Concrete Vibrator, Backpack Model WBP50
Page 16
March 2014
TROUBLESHOOTING
Engine Will Not Start
Possible Cause
Correction
Check control
positions .
Fuel valve OFF .
Move lever to ON
position .
Choke open .
Move lever to CLOSED
position unless the
engine is warm .
Engine switch OFF .
Turn engine switch to
ON position .
Check engine oil level .
Engine oil level low (Oil
Alert stops engine) .
Fill with the
recommended oil
to the proper level .
See
“Engine Oil” on
page 12
.
Check throttle wire .
Throttle wire nipple is
not engaged .
Verify that the throttle
wire is engaged . See
“Check the Throttle
Lever” on page 7
.
Check throttle position Throttle is in STOP
position
Move throttle to SLOW
position . See
“Setting
the Engine Speed” on
page 8
.
Check fuel .
Out of fuel .
Refuel . See
“Refueling”
on page 11
.
Bad fuel; engine stored
without treating or
draining gasoline,
or refueled with bad
gasoline .
Drain fuel tank and
carburetor . See
“Draining the Fuel
Tank and Carburetor”
on page 15
. Refuel
with fresh gasoline .
See
“Refueling” on
page 11
.
Remove and inspect
spark plug .
Spark plug faulty,
fouled, or improperly
gapped .
Gap or replace spark
plug . See
“Spark Plug”
on page 13
.
Spark plug wet with
fuel (flooded engine .)
Dry and reinstall
the spark plug . Start
the engine with the
throttle lever in the
MAX . position .
Take engine to an
authorized Honda
servicing dealer, or
refer to the Owner’s
Manual .
Fuel filter restricted,
carburetor
malfunction, ignition
malfunction, valves
stuck .
Replace or repair faulty
components .
Engine Lacks
Power
Possible Cause
Correction
Check air filter .
Filter element
restricted .
Clean or replace filter element .
See
“Air Cleaner” on page 13
.
Check fuel .
Bad fuel; engine
stored without
treating or draining
gasoline, or refueled
with bad gasoline .
Drain fuel tank and carburetor .
See
“Draining the Fuel Tank
and Carburetor” on page 15
.
Refuel with fresh gasoline . See
“Refueling” on page 11
.
Take engine to
an authorized
Honda
servicing
dealer, or refer
to the Owner’s
Manual .
Fuel filter restricted,
carburetor
malfunction, ignition
malfunction, valves
stuck .
Replace or repair faulty
components .
Check engine
governor screw
Throttle cannot fully
open
Back off the engine governor
screw . See
“Setting the Engine
Speed” on page 8
.
SERVICE
Repair or replacement parts can be ordered from Wyco
Tool . Warranty repairs or chargeable repairs can be made
by sending the product to the following address . Always
obtain an RA number (Return Authorization) and include
it in the address before returning any parts for warranty
consideration or chargeable repair .
Phone: (262) 639-6770 or Toll free: (800) 233-9926
RA#
Wyco Tool
8635 Washington Avenue
Racine, Wisconsin 53406-3738
Engine parts may be obtained from your local Honda engine
dealer found at
www.engines.honda.com
or Honda Customer
Relations at 770-497-6400 .
PARTS
Honda Engine Parts
When Wyco part numbers are listed, the parts are available
directly from Wyco .
Honda Engine Warranty
Go to
http://engines.honda.com/parts-and-support/warranty-
info
Wyco Warranty
Go to
http://wycotool.com/manuals
Wyco Drawings
Description
Drawing #
Backpack assembly
W402535
Frame assembly
W402530
Speed increaser assembly
W402600
Replacement clutch kit
W402316
Quick disconnect adapter
W402630
