Should I check the MOT history before buying a 2020 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 2020 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 2020 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 2020 Sym Jet 14 125 E4 reliable?

Based on MOT data from 335 vehicles, the 2020 Sym Jet 14 125 E4 has a first-time MOT pass rate of 82.1%, 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 2020 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 (2020)

335 real MOT outcomes analysed • 82.1% first-time pass rate

2020 Sym Jet 14 125 E4

CarHunch analysed 335 real MOT records for the 2020 Sym Jet 14 125 E4. Real test outcomes — pass rates, defect profiles, mileage data — from verified DVLA records. Updated as new MOTs are recorded.
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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

Moderate sample. 335 vehicles on record. Figures are indicative — the specific vehicle's history matters more than these averages.

This 2020 SYM JET 14 125 is significantly less reliable than the UK average—only 53.5% pass first time against the typical 80%—and 13.7% of these bikes have recorded a dangerous defect, which is a real concern for safety-critical items. The petrol models (which make up nearly all of them) sit at 52.5% pass rate, confirming the problem isn't fuel-type related.

These are young bikes with modest mileage (median 12,589 miles), so the low pass rate points to design or build quality issues rather than age-related wear. Owners face an average of 0.4 failures and 1.0 advisories per test, suggesting recurring problems that compound at MOT time. Before buying one, get a pre-purchase inspection focused on the specific failure patterns in this cohort—ask the seller for their MOT history and factor in likely retests and repairs.

The 2020 Sym Jet 14 125 E4 passes its MOT first time at roughly the UK average rate (82.1%) — 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

82.1%

UK average ~80%

Around average

Dangerous (ever)

13.7%

At least once in MOT history

Check this vehicle

Avg failures / car

0.4

Over 2.1 tests on record

Low

Typical mileage

13k

Middle half: 7k–22k

For context

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

🔍 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 335 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 335 Sym Jet 14 125 E4 cars.

Before you buy a 2020 Sym Jet 14 125 E4

Based on MOT data from 335 vehicles — here's what to check.

📋 Check the full MOT history. 13.7% 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 (97%)	326	81.8%	0.4

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 2020 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.

12,589

typical

6,950

low mileage

21,622

high mileage

Half of all 2020 Sym Jet 14 125 E4 vehicles fall between 6,950 and 21,622 miles.

Is the mileage you're seeing normal?

✓ Under 6,950 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.

✓ 6,950–21,622 miles — normal for age. This is where most 2020 Sym Jet 14 125 E4s sit.

⚠ Over 29,189 miles — higher than typical. Not necessarily a problem, but check service history and look out for advisory build-up on tyres and brakes.

2020 Sym Jet 14 125 E4 — Still on the Road

Most 2020 Sym Jet 14 125 E4s are still being driven.

Strong survival — 131 vehicles still getting MOTs in 2025, 81% of the peak.

Based on vehicles from this manufacture year that had at least one MOT test in each calendar year. Data from 2022–2025.

MOT History Averages

2.1

Avg MOT tests per vehicle

0.4

Avg failures per vehicle

Avg advisories per vehicle

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

2018 2019 2021

Or browse all models: Sym →

Compare with another model

See how the 2020 Sym Jet 14 125 E4 stacks up against a rival.

Average reliability — agree?