KTM 50 SX 2020, Owner'S Manual

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21 TECHNICAL DATA
124
Screw, ignition coil M6 4 Nm (3 lbf ft)
Loctite ® 243™
Screw, intake flange M6 5 Nm (3.7 lbf ft)
Loctite ® 243™
Screw, pressure plate M6 10 Nm (7.4 lbf ft)
Loctite ® 243™
Screw, water pump cover M6 10 Nm (7.4 lbf ft)
Screw, cylinder head M7 18 Nm (13.3 lbf ft)
Nuts, cylinder base M8 20 Nm (14.8 lbf ft)
Screw, clutch basket M8 35 Nm (25.8 lbf ft)
Stud bolt, cylinder base M8 10 Nm (7.4 lbf ft)
Spark plug M10x1 10 … 12 Nm (7.4 … 8.9 lbf ft)
Nut, primary gear wheel M10x1.25 40 Nm (29.5 lbf ft)
Loctite ® 243™
Nut, rotor M10x1.25 15 Nm (11.1 lbf ft)
Loctite ® 243™
Oil drain plug with magnet M12x1.5 20 Nm (14.8 lbf ft)
21.3 Carburetor with carburetor tuning
21.3.1 50 SX
Carburetor type Dell`Orto PHBG 19BS
Needle position 2nd position from top
Idle air adjusting screw
Open 3 turns
Main jet 95
Jet needle W7
Idling jet 50
Needle jet 262AU
Throttle slide 40
Choke nozzle 60
21.3.2 50 SX Mini
Carburetor type Dell`Orto PHVA 12XS
Needle position 3rd position from top
Idle air adjusting screw
Open 1 turn
Main jet 65
Jet needle A8
Idling jet 30
Needle jet 211FA
Throttle slide 40
Choke nozzle 60