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Kawasaki BN125A6 Reliability, MOT Pass Rate & Common Faults

Free Kawasaki BN125A6 car check

Is the Kawasaki BN125A6 reliable? We analysed 908 real MOT tests across 104 vehicles to find out.

Got a specific Kawasaki BN125A6? Enter the reg for a free check:

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Data last updated: · Based on 908 real MOT tests
MOT Pass Rate
77.4%
Typical Mileage
9,039mi
Annual Mileage
728mi/yr
Est. Lifespan
23yrs

The Kawasaki BN125A6 is above average for reliability based on real UK MOT data. Common problems include roller brake test indicates a binding brake, drive chain excessively loose and shock absorber seal failed and leaking oil. Here's everything you need to know before buying a used Kawasaki BN125A6.

Kawasaki BN125A6 Number Plates

Number plates registered to a Kawasaki BN125A6. Click on any registration for full vehicle details — including MOT history, mileage records, previous owners and damage history.

Kawasaki BN125A6 MOT Pass Rate by Year

How likely is a Kawasaki BN125A6 to pass its MOT? Here's the pass rate for each registration year, newest first.

76.5%
2007
78.2%
2006
73.7%
2003

Kawasaki BN125A6 Problems — What Goes Wrong?

The most common reasons a Kawasaki BN125A6 fails its MOT, ranked by how often they occur. Check for these problems before you buy.

Roller brake test indicates a binding brake 19
Drive chain excessively loose 19
shock absorber seal failed and leaking oil 14
Stop lamp does not illuminate immediately a brake applies 9
Brake pad(s) less than 1.5 mm thick 8
Exhaust is leaking and excessively noisey 8
Drive chain worn to excess 8
Tyre tread depth is below minimum requirements of 1.0mm 8

Kawasaki BN125A6 Mileage — What's Normal?

How many miles does a typical Kawasaki BN125A6 owner drive per year? Use this to check if a car you're looking at has suspiciously low or high mileage.

Low usage
199 mi/yr
Typical
728 mi/yr
Average
1,327 mi/yr
Heavy usage
1,808 mi/yr

Kawasaki BN125A6 MOT Data by Registration Year

Full breakdown of pass rate and mileage for each year. Use this to compare the Kawasaki BN125A6 year you're looking at.

Year Tests Pass Rate Low Mi. Typical Mi. High Mi.
2007 51 76.5% 6,447 10,367 19,080
2006 546 78.2% 5,108 8,854 14,154
2003 209 73.7% 4,971 10,984 20,892

How Long Does a Kawasaki BN125A6 Last?

Based on 104 Kawasaki BN125A6 vehicles on UK roads.

Average
12.1 years
Median
13.0 years
Estimated max lifespan
23 years

Kawasaki BN125A6 Mileage Distribution

Total mileage recorded across all Kawasaki BN125A6 MOT tests. If the car you're looking at is above the 75th percentile, it's done more miles than most.

Median
9,039 mi
75th Percentile
14,957 mi
95th Percentile
26,022 mi
Max Recorded
53,860 mi

Best Year to Buy a Used Kawasaki BN125A6

Based on MOT pass rates across all registration years with sufficient test data.

Best year
2006

78.2% MOT pass rate from 546 tests

Year to avoid
2003

73.7% MOT pass rate from 209 tests

The best year to buy a used Kawasaki BN125A6 is 2006, which has the highest MOT pass rate at 78.2% across 546 tests. The 2003 model year has the lowest pass rate at 73.7% — if you're looking at one from that year, budget for potential repairs and get a thorough pre-purchase inspection.

How Does the Kawasaki BN125A6 Compare?

MOT pass rates compared to similar models. Click any model for the full breakdown.

Model Pass Rate Tests Typical Mileage Lifespan
Kawasaki BN125A6 THIS CAR 77.4% 908 9,039 mi 23 yrs
Kawasaki ZX-6R 81.7% 204,826 19,965 mi 31 yrs
Kawasaki ZX-9R 83.7% 103,150 22,736 mi 32 yrs
Kawasaki ER5 81.2% 65,763 22,023 mi 30 yrs
Scania Not Stated 74.7% 835 411,050 mi — yrs

Compared to the Kawasaki ZX-6R (81.7% pass rate) and the Kawasaki ZX-9R (83.7% pass rate), the Kawasaki BN125A6 trails behind on MOT reliability.

Found a Kawasaki BN125A6 you like?

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Should you buy a used Kawasaki BN125A6?

The Kawasaki BN125A6 has an overall MOT pass rate of 77.4% across 908 real MOT tests — comfortably above the UK average, which puts it among the more reliable models on UK roads.

The most common problems on the Kawasaki BN125A6 are roller brake test indicates a binding brake (19 recorded failures), drive chain excessively loose (19), and shock absorber seal failed and leaking oil (14). These are the faults most likely to cause an MOT failure on this model, so check for them carefully on any test drive or pre-purchase inspection. Many are wear-and-tear items that can be budgeted for, but a car that's already failing on multiple fronts may signal neglected maintenance.

A typical Kawasaki BN125A6 owner drives around 728 miles per year. If the car you're looking at is significantly above this, expect more wear on suspension, brakes and tyres. If it's well below, the vehicle may have been sitting unused — check for perished rubber, corroded discs and stale fluids.

In terms of longevity, most Kawasaki BN125A6 models stay on UK roads for around 23 years — a strong showing that suggests solid build quality and readily available parts. If you're buying one that's already approaching that window, the data suggests it has plenty of life left provided it's been maintained.

Before committing to a purchase, we recommend running a full vehicle history check on the specific car. This will reveal any outstanding finance, stolen markers, write-off history and mileage discrepancies that the seller may not disclose — and that the MOT data alone can't tell you.

Kawasaki BN125A6 — Frequently Asked Questions

Is the Kawasaki BN125A6 reliable?
Based on 908 MOT tests, the Kawasaki BN125A6 has a 77.4% pass rate — above the UK average, suggesting good reliability.
What are the common problems on a Kawasaki BN125A6?
The most common MOT failures are roller brake test indicates a binding brake, drive chain excessively loose, and shock absorber seal failed and leaking oil. Check these on any test drive.
How many miles does a Kawasaki BN125A6 do per year?
The typical Kawasaki BN125A6 does around 728 miles per year. Anything significantly above or below this is worth investigating.
How long does a Kawasaki BN125A6 last?
Most Kawasaki BN125A6 models stay on UK roads for around 23 years based on our analysis of 104 vehicles.
Should I get a vehicle check before buying a Kawasaki BN125A6?
Yes. An MOT pass rate tells you about the model in general, but a vehicle history check reveals the specific car's finance, stolen, write-off and mileage history — things the seller may not disclose.
What is the best year to buy a Kawasaki BN125A6?
Based on MOT pass rates, the best year to buy a used Kawasaki BN125A6 is 2006 with a 78.2% pass rate across 546 tests.