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CARB

REED VALVE

6-9

2. Measure:

• valve stopper height 

Out of specification



Adjust the stop-

per/Replace the valve stopper.

3. Measure:

• clearance of reed valve 

Out of specification



Replace the reed

valve.

INSTALLING THE REED VALVE

When the reed valve assembly is installed,

reverse the removal procedure. Bear in mind

the following points.

1. Install:

• gasket

2. Tighten:

• tighten the bolts for reed valve

NOTE:

Tighten each bolt gradually to avoid it being

deformed.

Height of valve stopper 

6.0 ~ 6.4 mm

Clearance of reed valve 

Less than 0.2 mm

Reed valve

11 Nm (1.1 m • kg)

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Yamaha CS50 User Manual

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