high flow oil pump - Honda RC51 Forum : RC51 Motorcycle Forums
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post #1 of 18 (permalink) Old 02-21-2011, 12:40 PM Thread Starter
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high flow oil pump

hey guys im looking to put a high flow oil pump in my motor does anyone know where to get one and what one is best
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post #2 of 18 (permalink) Old 02-21-2011, 01:38 PM
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Why high-flow? I've never heard of anyone replacing it with anything other than stock.
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post #3 of 18 (permalink) Old 02-21-2011, 02:18 PM Thread Starter
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Oil pump

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Why high-flow? I've never heard of anyone replacing it with anything other than stock.
I havd it in a side by side with a bigger oil cooler and i putting a turbo on it so it needs more oil pressure
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post #4 of 18 (permalink) Old 02-21-2011, 02:59 PM
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LOL, gotcha. I've never heard of a higher-flow one. I'd almost think an auxiliary one would be easier than fooling with the stock one.
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post #5 of 18 (permalink) Old 02-21-2011, 03:45 PM
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The RC51 oiling system is pretty advanced and optimized for racing.
They have separate circuits for the main and rod bearings.

For the rod bearings, they used the centrifugal force of the spinning crank to boost oil pressure, thereby allowing a smaller oil pump that requires less power.
The only chain in the engine is the small one that runs the oil pump. Everything else is gear drive.
Some smart engineers at Honda.

As for use with a turbo, I can't help you there.
That's way off the beaten track for this engine.
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post #6 of 18 (permalink) Old 02-21-2011, 05:40 PM
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yeah why would u want to turbo the RC motor........
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post #7 of 18 (permalink) Old 02-21-2011, 06:16 PM
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buddy your gonna be really disappointed with a turbo on vtwin. Your gonna be bouncing off that rev limiter so fast every time you hit it! damn shame

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post #8 of 18 (permalink) Old 02-22-2011, 11:14 AM Thread Starter
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buddy your gonna be really disappointed with a turbo on vtwin. Your gonna be bouncing off that rev limiter so fast every time you hit it! damn shame
Not if im gear down the motor is not in a bike its in a side by side. My guy that builds my race motors for my 4 wheeler has seen a high flow oil pump he just cant rembmer what brand it was so i was hopping some guys on here might know
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post #9 of 18 (permalink) Old 02-22-2011, 12:15 PM
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Not if im gear down the motor is not in a bike its in a side by side. My guy that builds my race motors for my 4 wheeler has seen a high flow oil pump he just cant rembmer what brand it was so i was hopping some guys on here might know
that makes more sense!

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post #10 of 18 (permalink) Old 02-22-2011, 01:02 PM Thread Starter
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that makes more sense!
Yeah i have a rpm gear box that's a 5:1 ratio so I'm alot lower plus I can Chang the sprocket on the gear box and bike to lower it more if I need to but in 6 gear at 8500 on the road it will run 95 so if i want to turn it to 9500 it should run around 105 to 110
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