What year Kawasaki Er250 B1 is most reliable?

Based on MOT first-test pass rates, the 1984 Kawasaki Er250 B1 has the highest pass rate at 2.5%, out of 159 vehicles tested.

What are the most common Kawasaki Er250 B1 MOT failures?

The most common Kawasaki Er250 B1 MOT failures vary by year. Check the individual year pages for detailed defect breakdowns — links in the table above.

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Kawasaki Er250 B1 — Reliability by Year

262 vehicles · MOT data 1983–1984 · first-test pass rates

Best pass rate year

1984

2.5% first-test pass rate · 159 vehicles

Lowest pass rate year

1983

0.7% first-test pass rate · 103 vehicles

Year	Pass rate	Avg mileage	Vehicles
1984	2.5%	21,098 mi	159
1983	0.7%	27,044 mi	103

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