


The S6 Range
This range has been in use from 2001 to the present day, again with a number of variations using the same bottom end (which is very strong) power ranges from 1.5 Hp to 12+Hp in full race water cooled trim.
The S5 Range
This range was in use from the 1970's to 2002 and ranged in power from the S5E at 1.5 Hp to the S5-GS which in full race tune could put out nearly 10 hp This engine can be identified from the inlet manifold which mounts onto the back of the cylinder barrel
S6T ENGINE DIAGRAM - approx 5.5 hp (quite rare)