Question

Difficulty: MediumVehicle Registration Certificate (V5C)

You modify your vehicle by replacing the engine with one that has a different cylinder capacity. What must you do regarding your vehicle registration certificate (V5C)?

  1. A
    Keep the existing certificate unchanged until the vehicle is due for its next annual MOT test
  2. Update the relevant section of the certificate with the new engine details and send it to the DVLAAnswer
  3. C
    Notify only your motor insurance provider, as registration documents do not record technical engine specifications
  4. D
    Retain the original certificate unaltered and declare the modification only when renewing vehicle excise duty

Answer

Update the relevant section of the certificate with the new engine details and send it to the DVLA
The registered keeper is legally required to notify the DVLA of significant vehicle changes, such as alterations to engine size, cylinder capacity, fuel type, chassis, or colour. This is done by completing the changes section on the V5C registration certificate and returning it to the DVLA so an updated certificate can be issued.

Step-by-Step Solution

1
Identify the nature of the vehicle modification
Changing the engine cylinder capacity represents a major technical alteration that affects vehicle taxation, emissions categorization, and registration records.
The DVLA requires official technical records to match the exact specification of the vehicle on the road.
2
Apply the registered keeper's statutory duty for the V5C
The registered keeper must complete the changes section of the V5C registration certificate with the new engine number and capacity and return it to the DVLA.
Maintaining accurate vehicle and keeper details with the licensing authority is a legal obligation.

Key Concept

Registered keeper duty to notify the DVLA of major vehicle modifications using the V5C
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