Operator's Manual Original Operating Instructions Viper® 99cc 4-Cycle Engine GAS/OIL RATIO Includes Model: 13276 Email for more information info@ardisam.com 50:1 P/N: 13279 ECN: 9540 Rev. 10/11/12 © 2012 Ardisam, Inc.
Operator's Manual Viper® 99cc 4-Cycle Engine 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.
Operator’s Manual Viper® 99cc 4-Cycle Engine Warnings and Safety Precautions Operator’s RESPONSIBILITY Accurate, safe and effective use of this engine is the operator’s responsibility. • Read and follow all safety instructions. • Maintain the engine according to directions and schedule included in this Viper® operator’s manual. • Ensure that anyone who uses the engine is familiar with and understands all controls and safety precautions.
Operator's Manual Viper® 99cc 4-Cycle Engine Engine Safety Precautions Warning Preventing Carbon Monoxide Poisoning • Never try to ventilate engine exhaust indoors. Carbon monoxide can reach dangerous levels very quickly. • Never run engine outdoors where exhaust fumes may be pulled into a building. • Never run engine outdoors in a poorly ventilated area where the exhaust fumes may be trapped and not easily taken away.
Operator’s Manual Viper® 99cc 4-Cycle Engine • Always wipe up excess (spilled) fuel from engine before starting. Clean up spilled fuel immediately. If fuel is spilled, do not start the engine but move product and fuel container from area. Clean up spilled fuel and allow to evaporate and dry after wiping and before starting. Service • Always stop the engine whenever you leave the equipment, before cleaning, repairing or inspecting the unit.
Operator's Manual Viper® 99cc 4-Cycle Engine Safety Symbols The following symbols may be used on your engine to alert you to potential hazards or to give you guidance in operating your engine. Look over them and understand their meanings before operating your engine.
Operator’s Manual Viper® 99cc 4-Cycle Engine Features Warning ENGINE COMPONENTS Model 13276 99cc horizontal shaft This is a 4-cycle air cooled engine. The 99cc engine utilizes a horizontal shaft and an oil slinger lubricated system. Do not refuel while smoking, near open flame, or other potential hazards. Fuel is highly flammable and must be handled with care. Never fill the tank when the engine is hot or running. Always move outdoors to fill the tank.
Operator's Manual Viper® 99cc 4-Cycle Engine Operation Warning PRE-OPERATION INSPECTION 1. Check that the engine is equipped with the proper amount and type of oil. To determine the most appropriate type of oil to use, see the chart below. 2. Check that the engine has appropriate amount of fuel. 3. Examine underneath and around engine for signs of oil or fuel leaks. 4. Inspect fuel hoses and connections for tightness and fuel seepage. 5. Look for signs of engine damage. 6.
Operator’s Manual Viper® 99cc 4-Cycle Engine CHECKING and ADDING OIL Be sure the engine is located on a level surface before checking or refilling oil. Clean around oil fill area and drain plug. SEE FIGURE 1 Slide out dipstick and wipe clean with cloth. SEE FIGURE 1 Reinsert and tighten dipstick. Slide out dipstick and check oil. If oil level is below the top thread of the oil fill hole, refill to upper level. SEE FIGURE 1 6. Change oil if contaminated. 1. 2. 3. 4. 5.
Operator's Manual Viper® 99cc 4-Cycle Engine STARTING and STOPPING ENGINE NOTE: Operating engine on a steep angle will cause the engine to lose lubrication and seize. Review “Warnings and Safety Precautions” and “Pre-Operation Inspection” sections before starting engine. Warning Carbon monoxide gas is toxic. Inhalation can cause unconsciousness and death. Never leave engine running while unattended. Manual-Start Engine 1.
Operator’s Manual Viper® 99cc 4-Cycle Engine 7. Turn the On/Off switch to the ON position. SEE FIGURE 6 8 Grasp starter handle and pull out slowly, until resistance is felt. Without letting it retract, pull rope with a rapid stroke. DO NOT pull out the rope all of the way. Let it return to its original position very slowly. Repeat this step until engine starts. 9. After engine begins operating, move choke lever to “Half Choke.” SEE FIGURE 4. 10.
Operator's Manual Viper® 99cc 4-Cycle Engine MAINTENANCE and Storage Please read the maintenance schedule, and observe these recommended care operating intervals to extend the life of your engine. Good maintenance is essential for safe, economical, and troublefree operation. It will also help reduce air pollution. To help you properly care for your engine, the following pages include a maintenance schedule, routine inspection procedures, and simple maintenance procedures using basic hand tools.
Operator’s Manual Viper® 99cc 4-Cycle Engine ENGINE MAINTENANCE For daily maintenance checks, review “pre-operation inspection” section. Lubrication Choose engine oil that meets or surpasses the latest API service classification. Synthetic oils may be substituted for petroleumbased oils in extreme temperatures. For temperatures higher than 32 ºF, use SAE 30 or SAE 10W-30 motor oil. Use SAE 5W-30 or SAE 10W if temperatures are below 32 ºF. Do not use SAE 10W-40 motor oil.
