Just short of three years years ago, on the 21st August 2018, we bought a replacement lawnmower.  I know this, because for years I have been stuffing the receipts for anything that should have a guarantee into a desk drawer, but have rarely, if ever cleared them out again.  We bought a Flymo UltraGlide because our old Flymo, which was about 20 years old but still worked was so worn that there were numerous holes in its base as a result of which it wasn't hovering as well as it should.  It's reliability was what pushed us towards buying another Flymo. Flymo Ultra Glide Three years later, and on a dry Tuesday evening I got the 'new' Flymo out, but immediately something felt wrong.  The mower was running roughly.  Worse still was the pungent burning smell that quickly developed.  Needless to say I stopped the grass cutting and an investigation ensued. Taking the mower apart was time consuming since the majority of its fastenings are well hidden, especial...