• Welcome to the new Diversion Forum. Please be sure to read the "Welcome to the new forum" thread in General Spouting. This contains some important information. I hope you enjoy the new site. Steve (The Gremlin) Just so you are aware the new URL for this site is: diversion.bikersoracle.com

Hi i have a 1999 d9 and it is suffering from high crank case pressure,

Hi all i have a 1999 d9 which has very high crank case pressure to the point of blowing oil into the air box i removed the breather and ran the bike to try and identify the fault and found bike ran smooth with no exhaust smoke, does anyone know if this could be a failed head gasket between cylinder and oil passage causing pressurising of the crank case any help woul be mutch appreciated