With the new bearings, piston rings and seals fitted into the 850 block (at last), it was time to pull the old 700cc engine from the Vegemite Special so certain other parts could be swapped over. Firs

…from a world champion mechanic. Yamaha spanner ace Liam Coffey reveals all

Pick up the phone, call your local railway, offer to volunteer, and it could be the start of a whole new adventure, says ALEX ALDER. You might even go the whole hog and buy an engine…

Pinning down the cause of the recurrent engine trouble that affected multiple cruises took patience and perseverance for Justin Morton

Alex was drawn to his Yamaha RD200DX by its bespoke stainless steel expansion-chamber exhausts, but it seems they weren’t made with longevity in mind

Refreshing our Dunstall Honda CB750’s forks should be straightforward, but ends up involving precision machining and much profanity. Alan reports from the end of his tether