Hello, Does anyone know what size allen wrench the plug on the left side of the 100-4 engine is? I have a leak and need to change the gasket. I see Moss does have the gasket. Wayne -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://autox.team.net/pipermail/healeys/attachments/20160929/2e93e4ac/attachment.html>