Disassembling The Carburetor; Checking The Carburetor - Yamaha F6Z Service Manual

CARBURETOR

DISASSEMBLING THE CARBURETOR

Remove:
Float pin 1


Float 2


Needle valve


NOTE:
Tap float pin 1 in the direction of arrow
of carburetor body 3 and in the reverse
direction with a pin to remove.

CHECKING THE CARBURETOR

NOTE:
Before disassembling the carburetor, make
sure to note the number of times the pilot
screw is turned out from the seated
position to its set position.
CAUTION:
Do not use steel-wire for cleaning the jets.
This may enlarge the jet diameters and
seriously affect performance.
1. Check:
Carburetor body


Cracks/damage
Contamination
2. Check:
Needle valve


Pilot screw


Grooved wear
3. Check:
Main nozzle


Main jet


Pilot jet


Contamination
4. Check:
Float


Cracks/damage
5. Check:
O-ring


Wear/cracks/damage
4-10
a
Replace.

Clean.

Replace.

Clean.

Replace.

Replace.