What year Kawasaki Ex305 B4 is most reliable?

Based on MOT first-test pass rates, the 1986 Kawasaki Ex305 B4 has the highest pass rate at 77.2%, out of 260 vehicles tested.

What are the most common Kawasaki Ex305 B4 MOT failures?

The most common Kawasaki Ex305 B4 MOT failures vary by year. Check the individual year pages for detailed defect breakdowns — links in the table above.

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Kawasaki Ex305 B4 — Reliability by Year

487 vehicles · MOT data 1986–1987 · first-test pass rates

This page shows MOT first-test pass rates for each year the Kawasaki Ex305 B4 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

1986

77.2% pass rate · 260 vehicles

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Lowest pass rate year

1987

72.6% pass rate · 227 vehicles

Year	Pass rate	Avg mileage	Vehicles
1987	72.6%	25,828 mi	227
1986	77.2%	21,571 mi	260

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