What year Kawasaki Zx 550 A1 is most reliable?

Based on MOT first-test pass rates, the 1984 Kawasaki Zx 550 A1 has the highest pass rate at 90.9%, out of 546 vehicles tested.

What are the most common Kawasaki Zx 550 A1 MOT failures?

The most common Kawasaki Zx 550 A1 MOT failures vary by year. Check the individual year pages for detailed defect breakdowns — links in the table above.

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Kawasaki Zx 550 A1 — Reliability by Year

738 vehicles · MOT data 1984–1985 · first-test pass rates

This page shows MOT first-test pass rates for each year the Kawasaki Zx 550 A1 was manufactured — click any year to explore that cohort in detail. Trying to decide which year to buy? See the full buying guide →

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Best pass rate year

1984

90.9% pass rate · 546 vehicles

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Lowest pass rate year

1985

63.3% pass rate · 192 vehicles

Year	Pass rate	Avg mileage	Vehicles
1985	63.3%	45,539 mi	192
1984	90.9%	42,367 mi	546

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