by v70catboat on Thu Jul 29, 2010 6:06 am
Here is a post from Honda Dude a pro located in California It amplifies the details from the previous post.
First, make sure that the throttle linkage on the engines are in the same position. Put the throttles in neutral. look on top of the engine and check out the black cam follower. There will be a small arrow on it. make sure the roller arm is aligned with the arrow on both engines.
Now run the engines at the same rpm and note which throttle has to be pushed further to get the same rpm as the other motor. Now go back to the engine, disconnect the throttle cable and turn the cable connector clockwise a few turns and try running the boat again. if you can't get the throttles to line up by doing this adjustment, disconnect the throttle cable on the other engine and screw the cable connector counter clockwise. takes a little of trial and error, but you should have them dialed in within a few tries. BTW, while you are at it, take the cover of the binnacle mount and tighten up the friction adjustment screw. You can tighten the screws quite a bit without affecting how hard it is to push the throttles, and if you do this, the throttles will not back off when you let go of them.
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2006 270 SD with twin Honda 225's