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Kawasaki EX305-B5 Reliability, MOT Pass Rate & Common Faults

Free Kawasaki EX305-B5 car check

Is the Kawasaki EX305-B5 reliable? We analysed 745 real MOT tests across 128 vehicles to find out.

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Data last updated: · Based on 745 real MOT tests
MOT Pass Rate
80.8%
Typical Mileage
25,610mi
Annual Mileage
408mi/yr
Est. Lifespan
38yrs

The Kawasaki EX305-B5 is above average for reliability based on real UK MOT data. Common problems include shock absorber seal failed and leaking oil, stop lamp does not illuminate immediately a brake applies and tyre tread depth is below minimum requirements of 1.0mm. Here's everything you need to know before buying a used Kawasaki EX305-B5.

Kawasaki EX305-B5 Number Plates

Number plates registered to a Kawasaki EX305-B5. Click on any registration for full vehicle details — including MOT history, mileage records, previous owners and damage history.

Kawasaki EX305-B5 MOT Pass Rate by Year

How likely is a Kawasaki EX305-B5 to pass its MOT? Here's the pass rate for each registration year, newest first.

77.9%
1991
81.3%
1990
80.5%
1989
82.9%
1988

Kawasaki EX305-B5 Problems — What Goes Wrong?

The most common reasons a Kawasaki EX305-B5 fails its MOT, ranked by how often they occur. Check for these problems before you buy.

shock absorber seal failed and leaking oil 14
Stop lamp does not illuminate immediately a brake applies 10
Tyre tread depth is below minimum requirements of 1.0mm 8
Roller brake test indicates a binding brake 8
shock absorber has inadequate damping effect. 7
Steering headbearing has excessive free play 5
Roller brake test indicates excessive fluctuation of brake effort 5
Headlamp aim too high 5
suspension bush has excessive free play 5
Steering movement excessively 'notchy' with the weight on the lower bearing 5

Kawasaki EX305-B5 Mileage — What's Normal?

How many miles does a typical Kawasaki EX305-B5 owner drive per year? Use this to check if a car you're looking at has suspiciously low or high mileage.

Low usage
112 mi/yr
Typical
408 mi/yr
Average
993 mi/yr
Heavy usage
1,045 mi/yr

Kawasaki EX305-B5 MOT Data by Registration Year

Full breakdown of pass rate and mileage for each year. Use this to compare the Kawasaki EX305-B5 year you're looking at.

Year Tests Pass Rate Low Mi. Typical Mi. High Mi.
1991 204 77.9% 18,726 23,640 27,671
1990 241 81.3% 18,734 30,970 36,492
1989 133 80.5% 19,507 25,102 33,514
1988 117 82.9% 17,296 21,079 27,530

How Long Does a Kawasaki EX305-B5 Last?

Based on 128 Kawasaki EX305-B5 vehicles on UK roads.

Average
24.1 years
Median
23.0 years
Estimated max lifespan
38 years

Kawasaki EX305-B5 Mileage Distribution

Total mileage recorded across all Kawasaki EX305-B5 MOT tests. If the car you're looking at is above the 75th percentile, it's done more miles than most.

Median
25,610 mi
75th Percentile
32,733 mi
95th Percentile
42,176 mi
Max Recorded
52,546 mi

Best Year to Buy a Used Kawasaki EX305-B5

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

Best year
1988

82.9% MOT pass rate from 117 tests

Year to avoid
1991

77.9% MOT pass rate from 204 tests

The best year to buy a used Kawasaki EX305-B5 is 1988, which has the highest MOT pass rate at 82.9% across 117 tests. The 1991 model year has the lowest pass rate at 77.9% — if you're looking at one from that year, budget for potential repairs and get a thorough pre-purchase inspection.

How Does the Kawasaki EX305-B5 Compare?

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

Model Pass Rate Tests Typical Mileage Lifespan
Kawasaki EX305-B5 THIS CAR 80.8% 745 25,610 mi 38 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
Lifan Lf 125-30 65.8% 734 5,940 mi 20 yrs

Compared to the Kawasaki ZX-6R (81.7% pass rate) and the Kawasaki ZX-9R (83.7% pass rate), the Kawasaki EX305-B5 trails behind on MOT reliability.

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Should you buy a used Kawasaki EX305-B5?

The Kawasaki EX305-B5 has an overall MOT pass rate of 80.8% across 745 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 EX305-B5 are shock absorber seal failed and leaking oil (14 recorded failures), stop lamp does not illuminate immediately a brake applies (10), and tyre tread depth is below minimum requirements of 1.0mm (8). 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 EX305-B5 owner drives around 408 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 EX305-B5 models stay on UK roads for around 38 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 EX305-B5 — Frequently Asked Questions

Is the Kawasaki EX305-B5 reliable?
Based on 745 MOT tests, the Kawasaki EX305-B5 has a 80.8% pass rate — above the UK average, suggesting good reliability.
What are the common problems on a Kawasaki EX305-B5?
The most common MOT failures are shock absorber seal failed and leaking oil, stop lamp does not illuminate immediately a brake applies, and tyre tread depth is below minimum requirements of 1.0mm. Check these on any test drive.
How many miles does a Kawasaki EX305-B5 do per year?
The typical Kawasaki EX305-B5 does around 408 miles per year. Anything significantly above or below this is worth investigating.
How long does a Kawasaki EX305-B5 last?
Most Kawasaki EX305-B5 models stay on UK roads for around 38 years based on our analysis of 128 vehicles.
Should I get a vehicle check before buying a Kawasaki EX305-B5?
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 EX305-B5?
Based on MOT pass rates, the best year to buy a used Kawasaki EX305-B5 is 1988 with a 82.9% pass rate across 117 tests.