Honda HHT25S Manual page 102

HHT25S•HHT35S
4. ROCKER ARM/VALVE LIFTER
REMOVAL
1. Remove the adjusting screw lock nuts [1] and remove the adjusting
screws [2] from the rocker arms [3].
Remove the cam pulley
2. Tighten the holder bolt [1] of the special tool fully as shown.
TOOL:
Rocker arm replacement tool [2] 070PF-Z0HA100
Set the special tool on the cylinder head over the rocker arm and valve
lifter that you are going to take apart, and tighten the bolt (5 mm) [3] to
the cylinder head cover installation boss [4] by hand.
Do not tighten the bolt (5 mm) using a wrench.
3. Tighten the push rod [1] of the special tool by hand until the tip of the
push rod comes to the center of the valve lifter shaft [2]. Move the
special tool left and right and check that it can be moved slightly.
4. Using a 14 mm wrench [1], tighten the push rod [2] until the shaft of the
valve lifter goes out from the rocker arm [3].
Loosen the push rod and remove the bolt (5 mm) [4], and then remove
the special tool.
The valve lifters and rocker arms cannot be reused after they are
pressed apart. Always replace with new parts.
CRANKSHAFT / PISTON / VALVES / CYLINDER BLOCK
,
(P. 8-1 P. 8-7).
[3]
[2]
It should be able to move slightly in
this direction.
(Or the cylinder head cover
installation boss will be damaged)
[1]
[2]
[1]
[1]
[2]
[3]
[1]
[4]
[2]
[4]
[3]
9-11