Stihl KM 110 R Product Instruction Manual - Page 22

Cleaning the Air Filter Motor Management English / USA Adjusting the Carburetor 4 1 2 Exhaust emissions are controlled by the design of the fundamental engine parameters and components (e.g. carburation, ignition, timing and valve or port timing) without the addition of any major hardware. 266BA009 KN 266BA008 KN Dirty air filters reduce engine power, increase fuel consumption and make starting more difficult. If there is a noticeable loss of engine power: : Set the choke knob to g. : Take out the screw (1) and remove the filter cover (2). : Clean away loose dirt from around the filter. : Grip the filter element (3) at the notch (arrow) in the filter housing (4) and take it out. : Fit a new filter element. As a temporary measure you can knock it out on the palm of your hand or blow it out. Do not wash. : Replace any damaged parts. : Install filter element in the filter housing. : Refit the filter cover. : Insert the screw and tighten it down firmly. The carburetor comes from the factory with a standard setting. This setting provides an optimum fuel-air mixture under most operating conditions. With this carburetor it is only possible to adjust the engine idle speed within fine limits. KM 110, KM 130 21