(Centering Shift Cable)
(J. Reeves)
When all is as it should be, the proper method to adjust the shift cable is to disconnect the cable from the engine. Move the shift linkage on the engine to find the center of the play in neutral, and when found, leave it centered.
Now, grab the end of the shift cable sleeve, push and pull it to find the center of the play there, and center that play.
Adjust the trunion on the threaded portion of the shift cable so that the centered play of the cable lines up with the centered play of the engine's shift linkage. Install and lock the shift cable with the retaining clamp in that position. That's it.
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(Adjusting Throttle Cable)
(J. Reeves)
If running the engine in a flushette, be sure to have the water turned on full blast. The exception to this rule would be the smaller horsepower engines, usually the smallest up to about the 25hp class. When running on a flushette, the idle rpm for the different shaft length engines are as follows.... 20" Shaft = 1000 rpm... 25" Shaft = 1200 rpm.
On engines that have a mechanical stop screw (most engines do), back the screw away from its contact point.
Loosen the clamp that retains the throttle cable so that the adjustable threaded trunion can be moved in either direction.
With the engine running, adjust the trunion until the desired rpm is attained. Now, back to the mechanical stop screw... screw it in just until it hits the contact point.
Race the engine somewhat, then return it to the idle setting... if the rpm has changed to a higher reading, readjust the throttle cable trunion so that the mechanical stop screw moves back to its contact point.
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