3 Maintenance 3-1
3.1 General 3-1
3.1.1 Scope 3-1
3.1.2 Common and special tools and initial torque values 3-1
3.2 Service intervals 3-2
3.2.1 Daily inspections 3-2
3.2.2 Periodic inspections 3-2
3.3 Replacement parts 3-2
3.4 Maintenance procedures 3-3
3.4.1 Carburetor 3-3
3.4.1.1 Synchronization of carburetors 3-3
3.4.1.2 Setting the fuel mixture adjustment screws 3-3
3.4.1.3 Cleaning the carburetors 3-4
3.4.2. Air filter 3-4
3.4.2.1 Removal and installation of air filters 3-4
3.4.2.2 Cleaning the air filters 3-4
3.4.3 Fuel and pulse lines 3-4
3.4.3.1 Inspection of fuel line 3-4
3.4.3.2 Inspection of pulse line 3-4
3.4.4 Spark plugs and spark plug caps 3-4
3.4.4.1 Checking spark plug caps 3-4
3.4.4.2 Spark plug installation and removal 3-5
3.4.4.3 Condition of spark plugs 3-5
3.4.5 Fan 3-5
3.4.5.1 Removal and installation of cooling system 3-5
3.4.5.2 Removal and installation of fan housing 3-5
3.4.5.3 Changing the fan belt 3-5
3.4.6 Cylinder head 3-6
3.4.6.1 Removal and installation of cylinder head 3-6
3.4.6.2 Checking cylinder head conditions 3-6
3.7 Trouble shooting 3-6
3.7.1 Engine will not start, or is very difficult to start 3-6
3.7.2 Engine will not come up to idle speed 3-7
3.7.3 Engine runs rough, uneven and with insufficient ... 3-7
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