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05-25-2021, 09:09 PM #1Junior Member
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electric oil injection pump conversion kit
Anybody remember an electric oil pump conversion kit for 2.4 and 2.5 L that replaced the crank driven Mikuni pump? Allegedly developed by a Merc engineer? Saw one years ago, but not since...
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05-25-2021, 09:36 PM #2"One of the penalties for refusing to participate in politics is that you end up being governed by your inferiors". Plato .
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05-25-2021, 09:50 PM #3Junior Member
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05-26-2021, 05:49 AM #4
Premix!
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Forkin' Crazy, rgsauger liked this post
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05-26-2021, 06:21 AM #5
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05-26-2021, 06:42 AM #6
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05-26-2021, 07:06 AM #7Junior Member
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05-26-2021, 08:57 PM #85000 RPM
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Pretty sure the one in the link above is the only one ever made or sold, and yes I believe it was build by an ex Merc Engineer.
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05-26-2021, 09:30 PM #9
Mercury has an electric oil pump similar to the OptiMax oil pump without all the extra output lines... but I don't know how you would power it without a custom controller. I'll take a picture tomorrow if I can.
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05-28-2021, 08:41 AM #105000 RPM
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It doesn't replace the Mechanical Mikuni oil pump but instead drives it with a 12 VDC motor via a micro controller programmed to mimic the crankshaft gear rotation speed . A spark coil signal is inputted to the controller to monitor RPMs to adjust pump speed . The linkage on the throttle cam is still required to adjust the pump oil output though .
The one flaw is that they didn't utilize a different pump that did not require the linkage to the throttle cam . They could have varied the oil pump output with program code instead of a linkage and it would have been a lot cleaner , simpler system .
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05-28-2021, 08:46 AM #11Junior Member
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Are you aware of a current source for the conversion system?
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05-28-2021, 08:46 AM #125000 RPM
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Yea the Optimax oil pump is just a solenoid driven plunger controlled with a PWM signal from the ECM .
Do you know which Merc engine they made the pump with a single output for or have a part # ?
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05-28-2021, 08:53 AM #135000 RPM
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It was only available for a short time it seems . I purchased a used one about five years ago that came with no paperwork . I was able to contact the guy that designed and sold it "Robert Kachelek " and he emailed me the installation paperwork after I provided him with the serial #
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05-28-2021, 09:25 AM #14
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05-28-2021, 11:05 AM #15
write upon it?
Kit can prevent oil gear failure - Soundings Online"One of the penalties for refusing to participate in politics is that you end up being governed by your inferiors". Plato .
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