Group 3 · Faults that prohibit operating a vehicle · Question 22 of 59
A motorcycle may not be operated if:
Choose an answer to check yourself.
Answer and explanation
Correct answer: The safety bars provided by its design are missing.
Explanation
Operation is prohibited if a motorcycle lacks the safety arcs (crash bars) provided by its design. The minimum residual tread depth for motorcycles is 0.8 mm, so 1.6 mm is acceptable (Rules, Annex 2, item 6(12); item 4(1)).

