Fully restored 40 minus Seagull engine. Restored by the only certified supplier on the Island. Has a slight damage in the gas container. Was produced in between 1955 - 1967. A lot more specifications are offered on the Seagull web site. The serial # is SJM 6680. Paste the web link below into your web browser to review a description from Seagull. http://britishseagullparts.com/40Minus.htm Asking $350.00.