Kawasaki BN125
Real ownership data from 88 UK BN125 motorcycles — mileage, MOT pass rates and the faults that actually come up, taken from DVSA test records rather than opinion.
Most common BN125 problems
Ranked by how often each fault appears in this model's MOT history.
| Fault | Severity | Share of faults |
|---|---|---|
| Chain and sprockets | dangerous | 12.7% |
| Tyres | major | 9.6% |
| Lights and indicators | major | 8.9% |
| Suspension | major | 6.4% |
| Other | fail | 6.4% |
| Steering and head bearings | fail | 4.8% |
| Controls and cables | fail | 4.8% |
| Brakes | major | 4.1% |
Advisories (wear noted but not failed) are excluded above; the most common is corrosion.
BN125 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 | |
|---|---|---|---|---|
| 2007 | 8 | 8,362 mi | 871 | 67.39% |
| 2006 | 5 | 10,356 mi | 800 | 76.6% |
| 2000 | 14 | 14,212 mi | 424 | 63.93% |
| 1999 | 54 | 14,965 mi | 859 | 73.44% |
BN125 questions, answered with data
What are the most common problems with the Kawasaki BN125?
Across 88 UK examples, the most frequently recorded MOT faults are chain and sprockets (12.7% of all recorded faults), tyres (9.6% of all recorded faults), lights and indicators (8.9% of all recorded faults).
What is average mileage for a Kawasaki BN125?
The median Kawasaki BN125 in the UK has covered 13,553 miles, and typically rides about 794 miles a year. Half of all examples fall between 9,051 and 18,794 miles.
Is the Kawasaki BN125 reliable?
72.78% of Kawasaki BN125 MOT tests are passed first time, with an average of 0.51 faults recorded per test. This is measured from DVSA MOT records, not owner opinion.
Based on DVSA MOT test records for 88 Kawasaki BN125 motorcycles registered in Great Britain and Northern Ireland. Contains public sector information licensed under the Open Government Licence v3.0.