Honda WDP30X Owner's Manual page 19

Pump
Pump type
Suction port diameter/thread type
Discharge port diameter/thread
type
Maximum total head
Maximum suction head (dry)
Maximum suction head (after
priming pump housing)
Maximum discharge capacity
Self-priming time
Maximum solid size
Diaphragm
Valves
Gear Box
Pump operating
frequency
Gear reduction
Pump stroke
Gear box oil capacity
Maintenance
Unleaded gasoline
Fuel with a pump octane
rating of 86 or higher
SAE 10W-30
Engine oil
API SJ, or later
SAE 80W/90 GL5
Gear box oil
gear oil
NGK– BPR6ES
Spark plug type
DENSO– W20EPR-U
Maximum governed
3,000 ~ 3,150 rpm
speed
Tune-up
0.028 ~ 0.031 in
Spark plug gap
(0.70 ~ 0.80 mm)
Carburetor idle speed
1,400
Intake:
Valve clearance 0.15 ± 0.02 mm
(cold) Exhaust:
0.20 ± 0.02 mm
Other specifications No other adjustments needed
Diaphragm with spring-type
connecting rod
3 in/NPT
50 ft (15 m)
16 ft (4.9 m)
24 ft (7.3 m)
80 gpm (303 l/min)
20 sec at 20 ft (6.1 m)
2.4 in (60 mm)
Neoprene with nylon cloth
Neoprene with cast iron
inserts
73 strokes/min.
43:1
2.77 in (70.4 mm)
0.8 qt (0.8 l)
See page 11
See page 8
See page 12
See page 9
See page 9
+200
See page 10
rpm
-150
See your
authorized
Honda servicing
dealer
Pump Performance Curve
This graph shows the relationship between the pump discharge
capacity and the total dynamic head, based on clear water at sea
level. As you increase the total head, the discharge capacity will
decrease.
Wiring Diagram
IGNITION
CONTROL
MODULE
BI
SPARK
PLUG
OIL
LEVEL
SWITCH
ENGINE
SWITCH
BI/R
Y
OIL
ALERT
UNIT
BI BLACK
Y YELLOW
R RED
19