What year Honda Cb400nb is most reliable?

Based on MOT first-test pass rates, the 1982 Honda Cb400nb has the highest pass rate at 2.7%, out of 108 vehicles tested.

What are the most common Honda Cb400nb MOT failures?

The most common Honda Cb400nb MOT failures vary by year. Check the individual year pages for detailed defect breakdowns — links in the table above.

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518 vehicles · MOT data 1982–1983 · first-test pass rates

Best pass rate year

1982

2.7% first-test pass rate · 108 vehicles

Lowest pass rate year

1983

1.6% first-test pass rate · 410 vehicles

Year	Pass rate	Avg mileage	Vehicles
1983	1.6%	36,487 mi	410
1982	2.7%	29,257 mi	108

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