1975 Honda 400-4 MOT Pass Rate
Pass rate for 400-4 models manufactured in 1975, based on 90 real MOT test results.
Data from official DVSA MOT testing records
1975 Honda 400-4 MOT Analysis
The 1975 Honda 400-4 has an MOT pass rate of 80.0% based on 90 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 34,945 miles on the odometer. With a 20.0% failure rate, the 1975 400-4 is rated as "Excellent" for MOT reliability.
The leading cause of MOT failure for the 1975 Honda 400-4 is Motorcycle steering, responsible for 1.1% of failures. Steering failures include excessive play in the steering wheel, leaking power steering fluid, worn track rod ends, and damaged steering rack. These affect vehicle control and are closely related to suspension wear. Typical repair costs range from £150–600.
Top failures specific to 1975 models only. The overall 400-4 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 Steering | 1.1% | 1 |
Failures per 10,000 Miles
avg. 34,945 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.
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| Category | Rate / 10K mi | Raw % | Count |
|---|---|---|---|
| Motorcycle steering | 0.32 | 1.1% | 1 |
Mileage Statistics
Mileage-adjusted failure rate — accounts for how much this model year is typically driven.
About This Data
The 1975 Honda 400-4 has an MOT pass rate of 80.0% based on 90 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 34,945 miles on the odometer. With a 20.0% failure rate, the 1975 400-4 is rated as "Excellent" for MOT reliability.
If you own or are considering buying a 1975 Honda 400-4, you can expect reliable MOT performance overall. Before your MOT, pay particular attention to motorcycle steering: Check for excessive steering wheel play (more than a few inches of free movement). Listen for whining from the power steering pump. Look for fluid leaks under the car near the front wheels. With relatively low average mileage of 34,945 miles, many of these vehicles are still in good mechanical condition.
Motorcycle steering — 1.1% of failures
Motorcycle steering issues account for 1.1% of MOT failures on 1975 Honda 400-4 models. Steering failures include excessive play in the steering wheel, leaking power steering fluid, worn track rod ends, and damaged steering rack. These affect vehicle control and are closely related to suspension wear. Typical repair costs: £150–600. Pre-MOT check: Check for excessive steering wheel play (more than a few inches of free movement). Listen for whining from the power steering pump. Look for fluid leaks under the car near the front wheels.
Based on DVSA anonymised MOT test data (2005–2024). Crown copyright, Open Government Licence v3.0.