1961 Triumph Speed Twin, 5TA - Part 1 - An introduction

First a few disclaimers. This is about old bikes so my apologies are due to Thomas. I know you don’t think old bikes are worth more than their weight in scrap steel. Hard luck; this is one of the few things we disagree on. Sorry too to general readers. This whole series of stories relates to a motorcycle that is approaching 60 years old. If you have no knowledge of the bits and pieces that make infernal combustion engines work, you may need to use Google on some of this stuff. In my mis-spent younger years, my brother in law told me of an old Triumph motorcycle which was for sale. He reckoned that the number plate on it could be sold for more than the cost of the bike, which we could then sell as well, thus making a decent profit on the two transactions. Never one to ignore the chance to pocket a few quid, I agreed to go and see the bike with him. That was over 30 years ago now. It turned out to be a 196...