Yamaha DT50
Real ownership data from 864 UK DT50 motorcycles — mileage, MOT pass rates and the faults that actually come up, taken from DVSA test records rather than opinion.
Most common DT50 problems
Ranked by how often each fault appears in this model's MOT history.
| Fault | Severity | Share of faults |
|---|---|---|
| Chain and sprockets | fail | 21.3% |
| Brakes | minor | 9.3% |
| Brake discs and pads | fail | 8.9% |
| Tyres | user entered | 7.8% |
| Lights and indicators | major | 6.9% |
| Steering and head bearings | dangerous | 4.5% |
| Electrical | prs | 3.8% |
| Frame and structure | major | 2.7% |
Advisories (wear noted but not failed) are excluded above; the most common is corrosion.
DT50 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 | |
|---|---|---|---|---|
| 2007 | 7 | 5,345 mi | 2,380 | 72.73% |
| 2006 | 13 | 5,611 mi | 1,369 | 52% |
| 2005 | 40 | 5,184 mi | 1,480 | 55.83% |
| 2004 | 46 | 5,888 mi | 467 | 56.02% |
| 2003 | 33 | 8,526 mi | 1,714 | 54.61% |
| 2002 | 11 | 9,247 mi | 1,035 | 57.58% |
| 2000 | 10 | 13,340 mi | 1,215 | 68.18% |
| 1996 | 17 | 21,289 mi | 772 | 68.09% |
| 1995 | 31 | 18,274 mi | 586 | 65.67% |
| 1994 | 47 | 21,444 mi | 454 | 66.19% |
| 1993 | 29 | 22,785 mi | 609 | 59.43% |
| 1992 | 22 | 19,833 mi | 440 | 59.7% |
| 1991 | 47 | 17,177 mi | 496 | 64.48% |
| 1990 | 90 | 24,154 mi | 475 | 62.35% |
| 1989 | 93 | 23,826 mi | 674 | 63.94% |
| 1988 | 69 | 23,404 mi | 271 | 65.29% |
| 1987 | 52 | 21,742 mi | 349 | 64.37% |
| 1986 | 36 | 19,289 mi | 436 | 66.36% |
| 1985 | 22 | 20,622 mi | 337 | 68.83% |
| 1984 | 29 | 22,379 mi | 296 | 64.2% |
DT50 questions, answered with data
What are the most common problems with the Yamaha DT50?
Across 864 UK examples, the most frequently recorded MOT faults are chain and sprockets (21.3% of all recorded faults), brakes (9.3% of all recorded faults), brake discs and pads (8.9% of all recorded faults).
What is average mileage for a Yamaha DT50?
The median Yamaha DT50 in the UK has covered 19,114 miles, and typically rides about 470 miles a year. Half of all examples fall between 11,362 and 27,261 miles.
Is the Yamaha DT50 reliable?
63.08% of Yamaha DT50 MOT tests are passed first time, with an average of 0.25 faults recorded per test. This is measured from DVSA MOT records, not owner opinion.
Based on DVSA MOT test records for 864 Yamaha DT50 motorcycles registered in Great Britain and Northern Ireland. Contains public sector information licensed under the Open Government Licence v3.0.