1990 Kawasaki Zephyr 550 MOT Pass Rate
Pass rate for Zephyr 550 models manufactured in 1990, based on 68 real MOT test results.
Data from official DVSA MOT testing records
1990 Kawasaki Zephyr 550 MOT Analysis
The 1990 Kawasaki Zephyr 550 has an MOT pass rate of 76.5% based on 68 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 29,614 miles on the odometer. With a 23.5% failure rate, the 1990 Zephyr 550 is rated as "Excellent" for MOT reliability.
The leading cause of MOT failure for the 1990 Kawasaki Zephyr 550 is Motorcycle brakes, responsible for 2.9% of failures. 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 range from £150–400. Motorcycle steering is the second most common issue at 1.5%.
Top failures specific to 1990 models only. The overall Zephyr 550 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 Brakes | 2.9% | 2 |
| 2 | Motorcycle Steering | 1.5% | 1 |
Failures per 10,000 Miles
avg. 29,614 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 brakes | 0.99 | 2.9% | 2 |
| Motorcycle steering | 0.50 | 1.5% | 1 |
Mileage Statistics
Mileage-adjusted failure rate — accounts for how much this model year is typically driven.
About This Data
The 1990 Kawasaki Zephyr 550 has an MOT pass rate of 76.5% based on 68 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 29,614 miles on the odometer. With a 23.5% failure rate, the 1990 Zephyr 550 is rated as "Excellent" for MOT reliability.
If you own or are considering buying a 1990 Kawasaki Zephyr 550, you can expect reliable MOT performance overall. Before your MOT, pay particular attention to motorcycle brakes: 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). With relatively low average mileage of 29,614 miles, many of these vehicles are still in good mechanical condition.
Motorcycle brakes — 2.9% of failures
Motorcycle brakes issues account for 2.9% of MOT failures on 1990 Kawasaki Zephyr 550 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 — 1.5% of failures
Motorcycle steering issues account for 1.5% of MOT failures on 1990 Kawasaki Zephyr 550 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.