Revision question · Safety and your motorcycle

What would make a motorcycle tyre illegal?

Revision material from the imported DVSA bank includes source-checked Lanekind learning corrections. These corrections are not newly issued official examination questions, and practice does not reproduce a live test paper.

Answer options

Tread less than 1.6 mm deep

Tread less than 2 mm deep

A large bulge in the sidewall

A stone wedged in the tread

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A large bulge in the sidewallThis was the right answer

When checking tyres, check for bulges or cuts in the sidewalls. If there's any sign that the tyres have been damaged, they should be replaced.

Reviewed reading for this question

Treat structural tyre damage as unsafeReviewed guidance summary · The sidewall bulge is the illegal-condition option; the cut question is about safe replacement, not a claim that every superficial mark exceeds the statutory threshold.

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