Yamaha YFM 660
Real ownership data from 532 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 | fail | 40.3% |
| Electrical | major | 8.9% |
| Controls and cables | major | 6.8% |
| Tyres | fail | 6.7% |
| Chain and sprockets | user entered | 6.3% |
| Steering and head bearings | fail | 5.4% |
| Exhaust and emissions | major | 4.8% |
| Brakes | major | 4.7% |
Advisories (wear noted but not failed) are excluded above; the most common is fluid leaks.
YFM 660 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 | |
|---|---|---|---|---|
| 2008 | 13 | 8,759 mi | 2,524 | 79.66% |
| 2007 | 20 | 2,440 mi | 292 | 79.49% |
| 2006 | 98 | 2,506 mi | 492 | 75.69% |
| 2005 | 258 | 2,310 mi | 448 | 81.77% |
| 2004 | 58 | 4,568 mi | 514 | 86.11% |
| 2003 | 27 | 2,980 mi | 231 | 77.78% |
| 2002 | 21 | 1,720 mi | 201 | 74.14% |
| 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 532 UK examples, the most frequently recorded MOT faults are lights and indicators (40.3% of all recorded faults), electrical (8.9% of all recorded faults), controls and cables (6.8% of all recorded faults).
What is average mileage for a Yamaha YFM 660?
The median Yamaha YFM 660 in the UK has covered 2,600 miles, and typically rides about 446 miles a year. Half of all examples fall between 606 and 7,485 miles.
Is the Yamaha YFM 660 reliable?
81.08% of Yamaha YFM 660 MOT tests are passed first time, with an average of 0.43 faults recorded per test. This is measured from DVSA MOT records, not owner opinion.
Based on DVSA MOT test records for 532 Yamaha YFM 660 motorcycles registered in Great Britain and Northern Ireland. Contains public sector information licensed under the Open Government Licence v3.0.