"In terms of M20s, right up until the middle of May, quantities of up to 500 motorcycles were being sent to France every few days. Many ended up unused in Ordnance depots around Cherbourg, Le Mans and Laval. Inevitably, many were not put beyond use...Imagine the spare parts stock too..."
That is also new to me, thank you. I always assumed the bikes had been in service and were left behind near the coast during the evacuations. So the german army captured intact depots with large quantities of unused machines? No wonder they put them in action....