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TECHNICAL DATA - CARBURETOR 93
530bEXC-RbEU, 530bEXC-RbAUS/UK (3900J)
Carburetor type KEIHIN FCR-MX 39
Carburetor identfication number 3900J
Needle position 5th position from top
Idle mixture adjusting screw
Open 1.5bturns
Pump membrane stop 2.15bmm (0.0846bin)
Main jet 180
Jet needle OBDZT (OBDTR)
Idling jet 40
Main air jet 200
Idle air jet 100
Cold start jet 65 (85)
Leakage nozzle 40
Throttle slide 15
Slide stop present
530bEXC-RbSIXbDAYS, 530bEXC-RbUSA, 530bXCR-W (3900M)
Carburetor type KEIHIN FCR-MX 39
Carburetor identfication number 3900M
Needle position (530bXCR-WbUSA) 1st position from top
Needle position (530bEXC-RbSIXbDAYS, 530bEXC-RbUSA) 3rd position from top
Needle position (530bXCR-WbZA) 4th position from top
Idle mixture adjusting screw (530bXCR-WbUSA)
Open 0.5bturn
Idle mixture adjusting screw (530bEXC-RbSIXbDAYS)
Open 1.0bturn
Idle mixture adjusting screw (530bXCR-WbZA)
Open 1.5bturns
Idle mixture adjusting screw (530bEXC-RbUSA)
Open 2.0bturns
Pump membrane stop 2.15bmm (0.0846bin)
Main jet (530bEXC-RbSIXbDAYS, 530bEXC-RbUSA, 530bXCR-
WbUSA)
180
Main jet (530bXCR-WbZA) 185
Jet needle (530bXCR-W, 530bEXC-RbSIXbDAYS) OBDTR
Jet needle (530bEXC-RbUSA) OBDZT
Idling jet (530bXCR-W, 530b
EXC-RbSIXbDAYS)
40
Idling jet (530bEXC-RbUSA) 48
Main air jet 200
Idle air jet 100
Cold start jet 85
Leakage nozzle 40
Throttle slide 15