21 TECHNICAL DATA 107
21.3.4 150 SX EU, 150 SX USA
Carburetor type KEIHIN PWK 38S AG
Carburetor identification number BC0_0
Needle position 2nd position from top
Jet needle NOZI (NOZH, NOZJ)
Main jet 182 (180, 185)
Idling jet 40 (42)
Starting jet 85
Idle air adjusting screw
Open 2 turns
Throttle slide 6.5 with cut-out
21.3.5 Carburetor - basic setting for sandy surfaces (150 SX EU, 150 SX USA)
Idle air adjusting screw
Open 1.5 turns
Idling jet 45
Jet needle NOZH
Needle position 3rd position from top
Main jet 208
Info
If the engine is not running smoothly, use a smaller main jet.
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