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pinstriper
05-19-2007, 05:00 PM
Does anyone out there have the carbs settings for a stock '73 ko 3 wheeler? Thanks!
team-red-rider
05-19-2007, 05:41 PM
US90 or ATC70?
pinstriper
05-19-2007, 11:52 PM
oops! atc 70...
hrc200x
05-22-2007, 10:38 PM
From Clymer manual:
main jet - 60
slow air jet - 35
Initial pilot - 1 1/8th turns out
Needle jet - 3rd groove
float level - .787 inches


Intake and exhaust valves - .002 inches when at top dead center of compression stroke.