Install gasket (10), seal (5), and valve cover (4).
Lubricate three nuts (3) with clean engine oil.
Install three nuts (3), steel washers (6), and sealing
NOTE: When you install three nuts (3) without shim
washers (7), tighten the nuts to a torque of 20 N·m
(15 lb-ft). Do not overtighten the nuts.
NOTE: When you install three nuts (3) with shim washers
(7), tighten the nuts to a torque of 30 N·m (22 lb-
ft). Do not overtighten the nuts.
Connect breather hose (2).
Tighten hose clamp (1).
Rocker Shaft and Pushrod - Remove
SMCS Code: 1102-011; 1208-011
Removal Procedure Start By:
Remove the valve mechanism cover. Refer to
Disassembly and Assembly, "Valve Mechanism Cover
- Remove and Install".
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened
NOTE: It is not necessary to remove the oil supply tube
in order to remove the rocker shaft assembly and
Remove three nuts (1) and bolt (2). Begin with the end
brackets and move toward the center.
Remove rocker shaft assembly (3).
Remove the oil seal from the oil supply passage in the
Remove eight pushrods (4). Place an identification
mark on the pushrods for installation.
Rocker Shaft - Disassemble
SMCS Code: 1123-015
Remove the rocker shaft assembly. Refer to
Disassembly and Assembly, "Rocker Shaft and
Pushrod - Remove".