Royal Enfield Taurus Diesel Motorcycle. 325cc four stroke, air cooled diesel. https://image.nostr.build/4c5404b22392214a0a33568aedfe646dd01bcbbb4427e64b7e0c1f752ac66ceb.jpg  

 seems reliable and beautiful, I know nothing about bikes tho 

 I don’t know how well it would run on veg oil. Curious…