Operator's Manual Viper® 99cc 4-Cycle Engine AIR FILTER Refer to maintenance schedule for suggestions on when to service your air filter. Clean filter daily in extremely dusty conditions. Removing/Installing Air Filter (SEE FIGURE 10) 1. Remove air cleaner cover. 2. Remove the air filter. 3. Replace with clean or new air filter. 4. Replace air filter cover. Washing Air Filter 1. Wash in warm water with mild soap until dirt and debris are removed. Press filter when washing, do not twist. 2.
Operator’s Manual Viper® 99cc 4-Cycle Engine CARBURETOR • Never tamper with factory setting of the carburetor. • Contact your service provider or Viper® if adjustment is needed. Figure 12 FUEL FILTER fuel pipe hose clamp Cleaning Or Replacing Fuel Filter 1. Disconnect spark plug wire from spark plug. Remove spark plug and protect spark plug hole from debris. 2. Drain fuel from tank before attempting to clean/replace filter. 3. Remove two nuts holding muffler to the engine and remove muffler. 4.
Operator's Manual Viper® 99cc 4-Cycle Engine TRANSPORTING ENGINE 1. Never transport engine inside an enclosed space or vehicle. Fuel or fuel vapors may ignite causing serious injury or death. 2. If fuel is present in the fuel tank remove fuel or transport with an open vehicle in an upright position. 3. If an enclosed vehicle must be used, remove fuel into an approved red fuel container. DO NOT siphon by mouth. 4. Run engine or drain to use up the fuel in the carburetor and fuel tank.
Operator’s Manual Viper® 99cc 4-Cycle Engine TROUBLESHOOTING and repair At Ardisam we build quality and durability into the design of our products; but no amount of careful design by us, and careful maintenance by you, can guarantee a repair-free life for your Viper® Engine. Most repairs will be minor, and easily fixed by following the suggestions in the troubleshooting guide in this section. CAUTION Practice safety at all times.
Operator's Manual Viper® 99cc 4-Cycle Engine TROUBLESHOOTING Guide Problem Possible cause Remedy/Action Engine will not start 1. Power switch off 1. Flip switch to on position 2. Spark plug wire disconnected 2. Connect spark plug wire to spark plug 3. Out of fuel 3. Refuel 4. Spark plug wet, faulty or improperly gapped 4. Clean, replace or gap spark plug 5. Stale fuel 5. Drain old fuel and replace with fresh. Use fuel stabilizer as a future preventative measure. 1. Dirty air filter 1.
Operator’s Manual Viper® 99cc 4-Cycle Engine HIGH ALTITUDE OPERATION Operating an engine with standard air-fuel mixture at altitudes greater than 3,000 feet will result in a fuel-rich operating condition. This can lead to increased fuel consumption, increased emissions, and the formation of carbon deposits on spark plugs that can result in difficulty starting engine.
31 32 17,22 17 6 17,22 24 17,22 24 17 17,30 4 14 16 4,18 4,18 4 4,18 4,17, 18,19 5 8 19 1 9 7 19 15 29 19 4,18 15 4,18 4,18 4,18 4,18 4,18,19 27 16 19 28 1,19 31 23 23 16 2 14 12,19 3 13,19 26 12 24 19 13 23 20,21 24 13 13 13 11,19 21,32 11 19,20,21 21,25 21 21 10,21 Operator's Manual Viper® 99cc 4-Cycle Engine Parts Breakdown 99cc Engine Main PARTS Explosion For additional information email info@ardisam.
Operator’s Manual Viper® 99cc 4-Cycle Engine 99cc Engine Main PARTS LIST REF NO. PART NO. DESCRIPTION QTY.
Operator's Manual Viper® 99cc 4-Cycle Engine 99cc 4-Cycle Engine Warranty Terms and Conditions Engine Warranty: 2-Year Limited Emissions Control Warranty (SEE EXPLANATION OF EMISSIONS CONTROL WARRANTY PROVISIONS FOR DETAILS) Ardisam, Inc.
Operator’s Manual Viper® 99cc 4-Cycle Engine Explanation of Emissions Control Warranty Provisions Viper Engines are designed, built and equipped to meet all EPA requirements. It warrants that it is free from defects in material and workmanship that could cause failure to the warranted part; and that it is identical in all material respects to the engine described in the manufacturer's application for certification.
Viper® Engines, Division of Ardisam, Inc. 1160 8th Avenue, PO Box 666 Cumberland, WI 54829 800-345-6007 | Fax 715-822-2223 E-mail: info@ardisam.com All weights, specifications and features are approximate and are subject to change without notice. Due to continuous product improvements, product images may not be exact. Items used for props not included. Some assembly may be required. For additional information email info@ardisam.
