SYM Jet 14 125
Real ownership data from 4,193 UK Jet 14 125 motorcycles — mileage, MOT pass rates and the faults that actually come up, taken from DVSA test records rather than opinion.
Most common Jet 14 125 problems
Ranked by how often each fault appears in this model's MOT history.
| Fault | Severity | Share of faults |
|---|---|---|
| Brake discs and pads | dangerous | 11% |
| Controls and cables | major | 9.6% |
| Suspension | dangerous | 8.2% |
| Steering and head bearings | dangerous | 7.5% |
| Wheels | major | 6.2% |
| Frame and structure | dangerous | 5.5% |
| Brakes | dangerous | 2.7% |
| Corrosion | major | 2.1% |
Advisories (wear noted but not failed) are excluded above; the most common is frame and structure.
Jet 14 125 mileage and reliability by year
Use this to judge whether a specific bike is high or low mileage for its age.
| YearYear | MedianMedian mileage | Mi/yrMiles/year | MOT passFirst-time pass | |
|---|---|---|---|---|
| 2026 | 325 | — | — | — |
| 2025 | 343 | 162 mi | — | 100% |
| 2024 | 597 | 8,887 mi | 7,141 | 100% |
| 2023 | 355 | 6,710 mi | 4,372 | 72.03% |
| 2022 | 600 | 8,833 mi | 2,434 | 72.58% |
| 2021 | 777 | 10,504 mi | 2,508 | 75% |
| 2020 | 520 | 10,680 mi | 2,081 | 75.98% |
| 2019 | 323 | 10,868 mi | 2,097 | 74.92% |
| 2018 | 263 | 11,920 mi | 3,091 | 76.95% |
| 2017 | 90 | 10,238 mi | 3,042 | 76.52% |
Jet 14 125 questions, answered with data
What are the most common problems with the SYM Jet 14 125?
Across 4,193 UK examples, the most frequently recorded MOT faults are brake discs and pads (11% of all recorded faults), controls and cables (9.6% of all recorded faults), suspension (8.2% of all recorded faults).
What is average mileage for a SYM Jet 14 125?
The median SYM Jet 14 125 in the UK has covered 10,058 miles, and typically rides about 2,379 miles a year. Half of all examples fall between 5,314 and 17,348 miles.
Is the SYM Jet 14 125 reliable?
75.18% of SYM Jet 14 125 MOT tests are passed first time, with an average of 0.03 faults recorded per test. This is measured from DVSA MOT records, not owner opinion.
Based on DVSA MOT test records for 4,193 SYM Jet 14 125 motorcycles registered in Great Britain and Northern Ireland. Contains public sector information licensed under the Open Government Licence v3.0.