Dismantling 1 With the rocker assembly removed as described in Section 4, extract the split pin from one end of the rocker shaft (see illustration).

6.1 Rocker shaft assembly components

2 Take off the spring and plain washers from the end of the shaft.

3 Slide off the rocker arms, support pedestals and coil springs, keeping them in their originally fitted order. Clean out the oil holes in the shaft.

Reassembly
4 Apply engine oil to the rocker shaft before reassembling and make sure that the flat on the end of the shaft is to the same side as the rocker arm adjuster screws. This is essential for proper lubrication of the components.