Piaggio DIESIS
Real ownership data from 291 UK DIESIS motorcycles — mileage, MOT pass rates and the faults that actually come up, taken from DVSA test records rather than opinion.
Most common DIESIS problems
Ranked by how often each fault appears in this model's MOT history.
| Fault | Severity | Share of faults |
|---|---|---|
| Lights and indicators | major | 18% |
| Brakes | major | 13.2% |
| Suspension | major | 7.8% |
| Tyres | fail | 6.1% |
| Brake discs and pads | fail | 4.9% |
| Other | fail | 4.4% |
| Exhaust and emissions | major | 3.4% |
| Steering and head bearings | major | 3.2% |
Advisories (wear noted but not failed) are excluded above; the most common is suspension.
DIESIS 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 |
|---|---|---|---|---|
| 2004 | 13 | 6,696 mi | 743 | 88.1% |
| 2003 | 78 | 10,620 mi | 1,636 | 69.62% |
| 2002 | 191 | 8,648 mi | 1,185 | 75.75% |
| 2001 | 6 | 17,197 mi | 1,336 | 85.71% |
DIESIS questions, answered with data
What are the most common problems with the Piaggio DIESIS?
Across 291 UK examples, the most frequently recorded MOT faults are lights and indicators (18% of all recorded faults), brakes (13.2% of all recorded faults), suspension (7.8% of all recorded faults).
What is average mileage for a Piaggio DIESIS?
The median Piaggio DIESIS in the UK has covered 8,879 miles, and typically rides about 1,181 miles a year. Half of all examples fall between 5,526 and 14,046 miles.
Is the Piaggio DIESIS reliable?
74.63% of Piaggio DIESIS MOT tests are passed first time, with an average of 0.91 faults recorded per test. This is measured from DVSA MOT records, not owner opinion.
Based on DVSA MOT test records for 291 Piaggio DIESIS motorcycles registered in Great Britain and Northern Ireland. Contains public sector information licensed under the Open Government Licence v3.0.