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View Full Version : carb settings on stock 400ex?????????



user101
05-19-2002, 06:58 PM
what are the stock settings on the carb. the guy i bought it from screwed around with the carb settings. i would like to know what the settings are for the floats, needle, and whatever else there is in there. :confused:

user101
05-20-2002, 02:53 PM
cmon guys,gals anyone out there know

JOEX
05-20-2002, 09:26 PM
Make:..............Keihin
ID #:...............QB10A
Main jet:
0-5000ft.....148
3K-8K ft......142
Slow jet:..........38
Needle pos.:....3rd groove from top
Float height.....18.5mm
Pilot screw.......2 1/4 turns out
Idle speed.......1400rpm =/- 100rpm
Throttle free play...3-8mm (1/8-5/16)


Joe