3-18
Replace the fuel filter (high pressure side) at the replacement
interval shown or in the following case.
• Regular replacement period of every 2 years or 400 operating
hours
• When the fuel pressure does mot reach 270 – 320 kPa (2.8 –
3.3 kgf/cm
2
, 40 – 47 psi) with the pressure regulator control
tube connected, be sure that the fuel pump unit (P. 5-107) and
the pressure regulator (P. 5-106) are normal, and replace the
fuel filter (high pressure side).
Replacement:
1) Remove the engine cover (P. 4-2).
Remove the L./R. engine under covers (P. 4-9).
2) Relieve the fuel pressure following the instruction of “How
to relieve fuel pressure” (P. 5-102).
3) Remove the three screw-washers from the strainer cover
while wrapping the strainer cover with a cloth or shop
towel.
Replace the O-ring on assembly.
4) Remove the strainer. Replace the fuel strainer if it is
contaminated or damaged.
Assembly:
1) Apply the engine oil to a new O-ring and install it on the
strainer cover.
2) Install the spring, strainer and washer in the case, then
install the strainer cover.
3) Tighten the three screw-washers to the specified torque.
TORQUE: 3.4 N.m (0.35 kgf.m, 2.5 lbf.ft)
4) After tightening the screw-washers, check for gasoline
leakage.
5) Set a new sealing washer on the service check bolt, and
tighten the service check bolt to the specified torque.
TORQUE: 12 N.m (1.2 kgf.m, 9 lbf.ft)
6) Install the L./R. engine under covers (P. 4-14).
Install the engine cover (P. 4-2).
8. FUEL STRAINER (HIGH PRESSURE
SIDE)
• Disconnect the battery cable from the battery negative (-)
terminal before relieving the fuel pressure.
• Replace the sealing washers when the service check bolt is
loosened or removed.
• Catch the draining gasoline from the filter to avoid
contaminating the engine parts with the gasoline.
[5] STRAINER
COVER
[8]
5 mm
SCREW-
WASHER
(3)
[2] SPRING
[1]
STRAINER
[3]
WASHER
[4] O-RING
[6] SEALING
WASHER
[7] SERVICE
CHECK
BOLT
Gasoline is highly flammable and explosive.
You can be burned or seriously injured when handling fuel.
• Keep heat, sparks and flame away.
• Handle fuel only outdoors.
• Wipe up spills immediately.
WARNING