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Kawasaki KH125 Reliability, MOT Pass Rate & Common Faults

Free Kawasaki KH125 car check

Is the Kawasaki KH125 reliable? We analysed 2,902 real MOT tests across 597 vehicles to find out.

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Data last updated: · Based on 2,902 real MOT tests
MOT Pass Rate
75.9%
Typical Mileage
14,642mi
Annual Mileage
250mi/yr
Est. Lifespan
47yrs

The Kawasaki KH125 is above average for reliability based on real UK MOT data. Common problems include stop lamp does not illuminate immediately a brake applies, direction indicators not working and stop lamp affected by the operation of another lamp. Here's everything you need to know before buying a used Kawasaki KH125.

Kawasaki KH125 Number Plates

Number plates registered to a Kawasaki KH125. Click on any registration for full vehicle details — including MOT history, mileage records, previous owners and damage history.

Kawasaki KH125 MOT Pass Rate by Year

How likely is a Kawasaki KH125 to pass its MOT? Here's the pass rate for each registration year, newest first.

73.7%
1999
71.1%
1998
84.5%
1997
74.4%
1996
79.2%
1995
82%
1994
78.9%
1993
73.3%
1992
73.8%
1991
72.8%
1990
76.1%
1989
75.6%
1988
71.3%
1987
74.1%
1986
77.3%
1985
70%
1984
75%
1979

Kawasaki KH125 Problems — What Goes Wrong?

The most common reasons a Kawasaki KH125 fails its MOT, ranked by how often they occur. Check for these problems before you buy.

Stop lamp does not illuminate immediately a brake applies 113
Direction indicators not working 47
Stop lamp affected by the operation of another lamp 43
Headlamp at least one does not illuminate on dipped beam 39
Direction indicator not working 38
Tyre tread depth is below minimum requirements of 1.0mm 34
Direction indicators affected by the operation of another lamp 33
Horn not loud enough to be heard by another road user 32
position lamp does not illuminate immediately when switched on 30
Roller brake test indicates a binding brake 30

Kawasaki KH125 Mileage — What's Normal?

How many miles does a typical Kawasaki KH125 owner drive per year? Use this to check if a car you're looking at has suspiciously low or high mileage.

Low usage
61 mi/yr
Typical
250 mi/yr
Average
803 mi/yr
Heavy usage
846 mi/yr

Kawasaki KH125 MOT Data by Registration Year

Full breakdown of pass rate and mileage for each year. Use this to compare the Kawasaki KH125 year you're looking at.

Year Tests Pass Rate Low Mi. Typical Mi. High Mi.
1999 57 73.7% 2,443 6,890 12,494
1998 239 71.1% 8,818 14,594 18,278
1997 194 84.5% 8,934 12,579 16,090
1996 195 74.4% 9,563 16,108 20,912
1995 173 79.2% 9,005 12,015 16,903
1994 228 82.0% 8,808 11,959 18,704
1993 171 78.9% 10,710 17,646 23,298
1992 101 73.3% 12,661 16,420 19,648
1991 164 73.8% 11,140 16,470 22,556
1990 257 72.8% 9,373 14,231 22,092
1989 255 76.1% 8,905 16,178 20,924
1988 193 75.6% 9,624 13,753 22,759
1987 87 71.3% 10,982 14,813 21,136
1986 166 74.1% 11,318 17,096 24,029
1985 97 77.3% 13,161 17,296 21,488
1984 100 70.0% 11,872 18,378 22,838
1979 60 75.0% 6,987 10,252 44,072

How Long Does a Kawasaki KH125 Last?

Based on 597 Kawasaki KH125 vehicles on UK roads.

Average
23.3 years
Median
23.0 years
Estimated max lifespan
47 years

Kawasaki KH125 Mileage Distribution

Total mileage recorded across all Kawasaki KH125 MOT tests. If the car you're looking at is above the 75th percentile, it's done more miles than most.

Median
14,642 mi
75th Percentile
20,927 mi
95th Percentile
30,920 mi
Max Recorded
79,009 mi

Best Year to Buy a Used Kawasaki KH125

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

Best year
1997

84.5% MOT pass rate from 194 tests

Year to avoid
1984

70.0% MOT pass rate from 100 tests

The best year to buy a used Kawasaki KH125 is 1997, which has the highest MOT pass rate at 84.5% across 194 tests. The 1984 model year has the lowest pass rate at 70.0% — if you're looking at one from that year, budget for potential repairs and get a thorough pre-purchase inspection.

How Does the Kawasaki KH125 Compare?

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

Model Pass Rate Tests Typical Mileage Lifespan
Kawasaki KH125 THIS CAR 75.9% 2,902 14,642 mi 47 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
Austin Mini 1275 GT 79.9% 885 51,865 mi 56 yrs

Compared to the Kawasaki ZX-6R (81.7% pass rate) and the Kawasaki ZX-9R (83.7% pass rate), the Kawasaki KH125 trails behind on MOT reliability.

Found a Kawasaki KH125 you like?

Run a full vehicle history check on the specific car. See finance, stolen, write-off, mileage and MOT data for that exact vehicle.

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Should you buy a used Kawasaki KH125?

The Kawasaki KH125 has an overall MOT pass rate of 75.9% across 2,902 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 KH125 are stop lamp does not illuminate immediately a brake applies (113 recorded failures), direction indicators not working (47), and stop lamp affected by the operation of another lamp (43). 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 KH125 owner drives around 250 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 KH125 models stay on UK roads for around 47 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 KH125 — Frequently Asked Questions

Is the Kawasaki KH125 reliable?
Based on 2,902 MOT tests, the Kawasaki KH125 has a 75.9% pass rate — above the UK average, suggesting good reliability.
What are the common problems on a Kawasaki KH125?
The most common MOT failures are stop lamp does not illuminate immediately a brake applies, direction indicators not working, and stop lamp affected by the operation of another lamp. Check these on any test drive.
How many miles does a Kawasaki KH125 do per year?
The typical Kawasaki KH125 does around 250 miles per year. Anything significantly above or below this is worth investigating.
How long does a Kawasaki KH125 last?
Most Kawasaki KH125 models stay on UK roads for around 47 years based on our analysis of 597 vehicles.
Should I get a vehicle check before buying a Kawasaki KH125?
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 KH125?
Based on MOT pass rates, the best year to buy a used Kawasaki KH125 is 1997 with a 84.5% pass rate across 194 tests.