Yamaha XT660
Real ownership data from 3,140 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 |
|---|---|---|
| Steering and head bearings | dangerous | 16.2% |
| Suspension | prs | 13.3% |
| Exhaust and emissions | major | 11.6% |
| Wheels | dangerous | 7.6% |
| Brake discs and pads | dangerous | 4% |
| Electrical | minor | 4% |
| Lights and indicators | dangerous | 3.3% |
| Frame and structure | fail | 2% |
Advisories (wear noted but not failed) are excluded above; the most common is frame and structure.
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 | 91.36% |
| 2012 | 98 | 14,555 mi | 1,050 | 87.26% |
| 2011 | 155 | 13,117 mi | 1,030 | 89.54% |
| 2010 | 165 | 16,204 mi | 1,221 | 86.56% |
| 2009 | 429 | 16,609 mi | 1,175 | 86.57% |
| 2008 | 351 | 17,516 mi | 1,114 | 86.26% |
| 2007 | 509 | 14,958 mi | 950 | 86.75% |
| 2006 | 396 | 15,750 mi | 994 | 84.44% |
| 2005 | 502 | 17,056 mi | 1,072 | 83.11% |
| 2004 | 369 | 18,790 mi | 1,333 | 82.77% |
| 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 | 84.09% |
| 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 3,140 UK examples, the most frequently recorded MOT faults are steering and head bearings (16.2% of all recorded faults), suspension (13.3% of all recorded faults), exhaust and emissions (11.6% of all recorded faults).
What is average mileage for a Yamaha XT660?
The median Yamaha XT660 in the UK has covered 16,330 miles, and typically rides about 1,100 miles a year. Half of all examples fall between 9,204 and 26,478 miles.
Is the Yamaha XT660 reliable?
85.44% of Yamaha XT660 MOT tests are passed first time, with an average of 0.01 faults recorded per test. This is measured from DVSA MOT records, not owner opinion.
Based on DVSA MOT test records for 3,140 Yamaha XT660 motorcycles registered in Great Britain and Northern Ireland. Contains public sector information licensed under the Open Government Licence v3.0.