Viper 173CC Owner's Manual page 6

of the safety messages you will see as you perform normal
operations. Please, review these symbols now, and if you have
any questions regarding their meaning or how to comply
with these instructions reread the complete safety instruction
text in this manual. For additional questions contact Ardisam
Customer Service.
CONTROL AND OPERATING SYMBOLS
Pictured below are control and operating symbols on the
unit or in this manual. Before you operate your unit, learn and
understand the purpose for each symbol.
On/O
HAZARD SYMBOLS AND MEANINGS
A: Warning!
B: Avoid Injury From Rotating Tines.
C: Read Owner's Manual Before Operating Machine.
D: Remove Objects that Could Be Thrown By This Machine.
E: Dangerous Moving Parts.
F: Be Aware of Moving and Rotating Parts.
G: Wear Ear and Eye Protection At All Times.
H: Do Not Service or Adjust Moving Parts Unless Engine is
Stopped and Spark Plug Wire is Disconnected.
I: Dress Appropriately And Wear Sturdy Footwear.
J: Toxic Fumes —Do Not Operate in Unventilated Areas.
K: Hot Surfaces.
L: Fire Hazards.
M. Do Not Use In Thunderstorms —For severe weather, stop
operation of this machine and seek shelter.
N. Team Lift —For your safety, always have at least two people
when lifting this machine.
O. Do Not Till Above Underground Utility Lines And Pipes.
P. Do Not Operate When Children Or Others Are Around.
6 Get parts online at www.GetEarthquake.com or Call 800-345-6007 M-F 8-5 CST
Choke Fuel Shuto
A B
G H
M
SPECIFICATIONS
Displacement/
173cc; 4-Cycle
Cycle
Ignition Type Electronic ignition
Cooling System Forced air cooling
Idling Carburetor 1900 +/- 100 RPM
Adjust
Valve Clearance Cold engine-Intake: 0.15 - 0.02 mm;
Exhaust:
0.20 - 0.02 mm
Maximum Torque
9.0 NM/2500 RPM (6.64 ft-lb)
Bore and Stroke 70 x 45 mm
Spark Plug Type DK7RTC / ~.030" (0.7-0.8mm gap)
Recommended Minimum 87 octane gasoline with NO
Fuel Type
ethanol content.
NOTE: If using an ethanol blended fuel,
a fuel stabilizer, mixed to manufacturer
specifications, is recommended. DO NOT use
E85 ethanol blend fuels.
Fuel Tank Capacity Approximately .3 gallons (1.1 L)
Drive Shaft Type 22.2mm, 55mm from end of shaft to
mounting surface, 4mm x 26mm full key,
drilled and tapped 3/8-24 UNF-23 mm min.,
full thread
Start Type
Recoil
Speed 3600 RPM
Oil Capacity and
0.63 quart (0.6 L); SAE 30 (in freezing weather
Type
use 5W-30)
Weight
31 lb, dry (14.1 kg, dry)
Overall 396 mm x 355 mm x 339 mm
Dimensions
Owner's Manual
173CC VIPER 4-CYCLE ENGINE
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