My '03 Mag 325 that I have had for 1.5 yrs has developed a slight oil lk on top of engine close to plastic cap that I assume is used to adjust valves. It is not bad and small enough to dry itself up after some riding. It appears to be head gasket or under cam housing.

Anybody else have this problem ?

Over that past year, I have found several bolts/nuts/screws that didn't seem to be as tight as they should have been from factory and actually had rear brake caliper fall off because bolts backed out and fell off

 

I have a polaris 500 and their was a slight oil leak at the drain plug because they used a plastic washer in stead of a copper but other then that no others. You should probably get the dealer to look at it just in case it's something serious.