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FUEL PUMP
FUEL
4-4
E
CHECKING THE FUEL PUMP
1. Check:
•
Body
•
Body
•
Body
Cracks/damage/leak
→
Replace.
Foreign matters
→
Clean.
•
Seat valve
Cracks/ damage
→
Replace.
•
Diaphragm
Damage
→
Replace.
2. Check:
•
Fuel pump
Reverse air flow
→
Replace.
Checking steps
NOTE:
D o no t ove rp re s s ur i ze th e f ue l pu m p.
Excessive pressure may cause air to leak
out.
(1) Install the Vacuum/pressure pump gauge
set onto the fuel pump as shown.
(2) Apply the specified pressure with the
Vacuam/pressure pump gauge set.
NOTE:
• Make sure no air comes out of the
opposite side of the fuel pump.
• Start the engine and confirm the proper
function.
Vacuum/pressure pump gauge set
90890-06756
Fuel pump pressure
50 kPa (0.5 kg/cm
2
, 7.25 psi)
1
2
3
4
5
Содержание 25BMH
Страница 48: ...FEATURES AND BENEFITS GEN INFO 1 12 E COOLING SYSTEM Fig 7 ...
Страница 49: ...1 12 CARACTERISTIQUES ET AVANTAGES GEN INFO F ...
Страница 50: ...1 12 MERKMALE UND VORTEILE GEN INFO D ...
Страница 51: ...1 12 CARACTERÍSTICAS Y VENTAJAS GEN INFO ES ...
Страница 92: ...MAINTENANCE SPECIFICATIONS SPEC 2 8 E DIMENSIONS ...
Страница 156: ...GENERAL CHK ADJ 3 26 E NOTE Grease the inner cable and the lock nut 2 Apply Yamaha grease D ...
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Страница 446: ...Printed on recycled paper Printed in Japan Oct 2000 1 9 1 25BMH 30HMH YAMAHA MOTOR CO LTD ...