Glossary

PO   Previous Owner
DPO   Dumb Previous Owner
OE O.E is a term used in New Zealand for Kiwis traveling overseas for their Overseas Experience. They usually come back home after a few years and settle down. In this stag's case it liked NZ so much it stayed.
NOS New Old Stock. Parts that have hung around in their boxes, are brand new but old
WOF Warrant of Fitness. Similar to MOT. Required every 6 months