 The SSV system also reduced the high oil consumption associated with the Knight double sleeve valve.Barr and Stroud Ltd of Anniesland, Glasgow, also licensed the SSV design, and made small versions of the engines that they marketed to motorcycle companies.In an advertisement in Motor Cycle magazine in 1922 Barr & Stroud promoted their 350cc sleeve valve engine and listed Beardmore-Precision, Diamond, Edmund, and Royal Scot as motorcycle manufacturers offering it.