Kawasaki BN125A1
Real ownership data from 225 UK BN125A1 motorcycles — mileage, MOT pass rates and the faults that actually come up, taken from DVSA test records rather than opinion.
Most common BN125A1 problems
Ranked by how often each fault appears in this model's MOT history.
| Fault | Severity | Share of faults |
|---|---|---|
| Lights and indicators | major | 10.3% |
| Brakes | major | 8% |
| Chain and sprockets | fail | 5.6% |
| Tyres | fail | 5% |
| Steering and head bearings | major | 3.4% |
| Other | fail | 3.1% |
| Suspension | major | 2.9% |
| Brake discs and pads | fail | 1.3% |
Advisories (wear noted but not failed) are excluded above; the most common is chain and sprockets.
BN125A1 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 |
|---|---|---|---|---|
| 2003 | 5 | 9,418 mi | 1,939 | 68.42% |
| 2001 | 6 | 17,610 mi | 896 | 61.36% |
| 2000 | 12 | 13,630 mi | 907 | 75.76% |
| 1999 | 66 | 15,266 mi | 735 | 71.79% |
| 1998 | 122 | 16,000 mi | 600 | 70.92% |
| 1997 | 5 | 24,668 mi | 2,730 | 69.23% |
BN125A1 questions, answered with data
What are the most common problems with the Kawasaki BN125A1?
Across 225 UK examples, the most frequently recorded MOT faults are lights and indicators (10.3% of all recorded faults), brakes (8% of all recorded faults), chain and sprockets (5.6% of all recorded faults).
What is average mileage for a Kawasaki BN125A1?
The median Kawasaki BN125A1 in the UK has covered 14,998 miles, and typically rides about 742 miles a year. Half of all examples fall between 10,052 and 21,818 miles.
Is the Kawasaki BN125A1 reliable?
70.91% of Kawasaki BN125A1 MOT tests are passed first time, with an average of 1.32 faults recorded per test. This is measured from DVSA MOT records, not owner opinion.
Based on DVSA MOT test records for 225 Kawasaki BN125A1 motorcycles registered in Great Britain and Northern Ireland. Contains public sector information licensed under the Open Government Licence v3.0.