TDM / TRX / XTZ : Carburetors characteristics


TDM 1991 to 1995 (3VD)
TypeMikumi BDST38
ID Mark3VD 00
Pilot screw settings (turns-out)3
Engine idle speed1000 to 1200 rpm
Intake vacuum at idle speed250 to 270 mmHg
Fuel level7.4 to 8.4 mm above float chamber line
Main jet140
Main air jet50
Jet needle5G52-3
Needle jetY-4
Pilot air jet70
Pilot jet37.5
Starter jet75
TDM 1996 to 1998 (4TX)
TypeMikumi BDST38
ID Mark4TX 00
Pilot screw settings (turns-out)2
Engine idle speed1050 to 1250 rpm
Intake vacuum at idle speed270 to 290 mmHg
Fuel level15.8 to 16.8 mm below Mikumi mark
Main jet142.5
Main air jet60
Jet needle5E185-2/3
Needle jetY-2
Pilot air jet70
Pilot jet45
Starter jet75
TDM 1999 to 2001 (4TX)
TypeMikumi BDSR38
ID Mark4TX4 40
Pilot screw settings (turns-out)2
Engine idle speed1050 to 1250 rpm
Intake vacuum at idle speed270 to 290 mmHg
Fuel level4.4 to 5.4 mm below line
Main jet147.5
Main air jet65
Jet needle1:6DJP17 - 2:6CL1
Needle jetP-O
Pilot air jet87.5
Pilot jet17.5
Starter jet32.5
TRX
TypeMikumi BDST38
ID Mark4UN 00
Pilot screw settings (turns-out)2
Engine idle speed1050 to 1250 rpm
Intake vacuum at idle speed240 to 260 mmHg
Fuel level4.6 to 5.6 mm
Main jet142.5
Main air jet60
Jet needle5EI85-2/5
Needle jetY-2
Pilot air jet70
Pilot jet45
Starter jet75
XTZ
TypeMikumi BDST38
ID Mark3LD 00 / 3TD 00 (CH)
Pilot screw settings (turns-out)2
Engine idle speed1100 to 1200 rpm
Intake vacuum at idle speed240 to 260 mmHg
Fuel level5.1 to 6.1 mm above float chamber line
Main jet142.5 / 140 (CH)
Main air jet60
Jet needle5C19-3 / 5C20-3 (CH)
Needle jetY-4 (611)
Pilot air jet60
Pilot jet42.5 / 35 (CH)
Starter jet70
From the TDM / TRX / XTZ Service Manuals

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