1975 Honda Cb400 MOT Pass Rate
Pass rate for Cb400 models manufactured in 1975, based on 273 real MOT test results.
Data from official DVSA MOT testing records
This page shows all Cb400 cars tested in 1975. Want to see how cars built in 1975 hold up over time?
View 1975 Honda Cb400 vintage page → (93.3% current pass rate)1975 Honda Cb400 MOT Analysis
The 1975 Honda Cb400 has an MOT pass rate of 86.4% based on 273 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 29,009 miles on the odometer. With a 13.6% failure rate, the 1975 Cb400 is rated as "Excellent" for MOT reliability.
The leading cause of MOT failure for the 1975 Honda Cb400 is Motorcycle tyres, responsible for 0.4% of failures. Tyre failures include tread depth below the legal minimum of 1.6mm, cuts, bulges, exposed cords, and incorrect tyre pressure. Tyres are one of the most common and easiest-to-prevent MOT failures. Typical repair costs range from £50–200 per tyre.
Top failures specific to 1975 models only. The overall Cb400 page may show different rankings.
What Fails Most
What Fails on This Car?
Click a category to see specific failure items.
View as table
| Rank | Failure Category | Rate (%) | Count |
|---|---|---|---|
| 1 | Motorcycle Tyres | 0.4% | 1 |
Failures per 10,000 Miles
avg. 29,009 miFor 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.
View as table
| Category | Rate / 10K mi | Raw % | Count |
|---|---|---|---|
| Motorcycle tyres | 0.13 | 0.4% | 1 |
Mileage Statistics
Mileage-adjusted failure rate — accounts for how much this model year is typically driven.
About This Data
The 1975 Honda Cb400 has an MOT pass rate of 86.4% based on 273 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 29,009 miles on the odometer. With a 13.6% failure rate, the 1975 Cb400 is rated as "Excellent" for MOT reliability.
If you own or are considering buying a 1975 Honda Cb400, you can expect reliable MOT performance overall. Before your MOT, pay particular attention to motorcycle tyres: Check tread depth with a 20p coin — if the outer band is visible, the tyre is too worn. Look for bulges, cuts, or embedded objects. Ensure all tyres match the recommended size and load rating. With relatively low average mileage of 29,009 miles, many of these vehicles are still in good mechanical condition.
Motorcycle tyres — 0.4% of failures
Motorcycle tyres issues account for 0.4% of MOT failures on 1975 Honda Cb400 models. Tyre failures include tread depth below the legal minimum of 1.6mm, cuts, bulges, exposed cords, and incorrect tyre pressure. Tyres are one of the most common and easiest-to-prevent MOT failures. Typical repair costs: £50–200 per tyre. Pre-MOT check: Check tread depth with a 20p coin — if the outer band is visible, the tyre is too worn. Look for bulges, cuts, or embedded objects. Ensure all tyres match the recommended size and load rating.
Based on DVSA anonymised MOT test data (2005–2024). Crown copyright, Open Government Licence v3.0.