Consumer information – HONDA WMP20X User Manual
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Tune-up
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.
CONSUMER INFORMATION
REPLACEMENT PARTS,
OPTIONAL EQUIPMENT, AND SERVICE ITEMS
Contact an authorized Honda servicing dealer to purchase any of
these (or other) genuine, original Honda items for your pump.
Spark plug gap
0.028 ~ 0.031 in
(0.7 ~ 0.8 mm)
Carburetor idle speed
1,400
rpm
Shop manual
Valve clearance
(cold)
Intake:
0.15 ± 0.02 mm
Exhaust:
0.20 ± 0.02 mm
See your
authorized
Honda servicing
dealer
Other specifications
No other adjustments needed
+200
-150
0
0
50
100
150
200
250
20
40
60
80
100
DISCHARGE CAPACITY (gal/min)
TOTAL
HEAD (ft)
Replacement Parts
Item
Part Number
Notes
Spark plug
98079-56846
NGK (brand) BPR6ES
Air filter
17210-ZE1-517
Includes paper and
foam elements
Strainer
78325-YE0-003
Clamp not included
Optional Equipment
Item
Part Number
Notes
Spark arrester
18310-ZH8-810
Muffler
18355-ZE1-000
Arrester
90055-ZE1-000
Screw
Pin lug
hose kit (2 in.)
124020-1145-PINKT
Each kit includes:
20’ suction hose,
50’ discharge hose,
Steel strainer (3/8" hole)
Camlock hose
kit (2 in.)
124020-1145-CLKT
No-Spill gas
can
06176-1450
5 gal
Service Items
Item
Part Number
Notes
SAE 10W-30
engine oil
08207-10W30
Genuine Honda
recommended oil
Fuel stabilizer
08732-0001
For storage
8 oz. bottle
POM50594-G_WMP20X.fm Page 16 Tuesday, March 25, 2008 2:34 PM