Data as of: DVSA MOT results to 2025
KTM 660 S/C S/M: MOT pass rate by registration year
Which 660 S/C S/M years pass first time, and which fall short of the model's 82.0% average, from 695 DVSA tests.
Pass rate by registration year
Highest pass rate: 2003 (86.7% of 83 tests). Lowest: 2005 (79.9% of 299). Years more than two points below the model average: 2005.
| Registered | Tests | First-time pass | vs model (82.0%) |
|---|---|---|---|
| 2003 | 83 | 86.7% | +4.7 pp |
| 2004 | 165 | 80.6% | -1.4 pp |
| 2005 | 299 | 79.9% | -2.1 pp |
| 2006 | 113 | 85.8% | +3.8 pp |
Older cohorts are survivors: the worst examples have already left the road, which tends to lift the earliest years. A first-time MOT pass is a roadworthiness check, not a full mechanical inspection.
Pass rate over time
Questions
- Which 660 S/C S/M years have the lowest MOT pass rate?
- 2005 registered examples pass first time less often than the KTM 660 S/C S/M overall (82.0%); the 2005 cohort is lowest at 79.9% from 299 tests.
- Which 660 S/C S/M year has the highest MOT pass rate?
- 2003, at 86.7% of 83 first tests (2005–2025). Years more than two points above the model average: 2003, 2006.
- How much does the 660 S/C S/M pass rate vary by year?
- 6.8 percentage points between the highest (2003, 86.7%) and lowest (2005, 79.9%) cohorts with at least 50 tests. Older cohorts are survivors: the worst examples have already left the road, which tends to lift the earliest years.
Full report: KTM 660 S/C S/M reliability, failures and mileage · ranked #3181 of 5428 models· other KTM models: 950, 125, 640 LC4-E, 450 Exc, 250 Exc, Super Duke 990