Operator's Manual
Viper® 173cc 4-Cycle Engine
2
Check for parts online at
www.ardisam.com
or call 800-345-6007 M-F 8-5
INTRODUCTION
Congratulations on your investment in quality. Thank you for purchasing a Viper® Engine. We have worked to ensure that your
engine meets the highest standards for usability and durability. With proper care, your engine will provide many years of service.
Please read this entire manual before installation and use. Viper® reserves the right to change, alter or improve the product
and this document at any time without prior notice.
CONTENTS
Introduction .......................................................................................................................................................................................................................................2
Warnings and Safety Precautions ...........................................................................................................................................................................................3-6
Specifications .....................................................................................................................................................................................................................................6
Features ...............................................................................................................................................................................................................................................7
Operation ......................................................................................................................................................................................................................................8-10
Maintenance and Storage ....................................................................................................................................................................................................11-14
Troubleshooting and Repair .......................................................................................................................................................................................................15
Parts Breakdown ......................................................................................................................................................................................................................16-17
High Altitude Operation ..............................................................................................................................................................................................................18
Warranty .....................................................................................................................................................................................................................................19-21
FEDERAL EMISSION INFORMATION
Viper® 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. Environmental Protection Agency (EPA).
REGISTRATION AND SERVICE
This manual may contain information for several models. Read and keep this manual for future reference. This manual contains
important information on SAFETY, ASSEMBLY, OPERATION, AND MAINTENANCE. The owner must be certain that all the product
information is included with the unit. This information includes the MANUAL, the REPLACEMENT PARTS and the WARRANTIES.
This information must be included to make sure state laws and other laws are followed. This manual should remain with the
engine even if it is resold.
OWNERSHIP RECORDS
Owner’s Name:
Owner’s Address:
City:
State/Province:
Zip Code/Postal Code:
Model Number:
Serial Number:
Date of Purchase:
Notes:
Record the engine model number and serial number in the space provided for
easy reference when ordering parts or requesting technical support. Excluding
emissions-related warranty items, the warranty is valid only if the completed
registration is received by Ardisam within 30 days of purchase.
(SEE WARRANTY
SECTION FOR MORE INFORMATION.)
Warranty for your Viper® Engine is car-
ried out by registering the product which your Viper® Engine powers. You can
register your warranty online by visiting www.getearthquake.com, or by mailing
it to: Ardisam, 1160 Eighth Avenue, Cumberland, WI 54829. If you do not have
a computer, call our customer service department at (800) 345-6007 Mondays
through Fridays from 8 a.m. to 5 p.m. CST.
model and serial
number location
