Yamaha CS50 - Reed Valve; Removing the Reed Valve; Checking the Reed Valve

CARB
REED VALVE
6-8
REED VALVE
REMOVING THE REED VALVE
1. Remove:
• helmet box
Refer to “REAR BODYWORK, MUD-
GUARD” in chapter 3.
• air filter box assembly 
2. Remove:
• carburetor
See section “REMOVING THE CARBURE-
TOR”
3. Remove:
• carburetor joint 
• reed valve assembly
CHECKING THE REED VALVE
1. Inspect:
• carburetor joint
Damage/Cracks
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Change
• reed valve
Fatigue/Cracks
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Change
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Inspection steps:
• Visually inspect the reed valve.
• If there is any doubt on how to seal, apply
suction on the carburettor side.
• Leaks should be light or moderate.
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