[vibe]

Does anybody know where the low speed needle valve should be set.screw all the way in back out 3 turns? 74 50hp johnson

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[Dr J]

Typically one and a half turns out (counterclockwise) from lightly seated will get you close. Adjust to 'lean it out' by turning it clockwise; less than a quarter turn at a time. Give it time for the adjustment to be felt by the carb. Keep adjusting in until the motor coughs. Then back out (counterclockwise) a quarter turn. Not a speed test; take your time.

 

[vibe]

Thank you much!!!!

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