TOHATSU BFT75A - Assembly

14-26
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CYLINDER HEAD
ASSEMBLY
Apply molybdenum disulfide oil to the valve stem sliding
surface, and insert the valve [1] into the valve guide.
Check that the valve moves up and down smoothly.
• Do not confuse the intake valve and the exhaust
valve on assembly.
Install the valve spring seat [2].
Apply engine oil to the inner wall of a new valve stem
seal [1].
• Note that valve stem seal A (intake side) [2] has the
white spring [3] and valve stem seal B (exhaust side)
[4] has the black spring [5].
Do not confuse them on assembly.
Set the valve stem seal in the special tool, and push it
straight into the valve guide by hand.
• Use the 5.5 mm side of special tool.
[1]
[2]
TOOL:
Stem seal driver [6] 07PAD-0010000
[4]
[5]
[2]
[3]
[1]
[6]
[6]