AAATHE kW, or a motor tricycle with power not exceeding 15 kW.  A2 motorcycle licence:   At age 19 or over, you take a test on a  motorcycle without sidecar of at least 395 cc with a power output  of at least 25 kW but not exceeding 35 kW. If you pass, you may ride  any motorcycle not exceeding 35 kW and with a power to weight  ratio not exceeding 0.2 kW/kg.  Full A motorcycle licence:   Test taken on a motorcycle without  sidecar, of at least 595 cc and an engine power of at least 40 kW.  This gives you full access to all motorcycles and motor tricycles. You  obtain a category A licence by taking progressive access from age  21, or under the direct access scheme from age 24.  Category A under progressive access:   You can take a category A  practical test at age 21 if you already have an A2 licence that you’ve  held for a minimum of two years. You don’t need to take another  theory test or hold a CBT certificate.  Category A under direct access:   This is for riders aged 24 or over. To  obtain a category A licence you must  ● successfully complete a CBT course  ● pass the motorcycle theory test  ● pass the practical motorcycle test.  highwaycodeuk.co.uk 161  Passing the practical test on a motorcycle of at least 40 kW  (53.6bhp) gives immediate access to all sizes of motorcycle.  You MUST NOT   carry a pillion passenger or pull a trailer until you  have passed your test. Also see Rule 253 covering vehicles  prohibited from motorways.  Law MV(DL)R reg 16 