FUEL
4-17
61U5H11
Fuel system
NOTE:
Make sure that the gaskets and diaphragms
are kept in place through the assembly
process.
Checking the fuel joint
1.
Visually check the fuel joint for cracks or
damage.
2.
Connect the special service tool at the
outlet of fuel joint.
3.
Apply the specified pressure to check
that the positive pressure is maintained
for 10 seconds. Replace the fuel joint if
necessary.
Assembling the fuel pump
NOTE:
Clean the parts and soak the valves and the
diaphragms in gasoline before assembly to
obtain prompt operation of the fuel pump
when starting the engine.
1.
Install the check valves
1
onto the fuel
pump body.
2.
Install the spring
2
and plate
3
.
3.
Install the new gaskets
4
, diaphragms
5
, collars
6
, O-rings
7
, base
8
, cover
9
on to the fuel pump body, and then
tighten the screws
0
to specified torque.
2
3
6G440050
4
8
5
4
5
6
9
7
0
6G440060
1
1
1
1
1
6G440040
6G440070
Vacuum/pressure pump gauge set:
90890-06756
Specified pressure:
50 kPa (0.5 kgf/cm
2
, 7.3 psi)
Fuel pump screw
0
:
3.5 N·m (0.35 kgf·m, 2.6 ft·lb)
61U5H11_04_1 06.2.13 1:23 PM Page 18
Содержание E115A
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Страница 256: ...YAMAHA MOTOR CO LTD Printed in Japan Oct 2005 1 2 1 E_1 Printed on recycled paper E115A 115B 140B ...