Yamaha CS50 User Manual

CARB
CARBURETOR/ FUEL COCK
6-7
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  and suction
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.
Engine idling speed
1.650 ~ 1.950 r/min (CS50)
1.850 ~ 2.150 r/min (CS50Z)
Throttle cable free play (at the
flange of the throttle grip)
2 ~ 5 mm

Yamaha CS50 Specifications

General

Fuel Capacity	4.5 liters
Fuel System	Carburetor
Cooling	Air-cooled
Transmission	Automatic
Starting System	Kick start
Brakes	Drum brakes (front and rear)