ENGINE IDENTIFICATION For information and questions, please contact the Customer Service Help Line by calling 800-232- 1195. Certain information will be requested by the Customer Service Representative and to facilitate that, please fill in the information below. Refer to the illustration below for the location of Serial Number. Record engine information in the spaces provided below.
TABLE OF CONTENTS ENGINE IDENTIFICATION ......................i SERVICE RECORD ......................... i INTRODUCTION ..........................1 SAFETY INFORMATION ......................2 GENERAL SAFETY PROCEDURES ................... 3 IMPORTANT SAFETY INSTRUCTIONS ................... 4 ENGINE COMPONENTS ....................... 4 ENGINE PREPARATION ......................6 Using the Engine for the First Time ....................6 Step 1 - Fill Oil ...........................
INTRODUCTION Thank You for Purchasing a WEN Power Product. This manual provides information regarding the safe operation and maintenance of this product. Every effort has been made to ensure the accuracy of the information in this manual. WEN Power reserves the right to change this product and specifications at any time without prior notice.
SAFETY INFORMATION Before operating this engine read and observe all warnings, cautions, and instructions on this sheet, on the engine, and in the Owner’s Manual. NOTE: The following safety information is not meant to cover all possible conditions and situations that may occur. Read the entire Owner’s Manual for safety and operating instructions.
GENERAL SAFETY PROCEDURES For any questions regarding the hazard and safety notices listed in this manual or on the (800) 232-1195 M-F 8-5 CST product, please call before using the engine. DANGER : CARBON MONOXIDE. Using an engine indoors CAN KILL YOU IN MINUTES.
WARNING : This engine produces heat when running. Temperatures near exhaust can exceed 150º F (65º C). • Do not touch hot surfaces. Pay attention to warning labels on the engine identifying hot parts of the machine. • Allow engine to cool down after use before touching engine or areas of the engine that become hot during use.
ENGINE COMPONENTS Please familiarize yourself with the locations and functions of the various components and controls of your engine. Fuel Cap Muffler Starter Handle Air Cleaner Throttle Choke Fuel Valve Drain Plug Engine Switch Dipstick...
ENGINE PREPARATION Using the Engine for the First Time The following section describes steps necessary to prepare the engine for use. If after (800) reading this section, you are unsure about how to perform any of the steps please call 232-1195 M-F 8-5 CST for customer service.
Step 2- Add Gasoline WARNING: This engine may emit highly flammable and explosive gasoline vapors, which can cause severe burns or even death if ignited. A nearby open flame can lead to explosion even if not directly in contact with gasoline. •...
STARTING THE ENGINE Before starting the engine, make sure you have read and performed the steps in the “Engine Preparation” section of this manual. If you are unsure about how to perform any of (800) 232-1195 M-F 8-5 CST the steps in this manual please call for customer service.
SUBSEQUENT STARTING OF THE ENGINE If this is not the first time using the engine, user should take the following steps to prepare it for operation. IMPORTANT: At this point the user should be familiar with the procedures described in the section titled “Using the Engine for the First Time.”...
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HIGH ALTITUDE OPERATION ABOVE 3000 FEET The fuel system on this engine may be influenced by operation at higher altitudes. Proper operation can be ensured by installing an altitude kit at altitudes higher than 3000 feet above sea level. At elevations above 8000 feet, the engine may experience decrease performance, even with the proper main jet.
STOPPING THE ENGINE To stop the engine: 1. Turn the engine switch to the “OFF” position. 2. Turn the fuel valve to the “OFF” position. WARNING: Allow the engine to cool for several minutes before touching areas that become hot during use. CAUTION: Allowing gasoline to sit in the engine tank for long periods of time without use can make it difficult to start the engine in the future.
Cleaning the Engine Never clean the engine when it is running! Never clean with a bucket of water or a hose. Water can get inside the working parts of the engine and cause a short circuit or corrosion. Always try to use the engine in a cool, dry place. If the engine becomes dirty, clean the exterior with a damp cloth, a soft brush, vacuum or pressurized air.
1. Make sure the engine is on a level surface. Tilting the engine to assist in filling will cause oil to flow into engine areas and will cause damage. Keep engine level! 2. Remove the oil filler/dipstick cap from the engine as shown in figure 8 above. 3.
0.7-0.8 mm (0.028-0.031 in) Figure 11- Measuring the spark plug gap Recommended Spark Plug: NGK- BP7ES, Torch- F6TC Draining the Fuel Tank Clean fuel tank each year or before storing the engine for extended periods of time. To drain the fuel tank and carburetor: 1.
STORAGE / TRANSPORT PROCEDURES CAUTION: Never place any type of storage cover on the engine while it is still hot. If the engine is being stored for short periods of time (30 – 60 days), add stabilized fuel to the fuel tank until full.
TROUBLESHOOTING IMPORTANT: If trouble persists please call our customer help line at (800) 232-1195 M-F 8-5 Central Time. Problem Cause Solution Engine will not Fuel Related: Fuel Related: start No fuel in tank or fuel valve closed. Fill fuel tank and open fuel valve. Choke not in CHOKE position, cold Move Choke to CHOKE position.
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Problem Cause Solution Engine will not COMPRESSION RELATED: COMPRESSION RELATED: start Cylinder not lubricated. Pour tablespoon of oil into spark plug Problem after long storage hole. Crank engine a few times and try to periods. start again. Loose or broken spark plug. Tighten spark plug.
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Problem Cause Solution Engine stops Dirty air filter Clean or replace element. when under Engine running cold. Allow engine to warm up prior to heavy load operating equipment. Engine knocks Old or low quality gasoline. Fill fuel tank with fresh 87+ octane unleaded gasoline.
® WARRANTY STATEMENT FOR WEN ENGINES ® engines are warranted (to the original purchaser) to be free from defects in materials and workmanship for a period of two (2) years from the date of original purchase. Engines used for commercial or for rental have a warranty period of 90 days from date of original purchase.