Yamaha 250GETO, Service Manual

Page: 84 / 293

FUEL
4-19 6S35H11
Fuel system
4. When there are no air bubbles left, tight-
en the air bleed screw.
5. Disconnect the oil pump link rod joint
2
from the oil pump lever.
6. Disconnect the oil hose (translucent) and
start the engine.
7. Make sure that the engine oil is come out
of the outlet of oil pump. After that, con-
nect the oil hose (translucent).
c C
When start the engine while bleeding the
air bubbles, be sure to use the premix fuel.
8. When the oil pump lever
3
at the full
open position, connect the oil hose and
start the engine for 5–10 minutes.
9. Check that the air bubbles flows into the
oil hose (translucent). If the air bubbles
still leaves into the oil hose, repeat the
steps 1–6.
Bleeding the oil pump
c C
9
Make sure that the engine oil is filled in
the engine oil tank.
9
If the engine oil is not in the engine oil
tank, fill the engine oil tank.
1. Place rags around the air bleed screw
1
to catch any oil that might spill.
2. Fill the engine oil tank with engine oil.
3. Loosen the air bleed screw
1
and make
sure that both the oil and air bubbles flow
out.
NOTE:
Remove the air bleed screw to breed the air
bubbles completely.
6S340010
1
6S340020
2
3
Recommended engine oil:
YAMALUBE 2-stroke outboard
motor oil
6S340060
1
6S340050
6S35H11_04 9/9/05 1:23 PM Page 20