SYM JD
Real ownership data from 193 UK JD motorcycles — mileage, MOT pass rates and the faults that actually come up, taken from DVSA test records rather than opinion.
Most common JD problems
Ranked by how often each fault appears in this model's MOT history.
| Fault | Severity | Share of faults |
|---|---|---|
| Brakes | major | 15% |
| Lights and indicators | dangerous | 9.5% |
| Tyres | dangerous | 7.3% |
| Brake discs and pads | dangerous | 6% |
| Exhaust and emissions | major | 5.5% |
| Electrical | major | 4.6% |
| Steering and head bearings | dangerous | 4% |
| Other | dangerous | 2.6% |
Advisories (wear noted but not failed) are excluded above; the most common is brake discs and pads.
JD 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 | |
|---|---|---|---|---|
| 2019 | 7 | 5,912 mi | 243 | 55.56% |
| 2018 | 40 | 5,768 mi | 966 | 72.32% |
| 2017 | 36 | 7,702 mi | 1,310 | 73.73% |
| 2016 | 53 | 6,827 mi | 1,084 | 72% |
| 2015 | 19 | 7,906 mi | 1,296 | 69.23% |
| 2014 | 27 | 7,175 mi | 705 | 68.92% |
| 2013 | 6 | 6,652 mi | 1,442 | 90% |
JD questions, answered with data
What are the most common problems with the SYM JD?
Across 193 UK examples, the most frequently recorded MOT faults are brakes (15% of all recorded faults), lights and indicators (9.5% of all recorded faults), tyres (7.3% of all recorded faults).
What is average mileage for a SYM JD?
The median SYM JD in the UK has covered 6,873 miles, and typically rides about 1,068 miles a year. Half of all examples fall between 3,749 and 9,964 miles.
Is the SYM JD reliable?
71.97% of SYM JD MOT tests are passed first time, with an average of 0.63 faults recorded per test. This is measured from DVSA MOT records, not owner opinion.
Based on DVSA MOT test records for 193 SYM JD motorcycles registered in Great Britain and Northern Ireland. Contains public sector information licensed under the Open Government Licence v3.0.