Stihl KM 91 R Product Instruction Manual - Page 24

English Definitions 1 Fuel Filler Cap For closing the fuel tank. 2 Carburetor Adjusting Screws For tuning the carburetor. 3 Starter Grip The grip of the pull starter, for starting the engine. 4 Manual Fuel Pump Provides additional fuel feed for a cold start. 5 Cover Covers and protects the spark plug. 6 Muffler with Spark Arresting Screen Muffler reduces exhaust noises and diverts exhaust gases away from operator. Spark arresting screen is designed to reduce the risk of fire. 7 Machine Support For resting machine on the ground. 8 Coupling Sleeve Connects drive tube to lower part of drive tube (stub shaft). 9 Wing Screw Secures lower part of the drive tube (stub shaft). 10 Loop Handle For easy control of machine during cutting work. 11 Barrier Bar Helps keep user's feet and legs clear of the cutting attachment. 12 Carrying Ring Connects the unit to the harness. 13. Stop Switch Switches the engine's ignition off and stops the engine. 14 Throttle Trigger Lockout Must be depressed before the throttle trigger can be activated. 15 Throttle Trigger Controls the speed of the engine. 16 Choke Knob Eases engine starting by enriching mixture. 17 Air Filter Cover Covers and protects the air filter element. 18 Fuel Tank For fuel and oil mixture. Specifications EPA / CEPA The Emission Compliance Period referred to on the Emissions Compliance Label indicates the number of operating hours for which the engine has been shown to meet Federal emission requirements. Category A = 300 hours B = 125 hours C = 50 hours CARB The Emission Compliance Period used on the CARB-Air Index Label indicates the terms: Extended = 300 hours Intermediate = 125 hours Moderate = 50 hours Engine Single cylinder four-stroke engine with mixture lubrication KM 91 R Displacement: Bore: Stroke: 28.4 cc (1.73 cu.in) 38 mm (1.5 in) 25 mm (0.98 in) 22 KM 91 R