1989 Yamaha Radian MOT Pass Rate
Pass rate for Radian models manufactured in 1989, based on 87 real MOT test results.
Data from official DVSA MOT testing records
1989 Yamaha Radian MOT Analysis
The 1989 Yamaha Radian has an MOT pass rate of 62.1% based on 87 tests — around the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 27,788 miles on the odometer. With a 37.9% failure rate, the 1989 Radian is rated as "Average" for MOT reliability.
The leading cause of MOT failure for the 1989 Yamaha Radian is Motorcycle lamps and reflectors, responsible for 2.3% 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 audible warning (Horn) is the second most common issue at 1.1%. Motorcycle brakes follows at 1.1%.
Top failures specific to 1989 models only. The overall Radian 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 | 2.3% | 2 |
| 2 | Motorcycle Audible Warning (Horn) | 1.1% | 1 |
| 3 | Motorcycle Brakes | 1.1% | 1 |
| 4 | Motorcycle Structure And Attachments | 1.1% | 1 |
| 5 | Motorcycle Suspension | 1.1% | 1 |
| 6 | Identification Of The Vehicle | 1.1% | 1 |
Failures per 10,000 Miles
avg. 27,788 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 lamps and reflectors | 0.83 | 2.3% | 2 |
| Motorcycle audible warning (Horn) | 0.41 | 1.1% | 1 |
| Motorcycle brakes | 0.41 | 1.1% | 1 |
| Motorcycle structure and attachments | 0.41 | 1.1% | 1 |
| Motorcycle suspension | 0.41 | 1.1% | 1 |
| Identification of the vehicle | 0.41 | 1.1% | 1 |
Mileage Statistics
Mileage-adjusted failure rate — accounts for how much this model year is typically driven.
About This Data
The 1989 Yamaha Radian has an MOT pass rate of 62.1% based on 87 tests — around the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 27,788 miles on the odometer. With a 37.9% failure rate, the 1989 Radian is rated as "Average" for MOT reliability.
If you own or are considering buying a 1989 Yamaha Radian, budget for potential repairs before each MOT. 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 27,788 miles, many of these vehicles are still in good mechanical condition.
Motorcycle lamps and reflectors — 2.3% of failures
Motorcycle lamps and reflectors issues account for 2.3% of MOT failures on 1989 Yamaha Radian 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 audible warning (Horn) — 1.1% of failures
Motorcycle audible warning (Horn) issues account for 1.1% of MOT failures on 1989 Yamaha Radian models. Motorcycle audible warning (Horn) 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.
Motorcycle brakes — 1.1% of failures
Motorcycle brakes issues account for 1.1% of MOT failures on 1989 Yamaha Radian 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).
Based on DVSA anonymised MOT test data (2005–2024). Crown copyright, Open Government Licence v3.0.