09—415 Removal and installation of intake pipe   Removal 1    Partially drain coolant. 2    Remove air filter. 3    Remove carburetor (07.2-194). 4    Disconnect engine longitudinal regulating shaft and regulating rods. 5 …

    09—410 Removal and installation of air filter   Removal 1    Pull off fresh air, warm air and crankcase breather hose. 2    Loosen fastening nut as well as wing nut and remove air filter.…

    09—405 Removal and installation of thermostat for intake air preheater   Testing and adjusting value   Thermostat, dimension “a” 7—8 mm   A. Knecht version   Removal 1    Compress compression spring (5) and push…

    09—400 Functional description of intake air preheating system   Preheating of the intake air is automatically control­led by a termostat (1) installed in intake pipe of air filter and by an air valve (8).  …

    09-400 Removal and installation of air cleaner   Note The air cleaner top is provided with a recess (arrow) for adjusting idle speed mixture. As a result, the air cleaner need no longer be removed…