Yamaha YN100
Real ownership data from 1,834 UK YN100 motorcycles — mileage, MOT pass rates and the faults that actually come up, taken from DVSA test records rather than opinion.
Most common YN100 problems
Ranked by how often each fault appears in this model's MOT history.
| Fault | Severity | Share of faults |
|---|---|---|
| Brake discs and pads | dangerous | 17.5% |
| Steering and head bearings | fail | 13.9% |
| Exhaust and emissions | major | 12% |
| Other | major | 10.9% |
| Suspension | major | 10.8% |
| Electrical | fail | 2.9% |
| Lights and indicators | minor | 2.9% |
| Tyres | prs | 2.6% |
Advisories (wear noted but not failed) are excluded above; the most common is corrosion.
YN100 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 | |
|---|---|---|---|---|
| 2005 | 28 | 8,731 mi | 740 | 80.56% |
| 2004 | 85 | 9,048 mi | 1,101 | 70.86% |
| 2003 | 216 | 8,655 mi | 850 | 73.49% |
| 2002 | 403 | 9,148 mi | 839 | 69.77% |
| 2001 | 551 | 9,157 mi | 922 | 69.61% |
| 2000 | 542 | 9,328 mi | 748 | 72.82% |
YN100 questions, answered with data
What are the most common problems with the Yamaha YN100?
Across 1,834 UK examples, the most frequently recorded MOT faults are brake discs and pads (17.5% of all recorded faults), steering and head bearings (13.9% of all recorded faults), exhaust and emissions (12% of all recorded faults).
What is average mileage for a Yamaha YN100?
The median Yamaha YN100 in the UK has covered 9,149 miles, and typically rides about 822 miles a year. Half of all examples fall between 5,733 and 13,570 miles.
Is the Yamaha YN100 reliable?
71.47% of Yamaha YN100 MOT tests are passed first time, with an average of 0.31 faults recorded per test. This is measured from DVSA MOT records, not owner opinion.
Based on DVSA MOT test records for 1,834 Yamaha YN100 motorcycles registered in Great Britain and Northern Ireland. Contains public sector information licensed under the Open Government Licence v3.0.