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  1. #1

    Installing Riva exhaust have a quick question

    Does the top of the template go flush with the bond line at the bottom of the rubber rail or the bottom of the hull 3/4" above the bottom of the rubber rail. I cut out only the black outline of the hull fitting eye.
    Thanks.

    Off topic the pro series blockoffs look different up close than they do in the riva pictures.
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  2. #2
    Moderator Franko's Avatar
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    I had the same question (not answered in the instructions). I just put the cleat hook at the bottom of the cut out as my guide. I hope it works.

  3. #3
    Site Admin Green Hulk's Avatar
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    You have it right. Cut the hole!!!1

  4. #4
    Moderator Franko's Avatar
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    I also tried making the holes a little smaller than Riva suggested for a tighter fit. This just made it harder to affix the exhaust outlet to the support ring on the inside of the hull. I suggest using the dimensions Riva recommends.

    Oh, and wear a long sleeved shirt when cutting a hole in the hull. That fiberglass made me itch for a day

  5. #5

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    What did you guys use to drill the exhaust hole? Hole saw??? if so what size. Thank you

  6. #6
    Moderator Franko's Avatar
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    I used a 2 3/4 hole saw drill bit. Then I took some 60 grit sand paper to clean up the hole and increase the size to the suggested 2 7/8.

  7. #7
    rx4pain's Avatar
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    Sweet Mark! You got the Pro OPAS...I think you'll have yours on before me, so please post pro's and con's with install and results!

  8. #8

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    Hey guys what is the stock rev limit on a RXP? 8200- 8250???? Thank you guys for the info on the hole size.Todd

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