* Ariel Square Four The very first Squares used tricksy overhead cam engines, and Markus Nikot had all sorts of fun fettling his (part one of two)
* BMW R60Roland Brown roadtests a restored 1960 Boxer 600cc twin
* Greeves: The Prototype Revived The very first Greeves motorcycle has long since disappeared off the face of the planet, so marque enthusiasts from the Greeves Riders' Club set about building a faithful replica
* Hobart 250 Hobart Bird of Coventry built bikes in the early part of the 20th century, and this JAP-engined two-speeder dates from 1919
* Moto Guzzi Geezers Steve Wilson takes his Guzzi California for a once-over at Moto Corsa, and uncovers a tale of Italian enthusiasm (and a Power Commander chip...)
* Norvil Commando 850 Norvil built a brand new 850 Commando Roadster, and then let Frank Westworth loose on it. You can see how well it starts here, which turned out to be a little tricky to demonstrate in print
* Triumph Pre-Unit Twins One machine set the standard for the British post-war mass motorcycle market, and you can buy one for less than you think. A quick buyer's guide reveals a TR6 replica for under six grand, a slickshift-equipped 5T for £4000, a T110 for £5500 and Steve McQueen's Thunderbird

PLUS: Odgie starts work on Project Speedster (the unlikely combination of a James Comet rolling chassis and a Sunbeam scooter motor); Humbernut finishes making big ends; Anarchy uses sparks to check his engine's tune; PUB reviews Val Page's career and the Ariel 4; Dave Minton goes Bendswingin' and Frank Westworth tries to recover a cylinder head...