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Page 11SKU 97964 For technical questions, please call 1-800-444-3353.
TECHNICAL
SPECIFICATIONS
Engine Type 2.5 HP OHV Single Cylinder
Bore x Stroke 52mm x 38mm
Displacement 79cc
Maximum Engine RPM 3600
Engine Model 152F
Engine Family 8YAMS.0791ST
Engine Shaft Direction Horizontal
Rotation viewed from PTO
(power takeoff - the output
shaft)
Counterclockwise Facing the
Shaft
Shaft Size/Type 5/8” diameter Keyed
Fuel
Type 89+ octane unleaded gasoline
Capacity .42 Gal. (1.4 liters)
Engine Oil
Type
SAE 30W (above 32° F)
SAE 5W-30 (at 32° F or below)
Capacity 13.5 Oz. (0.4 liters)
Spark Plug
Type E6TC or Denso - W20FP-U
Gap 0.027” to 0.031”
SERVICING
TO PREVENT
SERIOUS INJURY
FROM ACCIDENTAL
STARTING:
Turn the Power Switch (94) of
the Engine to its “OFF”
position, wait for the Engine
to cool, and disconnect the
Spark Plug Wire before
performing any inspection,
maintenance, or cleaning
procedures.
TO PREVENT
SERIOUS INJURY
FROM EQUIPMENT FAILURE:
Do not use a damaged
Engine. If abnormal noise,
vibration, or excess smoking
occurs, have the problem
corrected before further use.
Maintenance Procedures
Many maintenance procedures,
including those not detailed
in this manual, will need to
be performed by a qualied
technician for safety. If you
have any doubts about your
ability to safely service the
Engine have a qualied
technician service the Engine
instead.
Note: Warranty is void if proper mainte-
nance and servicing procedures are
not followed.
Engine Oil Change
CAUTION! Oil is very hot during opera-
tion and can cause burns. Wait for
Engine to cool before changing oil.
Place a drain pan (not included) un-1.
derneath the Crankcase’s Drain Plug
Bolt (68). (See Figure F.)
DRAIN PLUG BOLT (68)
DRAIN PLUG WASHER (69)
FIGURE F
2. Remove the Drain Plug Bolt (68) and,
if possible, tilt the Crankcase slightly
to help drain the oil out. Recycle
used oil. (See Figure F.)