Honda BF40D Mode D'emploi page 354

5) Align the "T " mark on the pulser rotor with the "T " mark
on the cylinder head by turning the alternator rotor
counterclockwise. (The No.1 piston is at the top dead center
1
of its compression stroke this time.)
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• Be sure to turn the alternator rotor counterclockwise.
Never turn it clockwise.
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6) With the No.1 piston at the top dead center of its
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compression stroke, check the valve clearance on the No.1
cylinder.
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Insert a feeler gauge between the intake/exhaust side valve
adjusting screw and the valve stem, and measure the valve
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clearance.
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Valve clearance
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[3]
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EXHAUST SIDE
19
[5]
No.1
20
[6]
No.2
[7]
No.3
3-10
IN 0.13 - 0.17 mm (0.005 - 0.007 in)
EX 0.21 - 0.25 mm (0.008 - 0.010 in)
[4]
INTAKE SIDE
[5]
No.1
[6]
No.2
[7]
No.3
[1]
"T " MARK
[4]
"T " MARK
[3]
ALTERNATOR
ROTOR
[1]
FEELER GAUGE
[2]
VALVE ADJUSTING
SCREW
354
[2]
PULSER ROTOR