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Kawasaki Ex305-b4 MOT Pass Rate

Overall pass rate across all manufacture years, based on 88 real MOT test results. Failure rate: 40.9%.

59.1%
Pass Rate
40.9%
Fail Rate
88
Total Tests
Motorcycle steering and suspension
Top Failure

Data from official DVSA MOT testing records

Kawasaki Ex305-b4 MOT Reliability Overview

The Kawasaki Ex305-b4 is a rare vehicle in the UK, with 88 MOT test results recorded in our database spanning 2 manufacture years. It has an overall MOT pass rate of 59.1% and a failure rate of 40.9%, which is slightly below the UK average of approximately 37%.

Based on this data, the Kawasaki Ex305-b4 earns a "Below Average" reliability rating. The average Kawasaki Ex305-b4 presents for MOT with approximately 27,993 miles on the clock. Manufacture year matters: 1986 models achieve the highest pass rate at 74.3%, while 1987 models have the lowest at 52.8%. This 21.5 percentage point difference suggests notable variation in build quality or component durability across production years.

The most common MOT failure for the Kawasaki Ex305-b4 is Motorcycle steering and suspension, affecting 37.5% of all tests. Suspension failures typically involve worn bushes, leaking shock absorbers, broken coil springs, and damaged suspension arms. These affect ride quality, tyre wear, and road holding. The second most common issue is Motorcycle brakes at 29.5%. Motorcycle lighting and signalling rounds out the top three at 17.0%. Together, these top 3 failure categories account for a significant portion of all MOT failures for this model.

⚠ Based on limited data (88 tests)

Top failures across all manufacture years combined. Individual year pages may show different top failures.

What Fails Most

Motorcycle steering and suspension 37.5%
Motorcycle brakes 29.5%
Motorcycle lighting and signalling 17.0%
⚖️ Compare

Pass Rate by Manufacture Year

1987High Fail Rate
52.8%
Tests Avg Mileage 28,724Top Failure Motorcycle lighting and signalling
74.3%
Tests Avg Mileage 23,234Top Failure Motorcycle brakes

* High Fail Rate badge indicates an MOT pass rate below 65% (failure rate above 35%).

What Fails on This Car?

Click a category to see specific failure items.

View as table
MOT failure categories ranked by failure rate
RankFailure CategoryRate (%)Count
1Motorcycle Steering And Suspension61.4%54
2Motorcycle Brakes37.5%33
3Motorcycle Lighting And Signalling18.2%16
4Motorcycle Tyres And Wheels11.4%10
5Motorcycle Fuel And Exhaust6.8%6
6Motorcycle Suspension6.8%6
7Motorcycle Steering3.4%3
8Motorcycle Reg Plates And Vin3.4%3
9Motorcycle Drive System3.4%3
10Motorcycle Lamps And Reflectors2.3%2
11Motorcycle Body And Structure1.1%1
12Motorcycle Tyres1.1%1
13Non-component Advisories1.1%1

Failures per 10,000 Miles

avg. 27,993 mi

For every 10,000 miles driven, this shows what percentage of MOT tests fail for each category. This accounts for how far cars are actually driven, not just raw pass/fail counts.

Motorcycle steering and suspension21.92% per 10K miMotorcycle brakes13.40% per 10K miMotorcycle lighting and signalling6.50% per 10K miMotorcycle tyres and wheels4.06% per 10K miMotorcycle fuel and exhaust2.44% per 10K miMotorcycle suspension2.44% per 10K miMotorcycle steering1.22% per 10K miMotorcycle reg plates and vin1.22% per 10K miMotorcycle drive system1.22% per 10K miMotorcycle lamps and reflectors0.81% per 10K miMotorcycle body and structure0.41% per 10K miMotorcycle tyres0.41% per 10K miNon-component advisories0.41% per 10K mi
View as table
Mileage-normalised failure rates by category
CategoryRate / 10K miRaw %Count
Motorcycle steering and suspension21.9261.4%54
Motorcycle brakes13.4037.5%33
Motorcycle lighting and signalling6.5018.2%16
Motorcycle tyres and wheels4.0611.4%10
Motorcycle fuel and exhaust2.446.8%6
Motorcycle suspension2.446.8%6
Motorcycle steering1.223.4%3
Motorcycle reg plates and vin1.223.4%3
Motorcycle drive system1.223.4%3
Motorcycle lamps and reflectors0.812.3%2
Motorcycle body and structure0.411.1%1
Motorcycle tyres0.411.1%1
Non-component advisories0.411.1%1

🚗 Similar Cars to Consider

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No comparable models

Mileage at MOT

27,993
Mean
31,638
Median
24,245
25th Percentile
40,062
75th Percentile

The average Kawasaki Ex305-b4 has 27,993 miles when tested for MOT.

