Suzuki RA410 Manual page 402

TABLE B-3 FUEL PRESSURE CHECK (CONTINUED)
STEP
8 With fuel pump operated and fuel return
hose blocked by pinching it, is fuel pres-
sure applied?
9 1) Operate fuel pump.
2) With fuel return hose blocked by pinch-
ing it, check fuel pressure.
3) Is it 450 kPa (4.5kg/cm
more?
ACTION
2
, 64.0 psi) or
ENGINE AND EMISSION CONTROL SYSTEM 6E1-37
YES
Faulty fuel pressure regu-
lator.
Faulty fuel pressure regu-
lator.
NO
Shortage of fuel or fuel pump
or its circuit defective (Refer to
TABLE B-1 FUEL PUMP CIR-
CUIT INSPECTION).
Clogged fuel filter, restricted
fuel feed hose or pipe, faulty
fuel pump or fuel leakage from
hose connection in fuel tank.