Yamaha CHAPPY
Real ownership data from 55 UK CHAPPY motorcycles — mileage, MOT pass rates and the faults that actually come up, taken from DVSA test records rather than opinion.
Most common CHAPPY problems
Ranked by how often each fault appears in this model's MOT history.
| Fault | Severity | Share of faults |
|---|---|---|
| Lights and indicators | major | 16.9% |
| Tyres | fail | 10.9% |
| Suspension | major | 8.8% |
| Brakes | fail | 7.7% |
| Electrical | major | 3.3% |
| Steering and head bearings | major | 3.3% |
| Chain and sprockets | major | 2.7% |
| Wheels | fail | 2.2% |
Advisories (wear noted but not failed) are excluded above; the most common is suspension.
CHAPPY 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 |
|---|---|---|---|---|
| 1984 | 6 | 7,712 mi | 136 | 81.82% |
| 1983 | 7 | 5,796 mi | 46 | 78.26% |
| 1982 | 7 | 6,575 mi | 55 | 88.1% |
| 1981 | 5 | 6,847 mi | 10 | 81.25% |
CHAPPY questions, answered with data
What are the most common problems with the Yamaha CHAPPY?
Across 55 UK examples, the most frequently recorded MOT faults are lights and indicators (16.9% of all recorded faults), tyres (10.9% of all recorded faults), suspension (8.8% of all recorded faults).
What is average mileage for a Yamaha CHAPPY?
The median Yamaha CHAPPY in the UK has covered 5,267 miles, and typically rides about 46 miles a year. Half of all examples fall between 2,024 and 7,669 miles.
Is the Yamaha CHAPPY reliable?
87.25% of Yamaha CHAPPY MOT tests are passed first time, with an average of 0.67 faults recorded per test. This is measured from DVSA MOT records, not owner opinion.
Based on DVSA MOT test records for 55 Yamaha CHAPPY motorcycles registered in Great Britain and Northern Ireland. Contains public sector information licensed under the Open Government Licence v3.0.