Honda BF40D Manuel D'utilisation page 136

4) Using the special tool, compress the valve spring and set
the two valve keepers in the groove in the valve stem as
shown.
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• To facilitate installation of the valve keepers, apply a
2
small amount of grease to the valve keepers and push
them in the groove in the valve stem.
3
TOOL:
Valve spring compressor
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5) Tap the valve stem head lightly with a plastic hammer two
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or three times, and set the valve stem and valve keepers in
the proper position securely.
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• Tap each valve stem head straight down. Take care not to
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bend the valve.
• Support the cylinder head with an engine table or
16 equivalent to prevent damage to the valve.
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9-25
07757-0010000
[1]
VALVE SPRING
COMPRESSOR
07757-0010000
[3]
GROOVE
136
[2]
VALVE
KEEPER (2)
[1]
PLASTIC HAMMER