / car

0.49

Over 2.7 tests on record

Low

Typical mileage

13k

Middle half: 8k–18k

For context

These stats describe 226 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 226 Sym Jet 14 125 E4 cars.

Before you buy a 2018 Sym Jet 14 125 E4

Based on MOT data from 226 vehicles — here's what to check.

📋 Check the full MOT history. 19% 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%)	223	82.9%	0.48

Colour Breakdown

Based on 1,017 Sym Jet 14 125 E4 vehicles registered in the UK — across all years. From DVLA registration records.

Black 28.7%

292

Blue 25.8%

262

Red 25.5%

259

White 20.1%

204

Mileage Distribution

Most 2018 Sym Jet 14 125 E4 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.

13,181

typical

7,808

low mileage

18,305

high mileage

Half of all 2018 Sym Jet 14 125 E4 vehicles fall between 7,808 and 18,305 miles.

Is the mileage you're seeing normal?

✓ Under 7,808 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.

✓ 7,808–18,305 miles — normal for age. This is where most 2018 Sym Jet 14 125 E4s sit.

⚠ Over 24,711 miles — higher than typical. Not necessarily a problem, but check service history and look out for advisory build-up on tyres and brakes.

2018 Sym Jet 14 125 E4 — Still on the Road

Numbers are thinning — 44% of 2018 Sym Jet 14 125 E4s are still active.

Numbers are declining — 55 vehicles still getting MOTs in 2025 (44% of peak).

Based on vehicles from this manufacture year that had at least one MOT test in each calendar year. Data from 2021–2025.

MOT History Averages

2.7

Avg MOT tests per vehicle

0.49

Avg failures per vehicle

1.5

Avg advisories per vehicle

Other model years — Sym Jet 14 125 E4: All Jet 14 125 E4 years → Which year to buy? →

2019 2020 2021

Or browse all models: Sym →

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Average reliability — agree?