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oil pump adjustment and thoughts

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blown1993

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I read all through the manual about the oil pump adjustments. Anytime throttle cable adjustments are made or any other major adjustment. While thinking about this, I would like to explain my thoughts and see if anyone really knows for sure... I think the procedure is referring to the way seadoo originally sets them.

so while thinking about it and messing with both of mine I noticed a few things.

As long as the oil pump cable/adjustment was originally set after all other adjustments have been made and also at 1500RPM, then no matter how much you adjust the throttle cable or idle screw, there really should be no reason to have to adjust the oil pump. As long as the oil pump cable adjustment has not changed, this cable and mechanism is basically hard set to the throttle mechanism. From this point, if you increase idle on the screw or if you changed your throttle cable, this hard set position never changed. You could turn it down to 1000 and the pump would just be turned a little less which would still be fine, it would still be the appropriate amount of oil. If you turned the idle up to 2000, the pump would be turned more and you would be getting more oil. As long as the alignment marks were originally set while idling at 1500 rpm's, then only way this needs readjusted is if you loosen/adjust/remove the oil pump cable.

This is different than the manual says, but I thought it through way too many times and this seems to make sense. My crazy engineer mind at work again....
 
Ok... let me take a step back, and start.


If you have the carbs off... and you are putting it all back together... get a ballpark adjustment on the oil pump, and go out to the water. Once you are there, and you get the carb, and idle adjusted... then set the cable on the oil pump.

At that point... you shouldn't need to re-adjust the cable, even if you give the idle a small tweak. (The lever won't move enough)


NOW... your comment about "then no matter how much you adjust the throttle cable or idle screw, there really should be no reason to have to adjust the oil pump" not not 100% correct. If you have to make a major adjustment in the throttle cable to achieve a 1500 RPM, in the water idle... then you weren't adjusted properly in the first place.

Last thing... you can't properly adjust the carbs "Out of the water", so don't assume you can set the oil pump with out setting the carbs "Wet".

Carbs first, then the oil pump... and then you shouldn't have to touch it again unless there is a problem.
 
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