Measure rocker arm shaft OD.
Allowable limit: 11.95mm.
Micrometer
Measure rocker arm hole ID.
Allowable limit: 12.05mm.
Clearance between rocker arm and rocker arm shaft
Allowable limit: 0.08mm.
Screw off the two locknuts and remove the lock washer, cam
shaft and C-type gasket. Screw off the three cap nuts and
Tester
hexagon nuts, remove cylinder head.
C-type gasket
Cylinder head
Bolt
Lock washer