Progress is fine, but it's gone on for too long.

 These wouldn't turn up very often! Unless it was a part of the toolkit of the low mileage Hesketh you bought... Thanks, Derek!

  Those long strokes are expensive!

Seen on Marketplace. Rather disappointing for something that doesn't look very old or misused... I expect this is shoddy material rather...

 The oval piston street bike. Surely, one of the most exotic production vehicles of all time. Honda made 300 and I bet very few were ever ri...

No mention of the self drilling option.  

 Wretched excess... Longer, lower, wider, mostly longer...

  Look at those castings. No human included for scale but that's an impressive hunk of iron. Blowing engine - Wikipedia  

Another great poster from the European art deco era of graphic design.  Artist: René Bleuer

  Back in the 1980s when everyone was overreacting about the 3wheel ATCs, Missile Engineering offered a two wheel conversion kit to convert ...