Help Advice

Ian Street.
Very much doubt it if it was done by a trained technician. And they wouldn't admit it anyway. But ask the question and see what happens. Or take it to another dealer and ask them to check for foul play.
Joe.

 

Won't be down to having valves adjusted there is no way that they could cause any problems with a head gasket....just one of those things how old is the bike and what is the mileage?

 

Rocker cover gasket maybe. Head gasket no but strange how it happened straight after a service

 

Head gaskets can fail at any time for a variety of reasons to uneven head torque, from a loose head bolt, corrosion form coolant jacket or even a bit of detonation.

 

Doesn't appear the 765 engine requires the head bolts checking/torqueing as part of any (major) service, just a one off camshaft timing adjustment and that shouldn't have disturbed the head gasket.
Perhaps just coincidence,