Yamaha YFM 660
Real ownership data from 531 UK YFM 660 motorcycles — mileage, MOT pass rates and the faults that actually come up, taken from DVSA test records rather than opinion.
Most common YFM 660 problems
Ranked by how often each fault appears in this model's MOT history.
| Fault | Severity | Share of faults |
|---|---|---|
| Lights and indicators | major | 17.8% |
| Other | major | 10.7% |
| Brakes | dangerous | 8.4% |
| Suspension | major | 6.4% |
| Electrical | major | 2.5% |
| Tyres | fail | 2% |
| Chain and sprockets | user entered | 2% |
| Controls and cables | fail | 1.8% |
Advisories (wear noted but not failed) are excluded above; the most common is suspension.
YFM 660 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 |
|---|---|---|---|---|
| 2008 | 13 | 8,759 mi | 2,524 | 79.66% |
| 2007 | 20 | 2,440 mi | 292 | 79.49% |
| 2006 | 98 | 2,506 mi | 492 | 75.47% |
| 2005 | 257 | 2,266 mi | 455 | 81.69% |
| 2004 | 58 | 4,568 mi | 514 | 86.06% |
| 2003 | 27 | 2,980 mi | 231 | 77.78% |
| 2002 | 21 | 1,720 mi | 201 | 73.68% |
| 2001 | 11 | 2,001 mi | 457 | 90.48% |
YFM 660 questions, answered with data
What are the most common problems with the Yamaha YFM 660?
Across 531 UK examples, the most frequently recorded MOT faults are lights and indicators (17.8% of all recorded faults), other (10.7% of all recorded faults), brakes (8.4% of all recorded faults).
What is average mileage for a Yamaha YFM 660?
The median Yamaha YFM 660 in the UK has covered 2,581 miles, and typically rides about 447 miles a year. Half of all examples fall between 603 and 7,261 miles.
Is the Yamaha YFM 660 reliable?
80.97% of Yamaha YFM 660 MOT tests are passed first time, with an average of 1.38 faults recorded per test. This is measured from DVSA MOT records, not owner opinion.
Based on DVSA MOT test records for 531 Yamaha YFM 660 motorcycles registered in Great Britain and Northern Ireland. Contains public sector information licensed under the Open Government Licence v3.0.