Yamaha DT 50 MX
Real ownership data from 200 UK DT 50 MX motorcycles — mileage, MOT pass rates and the faults that actually come up, taken from DVSA test records rather than opinion.
Most common DT 50 MX problems
Ranked by how often each fault appears in this model's MOT history.
| Fault | Severity | Share of faults |
|---|---|---|
| Lights and indicators | major | 19.4% |
| Brakes | dangerous | 8.5% |
| Wheels | fail | 4.2% |
| Chain and sprockets | fail | 4.1% |
| Other | fail | 4% |
| Steering and head bearings | fail | 3.8% |
| Electrical | fail | 2.9% |
| Suspension | fail | 2.8% |
Advisories (wear noted but not failed) are excluded above; the most common is wheels.
DT 50 MX 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 |
|---|---|---|---|---|
| 1999 | 5 | 18,920 mi | 286 | 66.67% |
| 1996 | 29 | 14,160 mi | 1,385 | 58.33% |
| 1995 | 67 | 26,101 mi | 1,185 | 71.43% |
| 1994 | 7 | 27,257 mi | 784 | 60% |
| 1993 | 5 | 19,876 mi | 738 | 50% |
| 1990 | 9 | 24,608 mi | 780 | 72.73% |
| 1989 | 11 | 23,257 mi | 1,065 | 72.55% |
| 1988 | 8 | 21,315 mi | 1,120 | 53.13% |
| 1987 | 8 | 31,150 mi | 1,126 | 75% |
| 1986 | 12 | 18,794 mi | 122 | 65.52% |
| 1985 | 5 | 14,413 mi | 571 | 59.09% |
DT 50 MX questions, answered with data
What are the most common problems with the Yamaha DT 50 MX?
Across 200 UK examples, the most frequently recorded MOT faults are lights and indicators (19.4% of all recorded faults), brakes (8.5% of all recorded faults), wheels (4.2% of all recorded faults).
What is average mileage for a Yamaha DT 50 MX?
The median Yamaha DT 50 MX in the UK has covered 20,635 miles, and typically rides about 838 miles a year. Half of all examples fall between 15,534 and 29,048 miles.
Is the Yamaha DT 50 MX reliable?
65.67% of Yamaha DT 50 MX MOT tests are passed first time, with an average of 2.01 faults recorded per test. This is measured from DVSA MOT records, not owner opinion.
Based on DVSA MOT test records for 200 Yamaha DT 50 MX motorcycles registered in Great Britain and Northern Ireland. Contains public sector information licensed under the Open Government Licence v3.0.