User manual MTD 9120-0

[. . . ] Operating & Maintenance Instructions Model Series Covered in This Manual 90000 Model Type Code Month Day Year Note: General Model Series numbers noted above are inclusive of the specific model number found on your engine. To get replacement parts or technical assistance in the future, write your engine Model, Type, Code and date of purchase here. WARNING Briggs & Stratton does not approve or authorize the use of these engines on 3-wheel All Terrain Vehicles (ATVs), motor bikes, aircraft products or vehicles intended for use in competitive events. Use of these engines in such applications could result in property damage, serious injury (including paralysis), or even death. [. . . ] €¢ Do not tamper with governor spring, links or other parts to increase engine speed. WARNING MUFFLER WARNING COMBUSTION DEPOSITS We recommend that after every 100-300 hours you have an authorized Briggs & Stratton Service Dealer remove combustion deposits from the cylinder, cylinder head, top of piston, and around valves. Replacement parts for the muffler must be the same and installed in the same position as the original parts, otherwise fire can occur. If muffler is equipped with spark arrestor screen, remove screen for inspection. ) must be the same as original parts, otherwise fire can occur. AIR COOLING SYSTEM It is recommended to clean the air cooling system every 100 hours. RESISTOR P/N 802592 STANDARD P/N 492167 Use only Briggs & Stratton Spark Tester (part number 19368) to check for spark. Note: In some areas, local law requires using resistor spark plug to suppress ignition signals. If this engine was originally equipped with resistor spark plug, use same type for replacement. 0000 MAINTENANCE CLEANING DEBRIS Daily or before every use, clean accumulated debris from engine. keep linkage , spring and controls clean. Keep area around and behind muffler free of any combustible debris. CAUTION: Do not use water to clean engine parts. WARNING Engine parts should be kept clean to reduce the risk of overheating and ignition of accumulated debris. 0000 ADJUSTMENTS THROTTLE ADJUSTMENT If the engine does not start or if it runs roughly, the remote throttle control may need adjustment. See your authorized Briggs & Stratton dealer or follow the instructions below. CARBURETOR ADJUSTMENT WARNING The manufacturer of the equipment on which this engine is installed specifies top speed at which the engine will be operated. Before performing adjustments: • Remove spark plug wire from spark plug. • Disconnect battery at negative terminal (only engines with electric start). Air cleaner and air cleaner cover must be assembled to carburetor before starting engine. (Air cleaner is shown removed in illustration below for clarity ONLY. ) The carburetor on this engine is equipped with an idle speed adjustment screw. [. . . ] The undisputed warranty repairs should be completed in a reasonable amount of time, not to exceed 30 days. If you have any questions regarding your warranty rights and responsibilities, you should contact a B&S Service Representative at 1-414-259-5262. the emission warranty is a defects warranty. Defects are judged on normal engine performance. [. . . ]