Ardisam, Inc. Page 2
800-345-6007
OPERATING AND MAINTENANCE INSTRUCTIONS
173cc Vertical Shaft Engine
INTRODUCTION
Thank You . . .
for purchasing a Viper engine from Ardisam, Inc. We have worked to
ensure that our product meets high standards for usability and durability.
With proper care, your engine will provide many years of excellent service.
Please take the time to read this manual carefully to learn how to correctly
operate and maintain your Viper engine. Due to continuous efforts to per-
fect our products, certain procedures and specifications are subjected to
change without notice. Congratulations on your investment in quality.
CONTENTS
Introduction ................................................................................................ 2
Warranty/Registration..............................................................................3-4
General Safety Precautions ....................................................................5-6
Engine Components................................................................................... 7
Pre-Operation Procedures ......................................................................8-9
Engine Operation ..................................................................................... 10
Maintenance............................................................................................. 11
Engine Maintenance ...........................................................................12-13
Service and Troubleshooting ...............................................................14-15
Parts Explosion/Parts List ...................................................................16-18
FEDERAL EMISSION INFORMATION
Ardisam, Inc. warrants to the retail purchaser, that this small, off-
road engine was designed, built and equipped to conform at the
time of initial sale to all applicable regulations of the U.S. Environ-
mental Protection Agency (EPA).
SPECIFICATIONS
Engine Type 4-Stroke Gasoline Engine with Vertical Shaft & Recoil Start
Air Cooled/Engine Model: 31321
Displacement 173 cc
Torque 6.5 ft. lbs. at 3,000 RPM
Fuel Tank Capacity 0.52 Gal.
Engine Oil Capacity 27 oz.
Air Cleaner Type Cartridge Type
Weight 38 lbs.
IMPORTANT!
This product requires oil and fuel to be added before starting. Attempting to start
the Engine without oil WILL ruin the Engine and void the warranty.
*The emission control system for this Engine is warranted for standards set by
the U.S. Environmental Protection Agency. For warranty information, refer to
pages 3-4 of the manual.
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