- The control valve locknuts must be loosened and the adjustment screw removed before installation.
- The components must be reinstalled to their original positions.
2. Install the freewheel assembly.
3. Install the rocker arms while inserting the rocker arm shaft into the cylinder head.
Attention: Remove the rubber strip after installing the rocker arms.
4. Clean and install oil control ports for intake and exhaust rocker arms with new O-rings. If the holes in the rocker shaft and cylinder head are not in line, install a 12mm bolt into the rocker arm axle and rotate the axle.
Attention: the design of the oil control holes for the intake and exhaust valve rocker arms is different.