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05-04-2008, 06:49 PM #1
Adding RIVA Air Intake. Need Advise.
Im adding the RIVA Air Intake to my stock RXP-X. (which is running 69 mph at 8100 rpm).
My question is this; the air intake should raise rpms to somewhere around 8200, thus banging the limiter. I would need to lower rpms to somewhere around 8050 to 8100 (since its not even hot yet). Would I be better of putting pitch in stock prop? (if so, how much) or running the RIVA reduction nozzle?
Any advise would be appriciated!
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05-04-2008, 06:51 PM #2
You are kind of in dangerous territory. First off are you putting in a power filter or a rear intake because I don't think the rear intake fits in the RXPX. Secondly it has be said that to reduce the nozzle on the RXPX can cause bucking. I don't really now to much but i'm sure others will chime in.
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05-04-2008, 06:56 PM #3
I was going to install the RIVA power filter kit untill the grate and props come in.
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05-04-2008, 07:16 PM #4
Your gonna have to go with a 15/22 Pich impeller
Look at Riva's site.
http://www.rivayamaha.com/pwc_perf_p...rpm_rxpx_1.asp
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05-04-2008, 07:32 PM #5
If you don't want to wait supposedly there is a prop made by skat trak that will work pretty well with the PX machine. So you could check into that.
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05-04-2008, 08:37 PM #6
I attempted to install a custom 4" front... with a 90 degree 3-4 reducer to strait stock to a 90 elbow, then strait 4" to the front
needless to say, you can't fit strait across because you hit the ic-tb hose and the exhaust hose. Im going to try a 45 degree elbow in there as soon as i get a longer neck on the reducer.
Right now i have the ss filter mounted with the reducer for a rear set up and even that doesnt fit too well.. it causes some flex on the hoses. gonna give it a shot this week sometime..Last edited by ctriverguy; 05-04-2008 at 08:41 PM.
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05-04-2008, 08:40 PM #7
I just put on a straight 3 to 4 inch reducer. Then ran the kanaflex up front and removed the front airbox. It seems to fit fine. I picked up well over 200 rpm. I think with the 81mm nozzle I will notice 1 mph gain over stock, but I fell like I need a new prop to really show me what the machine can do.
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05-04-2008, 08:44 PM #8
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05-04-2008, 09:15 PM #9
home made rear air...
here is my rear air intake.......i just made it tonight
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05-05-2008, 06:09 AM #10
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