89 70hp Johnson VRO Pump replace Normal Pump Question

Ronborsk

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Jul 19, 2011
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Done some searches but either overlook or can't find an answer to my question about replacing a leaking VRO pump with a normal pump. I have found the correct pump and purchased it. Now I just need proper line connection completed.

I found the following threads, for reference to anyone else looking for info:
http://forums.iboats.com/showthread.php?t=412884&page=1
http://forums.iboats.com/showthread.php?t=265363&highlight=pre-mixer

So, I see the colored chart of what lines are what but my question is this. When I removed the original VRO pump there are 3 different lines from the engine. The line to the carb is simply identified by how it splits up to go in to the three intakes. Which other line goes to the pulse inlet of the fuel pump? Of the two remaining lines one is small and is closest to the carbs, the other one is further towards the center of the engine and is larger.

Which is hooked to the pump? And with the extra, I am assuming it needs to be capped somehow?

Which nipple needed replacing? Was it on the pump? Sorry if any of this is a repeat.
 
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