![](https://www.trialmaguk.com/wp-content/uploads/2021/11/IMG_20190905_0012-1024x976.jpg)
The Million Dollar Question Answered…
Who agrees?
The 0 1 2 3 5 observing system was introduced by Ralph Venables at the 1969 Southern Experts Trial followed by the Northern and British Experts Trials.
Picture: Sammy Miller (252cc Bultaco) – Is that a five!
Picture Credit: Alan Vines – Yoomee Archive