Honda BF135A Manual page 404

4) Install the valve spring and the valve spring retainer.
NOTICE
Do not confuse the intake valve spring and the exhaust
valve spring.
<Identification>
The intake side can be identified with the pink paint on the
spring. The exhaust side can be identified with the gray
paint.
<Installation direction>
Install the intake and the exhaust valve springs with the
paint mark side toward the valve spring retainer.
[1] LOCATION OF VALVE
SPRING PAINT:
5) Using the same special tool as that used during
disassembly, compress the valve springs and set the valve
keepers in the groove in the respective valve stems
securely.
TOOLS:
Valve spring compressor
Valve spring compressor attachment
NOTICE
• Take care not to let the special tools contact the cylinder
head.
• Do not compress the valve springs more than necessary
as it causes weak valve spring.
• The valve keepers can be installed in the groove in the
valve stem by applying a small mount of grease to the
valve keepers and adhering them to the groove in the
valve stem.
6) Tap on the valve stem head lightly with a plastic hammer
two or three times and set the valve stem and keepers in
the proper position securely.
NOTICE
• Tap at right angles with each valve stem head. Take care
not to bend the valve.
• Support the cylinder head with a suitable material to
prevent damage to the valve.
10-31
[2]
PAINT
07757-0010000
07757-PJ10100
[1]
VALVE SPRING
[1]
VALVE SPRING COMPRESSOR
ATTACHMENT
07757-PJ10100
[3]
VALVE
KEEPER (2)
[1]
PLASTIC
HAMMER
[2]
VALVE SPRING
RETAINER
[2]
VALVE SPRING
COMPRESSOR
07757-0010000