Girder forks separate pre-war bikes from post-war. They may be fairly primitive, but they were effective. Here’s how to get the best from them

Engineering expert and creator of brilliantly bonkers bikes in MCN every month

It’s been fitted on production bikes for 45 years, so there’s every chance you’ll find injection on a modern classic. And there’s nothing to be afraid of

These are the many parts of a Triumph TR6C engine that’s been tuned and blown-up countless times over the last half century. All Rick needs to do is see if its troubles can be put behind it…

Discovered a leak? Time to drop the motor and lift the casings

The ‘hooligan’ twin was such a hit that demand outstripped supply. Can the legendary two-stroke sway our Brit bike fanatic?