Installing The Carburetor; Fuel Cock; Checking The Fuel Cock - Yamaha YB50 Service Manual

CARBURETOR/ FUEL COCK
EAS00492

INSTALLING THE CARBURETOR

1. Adjust:
• engine idling speed
Refer to "ADJUSTING HE ENGINE IDLING
SPEED" in chapter 3.
2. Adjust:
• throttle cable free play
Refer to "ADJUSTING HE ENGINE IDLING
SPEED" in chapter 3.
EAS00505

FUEL COCK

CHECKING THE FUEL COCK

1. Stop the engine.
2. Remove:
• helmet box
Refer to chapter 3, "REAR BODYWORK,
MUDGUARD" section.
3. Inspect:
• fuel cock
Steps for inspecting fuel cock:
• Disconnect the fuel hose
• Place a receptacle under the end of the fuel
hose.
• Disconnect the vacum hose
to create a vacuum
• If the fuel comes out of the fuel hose as a
result of applying a vacuum and stops when
the vacuum is stopped, the cock is in good
condition. If not, clean or replace the vacuum
hose, the fuel hose and cock.
5-7
CARB
Engine idling speed
1.800 rpm
Throttle cable free play (at the
flange of the throttle grip)
2 ~ 5 mm
and suction