1990 Honda St50-k MOT Pass Rate
Pass rate for St50-k models manufactured in 1990, based on 40 real MOT test results.
Data from official DVSA MOT testing records
1990 Honda St50-k MOT Analysis
The 1990 Honda St50-k has an MOT pass rate of 95.0% based on 40 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 6,000 miles on the odometer. With a 5.0% failure rate, the 1990 St50-k is rated as "Excellent" for MOT reliability.
The leading cause of MOT failure for the 1990 Honda St50-k is Motorcycle lamps and reflectors, responsible for 5.0% of failures. Lighting failures cover all external lights: headlights, tail lights, brake lights, indicators, fog lights, and reflectors. A single blown bulb will cause an MOT fail. This is one of the most preventable failure categories. Typical repair costs range from £5–50. Motorcycle suspension is the second most common issue at 5.0%. Motorcycle structure and attachments follows at 2.5%.
Top failures specific to 1990 models only. The overall St50-k 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 Lamps And Reflectors | 5.0% | 2 |
| 2 | Motorcycle Suspension | 5.0% | 2 |
| 3 | Motorcycle Structure And Attachments | 2.5% | 1 |
| 4 | Motorcycle Tyres | 2.5% | 1 |
| 5 | Motorcycle Wheels | 2.5% | 1 |
| 6 | Motorcycle Audible Warning (Horn) | 2.5% | 1 |
| 7 | Motorcycle Brakes | 2.5% | 1 |
Failures per 10,000 Miles
avg. 6,000 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 lamps and reflectors | 8.33 | 5.0% | 2 |
| Motorcycle suspension | 8.33 | 5.0% | 2 |
| Motorcycle structure and attachments | 4.17 | 2.5% | 1 |
| Motorcycle tyres | 4.17 | 2.5% | 1 |
| Motorcycle wheels | 4.17 | 2.5% | 1 |
| Motorcycle audible warning (Horn) | 4.17 | 2.5% | 1 |
| Motorcycle brakes | 4.17 | 2.5% | 1 |
Mileage Statistics
Mileage-adjusted failure rate — accounts for how much this model year is typically driven.
About This Data
The 1990 Honda St50-k has an MOT pass rate of 95.0% based on 40 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 6,000 miles on the odometer. With a 5.0% failure rate, the 1990 St50-k is rated as "Excellent" for MOT reliability.
If you own or are considering buying a 1990 Honda St50-k, you can expect reliable MOT performance overall. Before your MOT, pay particular attention to motorcycle lamps and reflectors: Walk around the car and check every light — headlights (dipped and main beam), side lights, tail lights, brake lights, indicators, hazard lights, reverse light, rear fog light, and number plate lights. Replace any blown bulbs before the test. With relatively low average mileage of 6,000 miles, many of these vehicles are still in good mechanical condition.
Motorcycle lamps and reflectors — 5.0% of failures
Motorcycle lamps and reflectors issues account for 5.0% of MOT failures on 1990 Honda St50-k models. Lighting failures cover all external lights: headlights, tail lights, brake lights, indicators, fog lights, and reflectors. A single blown bulb will cause an MOT fail. This is one of the most preventable failure categories. Typical repair costs: £5–50. Pre-MOT check: Walk around the car and check every light — headlights (dipped and main beam), side lights, tail lights, brake lights, indicators, hazard lights, reverse light, rear fog light, and number plate lights. Replace any blown bulbs before the test.
Motorcycle suspension — 5.0% of failures
Motorcycle suspension issues account for 5.0% of MOT failures on 1990 Honda St50-k 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 structure and attachments — 2.5% of failures
Motorcycle structure and attachments issues account for 2.5% of MOT failures on 1990 Honda St50-k models. Motorcycle structure and attachments 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.
Based on DVSA anonymised MOT test data (2005–2024). Crown copyright, Open Government Licence v3.0.