the engine is an rb concepts WS7III. I have attempted to email rb concept from a link on there website and and i get an a delivery report saying the email address does not exist!! If anyone could help me with getting hold of 'customer support' then let me know.

As for taking the engine apart, i think i will leave this to my LHS because the onyl thing i reallyknow what to do on an engine is to loook at it and say "wow" lol!!!