1973 Johnson 4 HP. changing spark pug wires

R

Rick.

Captain
Joined
Jul 30, 2006
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3,740
Hi and as alway, thanks for your help.

I removed the wires but in order to do so I removed the cam that is at the front under the flywheel. The cams purpose is to set the carb position as it relates to the speed setting via the side lever. How do I go about setting the cams correct position or to I just take a best guess? I hope you can understand my question. Thanks, Rick.
 
F

F_R

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Jul 7, 2006
Messages
28,195
Re: 1973 Johnson 4 HP. changing spark pug wires

Without looking it up for your specific motor, the general rule is there is a mark on the cam. When it is aligned with the roller or whatever follows it, the carb throttle just starts to open.
 
X

Xcusme

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Apr 21, 2003
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2,888
Re: 1973 Johnson 4 HP. changing spark pug wires

imported_F_R said:
Without looking it up for your specific motor, the general rule is there is a mark on the cam. When it is aligned with the roller or whatever follows it, the carb throttle just starts to open.
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Yes, that's spot on..:)
 
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