KTM 660 S C S M
Real ownership data from 173 UK 660 S C S M motorcycles — mileage, MOT pass rates and the faults that actually come up, taken from DVSA test records rather than opinion.
Most common 660 S C S M problems
Ranked by how often each fault appears in this model's MOT history.
| Fault | Severity | Share of faults |
|---|---|---|
| Lights and indicators | major | 23.3% |
| Other | major | 9.8% |
| Suspension | major | 2.8% |
| Tyres | dangerous | 2.3% |
| Brakes | fail | 2.2% |
| Electrical | major | 2.2% |
| Steering and head bearings | dangerous | 1.4% |
| Exhaust and emissions | fail | 0.6% |
Advisories (wear noted but not failed) are excluded above; the most common is exhaust and emissions.
660 S C S M 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 |
|---|---|---|---|---|
| 2007 | 13 | 1,696 mi | 266 | 81.25% |
| 2006 | 41 | 3,255 mi | 380 | 86.4% |
| 2005 | 72 | 6,030 mi | 574 | 80.5% |
| 2004 | 33 | 5,399 mi | 348 | 81.03% |
| 2003 | 12 | 5,987 mi | 250 | 87.21% |
660 S C S M questions, answered with data
What are the most common problems with the KTM 660 S C S M?
Across 173 UK examples, the most frequently recorded MOT faults are lights and indicators (23.3% of all recorded faults), other (9.8% of all recorded faults), suspension (2.8% of all recorded faults).
What is average mileage for a KTM 660 S C S M?
The median KTM 660 S C S M in the UK has covered 5,387 miles, and typically rides about 388 miles a year. Half of all examples fall between 2,879 and 8,314 miles.
Is the KTM 660 S C S M reliable?
82.64% of KTM 660 S C S M MOT tests are passed first time, with an average of 0.76 faults recorded per test. This is measured from DVSA MOT records, not owner opinion.
Based on DVSA MOT test records for 173 KTM 660 S C S M motorcycles registered in Great Britain and Northern Ireland. Contains public sector information licensed under the Open Government Licence v3.0.