Thread: Intake Setup
07-29-2006, 10:59 AM #1
Ok, I think I am going to throw on an aftermarket intake when they put together my moter this time around and throw on a EFI module thing from riva. What intake do you guys like? I saw the GP 1300R Power Plenum from RD and it looked nice. Are there any draw backs to having an intake? My goal is to pull my 14/20 to a "decent" rpm and I figure an intake and efi couldn't hurt. I am also getting my stock head milled down just a bit for 89 octane gas and I am looking into getting a timing key but I havent made up my mind.
07-29-2006, 11:07 AM #2Originally Posted by Chrisrokc
also do the key, you wont regret it.
Also if one of our moderators will be so kind to move this to the Yamaha Performance section
07-29-2006, 11:08 AM #3Originally Posted by WFO
What gains will I get from changing the timing? And is there a greater risk on the filter with getting water in the motor? I have only had water in my hull once and that was when it over heated and flooded it self....
07-29-2006, 11:17 AM #4
The key will give an extra 50 or so rpms on top, and you will see big gains in the low to mid accelleration.
I added the Riva Splash Guard with my air filter for added protection from water intrusion.
07-29-2006, 11:32 AM #5
I had to go find the picture.
The filters are for a 1200, but the guard is correct, and goes between the motor mount bolts under the throttle bodies.
And the good thing is, if you get the part numbers for any parts you want that Riva has, and order through Jerry's online store, you get the Greenhulk discount.
07-29-2006, 12:00 PM #6Originally Posted by WFO
07-29-2006, 12:13 PM #7What type of gains and rpms can be had with an intake with the mods I have?
Depends on how the boat is set-up.
example: a friend of mine has an 06 with 12hrs and
R&D air filter
R&D plate by Jim
R&D tabs by Jim
PPK,shoe sealed by me
Runs 72mph @ 7200 w/full tank of gas.
He still needs his prop pitched and handling dialed in. Should be able to squeeze another 2 mph out of it.
07-30-2006, 11:57 AM #8
Ok, one more question
How dirty do these filters get? And do you have to clean them?
07-30-2006, 12:33 PM #9
- Join Date
- Apr 2006
- South MS
I don't think they will get that dirty. Most marine engines don't even have a filter there's just not that much dust and dirt on the water. The main reason for the filter is safety it acts as a flame arrestor incase of a back fire. If you do need to clean it after many hours just wash like a k&n.
07-30-2006, 02:22 PM #10
Ah, ok i see!
Well if I don't get the splash guard should I be worried if I get the R&D or Riva race filter that goes right on the throttle bodies?
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