The tensioner is screwed into the cylinder head from the right side. It is supplied with pressurized oil through a hole in the cylinder head.
Removing
1. Set the piston of the first cylinder to the TDC position, refer to Section Setting the piston of the first cylinder to the TDC position.
2. Remove the ventilation hose at the top.
3. Remove the air intake.
4. Remove the air filter, refer to Section Removal and installation of the air filter.
5. Turn out a chain tensioner for a hexagon of the case from a head of cylinders.
Installation
Screw in the chain tensioner (1) with new sealing ring (2) force 80Nm.