Hi Gadge,
The motor runs alright but blows a fair bit of smoke. That is probably my fault for tipping the mower up too far trying to look underneath it. That might burn off after a while? It also seems to be weeping oil around the sump seal.
I am away from home for a few days but I can tell you that the plate on the mower says that it is Family YBSXS 1481HH. 274459

Cheers

Tim