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Page 6 For technical questions, please call 1-800-444-3353. SKU 96156
SPECIFICATIONS
Engine Rating 5.5 Horsepower
Fuel
Type
89+ octane unleaded gasoline
Capacity 0.45 Gallons
Engine Oil
Type
10W-30
(Detergent or non-detergent)
Capacity 18.6 oz.
Run Time @ 50% Load 3.5 Hours with full tank
Sound Level 77 dB
Engine Type
4 Stroke, OHV
(1P68FV / 7CLGS.16368V)
Bore x Stroke 68 mm x 45 mm
Compression Ratio 8:1
Displacement 163cc
Rotation viewed from PTO
(power takeoff - the output shaft)
Counterclockwise
Shaft Size/Type
7/8” x 3-1/8”, 3/16” keyway,
end tapped 3/8”-24
Spark Plug
Type
F6TC resistive
(NGK
®
BP-6HS, Champion
®
RL86C)
Gap 0.028”-0.031”
Valve
Clearance
Intake 0.1 mm
Exhaust 0.15 mm
Speed 3250 RPM
The emission control system for this
engine is warranted for standards set by the
U.S. Environmental Protection Agency. For
warranty information, refer to the last pages of
this manual.
At high altitudes, the engine’s carburetor
and any other parts that control the fuel-air
ratio will need to be adjusted by a qualied
mechanic to allow efcient high-altitude use
and to prevent damage to the engine and any
other devices used with this product.
UNPACKING
When unpacking, make sure that the
item is intact and undamaged. If any parts
are missing or broken, please call Harbor
Freight Tools at 1-800-444-3353 as soon as
possible.
INSTALLATION
Read the ENTIRE IMPORTANT
SAFETY INFORMATION
section at the beginning of this
manual including all text under
subheadings therein before
installation or use of this product.
TO PREVENT
SERIOUS INJURY
FROM ACCIDENTAL STARTING:
Close the engine’s fuel valve,
wait for the engine to cool, and
disconnect the spark plug wire(s)
before installing or making any
adjustments to the engine.
TO PREVENT
SERIOUS INJURY:
Operate only with proper spark
arrestor installed.
Operation of this engine may
create sparks that can start res
around dry vegetation.
A spark arrestor may be required.
The operator should contact
local re agencies for laws or
regulations relating to re
prevention requirements.
IMPORTANT: 1. If you have any doubts
about your ability to perform the following
procedures, have a qualied service
technician perform the installation.
Install this engine on a lawn mower only.2.
Figure A - Mounting Hole Locations (Bottom View)
3. Set the Engine upright on the mower,
and align the four 3/8” diameter coarse
threaded engine mounting holes with