Rocker gear - dismantling and reassembly

1 With the rocker assembly removed, extract the split pin from one end of the rocker shaft.

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.

Rocker components
Rocker components

Clean out the oil holes in the shaft.

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.

Flat on rocker shaft (arrowed) and retaining pin
Flat on rocker shaft (arrowed) and retaining pin

This is essential for proper lubrication of the components.

5 If a new rocker shaft is being fitted, check that the end plug is located correctly.

Rocker shaft front end plug (A), flat (B) and oil hole (C)
Rocker shaft front end plug (A), flat (B) and oil hole (C)