📊 Mileage-Adjusted Failure Rate

How often this car fails MOT relative to how much it's driven — a fairer comparison than raw pass rate.

14.61%
Fail Rate per 10K Miles
Average across all makes: 5.38%
40.9%
Overall Fail Rate
27,993 avg miles
🔴 Poor — above average failure rate

The Kawasaki Ex305-b4 has a mileage-adjusted failure rate of 14.61% per 10,000 miles driven. The average across all makes is 5.38%, so this model is worse than average.

About Kawasaki Ex305-b4 MOT Data

The Kawasaki Ex305-b4 is a rare vehicle in the UK, with 88 MOT test results recorded in our database spanning 2 manufacture years. It has an overall MOT pass rate of 59.1% and a failure rate of 40.9%, which is slightly below the UK average of approximately 37%.

For Kawasaki Ex305-b4 owners, these results suggest average reliability — some preparation before MOT can improve pass chances. Focus your pre-MOT checks on motorcycle steering and suspension and motorcycle brakes for the best chance of a first-time pass. Use our detailed year-by-year breakdown and failure analysis below to understand how your specific Ex305-b4 is likely to perform.

Motorcycle steering and suspension — 37.5% of failures

Motorcycle steering and suspension issues account for 37.5% of MOT failures on the Kawasaki Ex305-b4. Suspension failures typically involve worn bushes, leaking shock absorbers, broken coil springs, and damaged suspension arms. These affect ride quality, tyre wear, and road holding. Typical repair costs: £200–500. Pre-MOT check: Look for uneven tyre wear, listen for clunking over bumps, and check if the car pulls to one side. A bouncy ride suggests worn shock absorbers. Visually inspect coil springs for cracks.

Motorcycle brakes — 29.5% of failures

Motorcycle brakes issues account for 29.5% of MOT failures on the Kawasaki Ex305-b4. Brake-related failures include worn brake pads, corroded brake discs, leaking brake lines, and faulty brake servos. These are safety-critical components — any brake deficiency will result in an MOT fail. Typical repair costs: £150–400. Pre-MOT check: Listen for squealing or grinding noises. Check brake pedal feel — if it feels spongy or goes to the floor, have the system inspected immediately. Look at brake pad thickness through the wheel spokes (minimum 3mm).

Motorcycle lighting and signalling — 17.0% of failures

Motorcycle lighting and signalling issues account for 17.0% of MOT failures on the Kawasaki Ex305-b4. Motorcycle lighting and signalling issues are a common cause of MOT failure. Regular inspection and maintenance of these components helps ensure your vehicle passes its MOT. Typical repair costs: £100–400. Pre-MOT check: Have this system checked during regular servicing. Look for warning signs like unusual noises, vibrations, or dashboard warning lights.

Frequently Asked Questions

What is the MOT pass rate for the Kawasaki Ex305-b4?

Based on 88 (based on limited data) MOT tests in our database, the Kawasaki Ex305-b4 has an overall pass rate of 59.1% (40.9% fail rate).

What are the most common MOT failures on a Kawasaki Ex305-b4?

The top 3 reasons a Kawasaki Ex305-b4 fails its MOT are: 1. Motorcycle steering and suspension (37.5%), 2. Motorcycle brakes (29.5%), 3. Motorcycle lighting and signalling (17.0%). Check these areas before booking your MOT.

Is the Kawasaki Ex305-b4 reliable?

With a 40.9% MOT failure rate, the Ex305-b4 is about average compared to the UK average of ~40%.

What should I check before an MOT on my Kawasaki Ex305-b4?

Based on failure data, focus on: Motorcycle steering and suspension (37.5%); Motorcycle brakes (29.5%); Motorcycle lighting and signalling (17.0%). These are the areas most likely to cause a fail. Also check all lights, tyres (minimum 1.6mm tread), and windscreen condition — these are quick wins that apply to all cars.

Based on DVSA anonymised MOT test data (2005–2024). Crown copyright, Open Government Licence v3.0.

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