AdjustmentThrottle wireAdjustment of the speed controlManeuver the speed control lever of theoperating machine to control the engine speed.Set the control lever of the operating machineat “High Speed.” The swivel (4) on the controlbracket must touch the stopper (3). To adjust,loosen the casing clamp screw (1). Move thecasing wire (2) in the direction of the arrow untilthe swivel touches the stopper. Tighten thecasing clamp screw.3 412f585p5-002Adjustment of the speed control_0011 Casing clamp screw2 Casing wire3 Stopper4 SwivelChoke wireAdjustment of the choke controlMove the choke control lever of the operatingmachine to the “Choke” position. Loosen thecasing clamp screw (1). Move the choke lever(2) until the choke closes completely. Thenmove the casing wire (3). Tighten the casingclamp screw.312whlybv-003Adjustment of the choke control_0011 Casing clamp screw2 Choke lever3 Casing wireGeneral inspection and repairCooling systemAir-cooled engineTo prevent the engine from overheating,always keep the screen, cooling fin and otherexternal surfaces clean.Reference: Refer to the owner's manual for thecleaning cycle, procedures and the like of.ImportantStarting the engine with a blower housing with adirty screen or cooling fin may cause the engineto overheat and become faulty.Move this equipment to a level surface.Apply the parking brake, stop the engine,and remove the key.WarningDo not touch the engine and exhaust systemmaintenance. When hot the high temperaturemay cause injury. Let them cool beforeperforming work.ImportantDo not clean the engine with a pressurewasher. Water may enter its electrical system.Clean the cooling fins over the cylinderhead.1.2.EngineEnginePage 4-3Adjustment