Draining The Fuel; Checking The Fuel Tank And Fuel Filler Cap; Checking The Fuel Filter; Checking The Fuel Cock - Yamaha F2.5A Service Manual

FUEL

Draining the fuel

WARNING
Before removing the fuel tank, fuel hose,
and carburetor, let the fuel drain com-
pletely.
1. Loosen the air vent screw 1 attached to
the fuel filler cap.
2. Set the fuel cock lever 2 to the open
position.
3. Place a drain pan under the drain hose,
and then loosen the drain screw and let
the fuel drain completely.
4-7
Fuel system
S69M4240
Checking the fuel tank and fuel filler
cap
1. Check the fuel tank and fuel filler cap for
cracks, leaks, or damage. Replace if nec-
essary.

Checking the fuel filter

1. Check the fuel filter for dirt or residue.
Clean if necessary.

Checking the fuel cock

1. Check the fuel cock for leaks. Replace
the O-ring 1 or fuel cock if necessary.

Checking the carburetor

1. Check the air and fuel passages, and jets
for dirt and foreign matter. Clean the car-
buretor body with a petroleum based sol-
vent if necessary.
S69M4040
S69M4055
1
S69M4250
69M3E11