Suzuki DL650 Service Manual page 218

5-8
FUEL SYSTEM AND THROTTLE BODY
FUEL PRESSURE INSPECTION
Lift and support the fuel tank. ( - 5 - 7 )
Place a rag under the fuel feed hose.
Remove the fuel feed hose and install the special tools
between the fuel tank and fuel delivery pipe.
09940-4021 1 : Fuel pressure gauge adaptor
09940-40220: Fuel pressure gauge hose attachment
0991 5-7451 1 : Oil pressure gauge set
Turn the ignition switch ON and check the fuel pressure.
Fuel pressure: Approx. 300 kPa (3.0 kgf/cm2, 43 psi)
If the fuel pressure is lower than the specification, inspect the
following items:
*
Fuel hose leakage
*
Clogged fuel filter
*
Pressure regulator
*
Fuel pump
If the fuel pressure is higher than the specification, inspect the
following items:
*
Fuel pump check valve
*
Pressure regulator
Before removing the special tools, turn the ignition
switch to OFF position and release the fuel pressure
slowly.
Gasoline i s highly flammable and explosive. Keep
heat, sparks and flame away.
@
To fuel delivery pipe.
@
To fuel feed hose.