Yamaha XT660
Real ownership data from 3,134 UK XT660 motorcycles — mileage, MOT pass rates and the faults that actually come up, taken from DVSA test records rather than opinion.
Most common XT660 problems
Ranked by how often each fault appears in this model's MOT history.
| Fault | Severity | Share of faults |
|---|---|---|
| Other | fail | 22.9% |
| Exhaust and emissions | major | 11.5% |
| Steering and head bearings | dangerous | 9.8% |
| Controls and cables | fail | 7.7% |
| Electrical | fail | 6.8% |
| Suspension | prs | 5.4% |
| Brake discs and pads | major | 4.9% |
| Frame and structure | fail | 3.3% |
Advisories (wear noted but not failed) are excluded above; the most common is fork seals.
XT660 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 | |
|---|---|---|---|---|
| 2014 | 11 | 9,851 mi | 1,140 | 85.71% |
| 2013 | 86 | 11,710 mi | 936 | 91.34% |
| 2012 | 98 | 14,555 mi | 1,028 | 87.17% |
| 2011 | 155 | 13,117 mi | 1,030 | 89.54% |
| 2010 | 164 | 15,893 mi | 1,208 | 86.43% |
| 2009 | 427 | 16,609 mi | 1,180 | 86.63% |
| 2008 | 350 | 17,548 mi | 1,119 | 86.17% |
| 2007 | 508 | 14,954 mi | 954 | 86.81% |
| 2006 | 396 | 15,731 mi | 997 | 84.44% |
| 2005 | 502 | 17,056 mi | 1,072 | 83.16% |
| 2004 | 368 | 18,924 mi | 1,338 | 82.82% |
| 2003 | 6 | 16,990 mi | 2,048 | 88.89% |
| 2001 | 10 | 26,436 mi | 1,083 | 82.14% |
| 1995 | 5 | 32,767 mi | 1,128 | 85.29% |
| 1993 | 6 | 22,141 mi | 324 | 87.76% |
| 1992 | 8 | 35,288 mi | 260 | 83.72% |
| 1991 | 8 | 31,716 mi | 1,386 | 87.5% |
XT660 questions, answered with data
What are the most common problems with the Yamaha XT660?
Across 3,134 UK examples, the most frequently recorded MOT faults are other (22.9% of all recorded faults), exhaust and emissions (11.5% of all recorded faults), steering and head bearings (9.8% of all recorded faults).
What is average mileage for a Yamaha XT660?
The median Yamaha XT660 in the UK has covered 16,225 miles, and typically rides about 1,101 miles a year. Half of all examples fall between 9,194 and 26,366 miles.
Is the Yamaha XT660 reliable?
85.45% of Yamaha XT660 MOT tests are passed first time, with an average of 0.03 faults recorded per test. This is measured from DVSA MOT records, not owner opinion.
Based on DVSA MOT test records for 3,134 Yamaha XT660 motorcycles registered in Great Britain and Northern Ireland. Contains public sector information licensed under the Open Government Licence v3.0.