1993 Honda Cb400sf MOT Pass Rate
Pass rate for Cb400sf models manufactured in 1993, based on 71 real MOT test results.
Data from official DVSA MOT testing records
1993 Honda Cb400sf MOT Analysis
The 1993 Honda Cb400sf has an MOT pass rate of 78.9% based on 71 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 32,586 miles on the odometer. With a 21.1% failure rate, the 1993 Cb400sf is rated as "Excellent" for MOT reliability.
The leading cause of MOT failure for the 1993 Honda Cb400sf is Motorcycle suspension, responsible for 4.2% of failures. 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 range from £200–500. Motorcycle brakes is the second most common issue at 4.2%. Motorcycle steering follows at 1.4%.
Top failures specific to 1993 models only. The overall Cb400sf 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 Suspension | 4.2% | 3 |
| 2 | Motorcycle Brakes | 4.2% | 3 |
| 3 | Motorcycle Steering | 1.4% | 1 |
Failures per 10,000 Miles
avg. 32,586 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 suspension | 1.30 | 4.2% | 3 |
| Motorcycle brakes | 1.30 | 4.2% | 3 |
| Motorcycle steering | 0.43 | 1.4% | 1 |
Mileage Statistics
Mileage-adjusted failure rate — accounts for how much this model year is typically driven.
About This Data
The 1993 Honda Cb400sf has an MOT pass rate of 78.9% based on 71 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 32,586 miles on the odometer. With a 21.1% failure rate, the 1993 Cb400sf is rated as "Excellent" for MOT reliability.
If you own or are considering buying a 1993 Honda Cb400sf, you can expect reliable MOT performance overall. Before your MOT, pay particular attention to motorcycle suspension: 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. With relatively low average mileage of 32,586 miles, many of these vehicles are still in good mechanical condition.
Motorcycle suspension — 4.2% of failures
Motorcycle suspension issues account for 4.2% of MOT failures on 1993 Honda Cb400sf models. 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 — 4.2% of failures
Motorcycle brakes issues account for 4.2% of MOT failures on 1993 Honda Cb400sf models. 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 steering — 1.4% of failures
Motorcycle steering issues account for 1.4% of MOT failures on 1993 Honda Cb400sf 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.