SYM DD50
Real ownership data from 1,849 UK DD50 motorcycles — mileage, MOT pass rates and the faults that actually come up, taken from DVSA test records rather than opinion.
Most common DD50 problems
Ranked by how often each fault appears in this model's MOT history.
| Fault | Severity | Share of faults |
|---|---|---|
| Brakes | major | 12.5% |
| Lights and indicators | major | 10.6% |
| Tyres | fail | 4.8% |
| Brake discs and pads | fail | 4.1% |
| Suspension | major | 3.4% |
| Other | fail | 3.2% |
| Exhaust and emissions | fail | 2.7% |
| Steering and head bearings | fail | 0.9% |
Advisories (wear noted but not failed) are excluded above; the most common is brakes.
DD50 mileage and reliability by year
Use this to judge whether a specific bike is high or low mileage for its age.
| Year | Examples | Median mileage | Miles/year | First-time pass |
|---|---|---|---|---|
| 2012 | 10 | 5,372 mi | 889 | 80.49% |
| 2011 | 17 | 11,548 mi | 2,260 | 67.95% |
| 2010 | 30 | 7,711 mi | 2,250 | 79.44% |
| 2009 | 57 | 12,026 mi | 2,324 | 76.44% |
| 2008 | 53 | 10,611 mi | 1,588 | 77.14% |
| 2007 | 58 | 10,420 mi | 1,154 | 78.21% |
| 2006 | 77 | 7,893 mi | 1,250 | 73.9% |
| 2005 | 334 | 8,858 mi | 1,491 | 75.73% |
| 2004 | 491 | 8,420 mi | 1,458 | 72.35% |
| 2003 | 360 | 9,207 mi | 1,687 | 73.35% |
| 2002 | 351 | 8,941 mi | 1,224 | 73.85% |
DD50 questions, answered with data
What are the most common problems with the SYM DD50?
Across 1,849 UK examples, the most frequently recorded MOT faults are brakes (12.5% of all recorded faults), lights and indicators (10.6% of all recorded faults), tyres (4.8% of all recorded faults).
What is average mileage for a SYM DD50?
The median SYM DD50 in the UK has covered 8,829 miles, and typically rides about 1,470 miles a year. Half of all examples fall between 5,326 and 13,666 miles.
Is the SYM DD50 reliable?
74.17% of SYM DD50 MOT tests are passed first time, with an average of 1.19 faults recorded per test. This is measured from DVSA MOT records, not owner opinion.
Based on DVSA MOT test records for 1,849 SYM DD50 motorcycles registered in Great Britain and Northern Ireland. Contains public sector information licensed under the Open Government Licence v3.0.