Manual

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: [phone] or Toll free: [phone]
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