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Thread: RSVR 04-09 AN Fittings (Oil Cooler)

  1. #1
    apriliaforum Member
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    RSVR 04-09 AN Fittings (Oil Cooler)

    My project RSVR is slowly coming together. I received an email from my welder who has finally finished my request (see attached pictures below).

    I am replacing ALL oil hoses with AN fittings and Stainless Steel Braided Line (Don't know if using SS (Silver) or SS (Black) lines). I am currently waiting on the Oil Tank to be finished and can be fully assembled. (Oil Cooler weld points need to be painted).

    Scroll down to the bottom to view pictures "11" & "12". Regarding questions of Oil Inlet.


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    *** Picture "8": T AN fitting, decided to use (T12) Stator Mod as it burnt up in 12,000km ***

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    *** Picture "9" & "10": (Oil Outlet) ***

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    *** Picture "11" & "12": (Oil Inlet) ***
    - So my welder fabbed inlet piece due too the bung welded on (original OEM Inlet) is steel, AN fitting is aluminum. I have two questions.

    Question 1: The Fabricated Inlet has NO protruding tube, that inserts into the engine with O-Ring. However the (OEM Inlet) does. Will this cause a seal issue?

    Question 2: The inside diameter of the fabricated "Oil Inlet" is extremely choked. Will this cause an issue with oil draw the engine needs? Size of AN is (-6), so if this will be an issue (I'm assuming) I will need to increase size.

    Click image for larger version. 

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    Last edited by ApriliaRSVR1000; 11-22-2017 at 11:48 PM.

  2. #2
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    Good stuff, I have considered replacing the hose that exits the gearbox as I don't like the big bend in it. I was considering an alloy tube.
    Shane
    My current ride: 2004 RSV1000R Factory, DNA air filter, Arrow pipes, tail tidy, Aprilia alloy muffler brackets, Aprilia Performance open airbox conversion, Carbon fibre dual velocity stacks, Bazzaz Zfi & Afm, EVO1 adjustable/foldable levers. My wife's: 2002 MV Agusta F4 750S Diamante.
    Previous:
    2006 GSX-R1000 Full yoshimura exhaust, Galfer discs and lines, Pazzo levers, Factory Pro intakes, BMC filter, Yoshimura case savers, Vortex rearsets, Toby adjustable steering damper, Yoshimura bar end sliders.
    2004 GSX-R1000,1999 GSX-R750 SRAD full Arrow race system,1998 TL1000R Two Brothers pipes, 1993 ZXR 750,1998 TZ250U,1990 TZR250,1990 KR1S 250,1986 XR250 340 big bore kit,1991 KX250, 1993 KX125,1991 YZ250, TS250X RH,1974 CR250M Elsinore

  3. #3
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    Quote Originally Posted by KiwiRSV1000 View Post
    Good stuff, I have considered replacing the hose that exits the gearbox as I don't like the big bend in it. I was considering an alloy tube.
    Shane
    Yes it looks almost like it is bulging in the bend region. I'm assuming your speaking in regards to the oil inlet from oil tank? If so, I am still unsure on how I am approaching this. Their is currently a crowned male thread welded on "oil inlet" oil pipe, but either have the

    Choice 1: Screw braided line into "oil inlet" with 45 degree AN Fitting (gradual bend as going straight in will kink it)

    OR

    Choice 2: Screw braided line into "oil inlet" with 90 degree AN Fitting.

    Both viable choices, just a choice preference on "looks". Choice 2 would be a much cleaner look in my opinion as it would cut straight from "oil tank" to "oil inlet" with having the braided line almost completely straight with no bends. Except it would protrude from the engine much more by roughly 2" versus "Choice 1"

  4. #4
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    RSVR 04-09 AN Fittings (Oil Cooler)

    I always liked -AN fittings! Looks like racing, but is there a benefit on our bikes or is it just cosmetic, surely pressure in our oil lines is not that high right?
    ApriliaPista
    Mille Tech

  5. #5
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    AN Fittings are Aluminum and light, but it adds weight (weld on(s) / AN Fitting(s) / Steel Braided Rubber Hose) VS Rubber Hose.

    RSVR runs at about (8-9psi) through the oil cooling system and at most (40-50psi) which the rubber hose and clamps can surely handle. Although AN Fittings are rated for higher pressure, it is not needed on this project. This is primarily "looks"

  6. #6
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    *** Updated: Questions on pictures "11" & "12" ***

  7. #7
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    Well, if the suction side is like the hydraulic systems I've worked on, then you don't want to restrict it. The move volume it can supply, the better.
    Shane
    My current ride: 2004 RSV1000R Factory, DNA air filter, Arrow pipes, tail tidy, Aprilia alloy muffler brackets, Aprilia Performance open airbox conversion, Carbon fibre dual velocity stacks, Bazzaz Zfi & Afm, EVO1 adjustable/foldable levers. My wife's: 2002 MV Agusta F4 750S Diamante.
    Previous:
    2006 GSX-R1000 Full yoshimura exhaust, Galfer discs and lines, Pazzo levers, Factory Pro intakes, BMC filter, Yoshimura case savers, Vortex rearsets, Toby adjustable steering damper, Yoshimura bar end sliders.
    2004 GSX-R1000,1999 GSX-R750 SRAD full Arrow race system,1998 TL1000R Two Brothers pipes, 1993 ZXR 750,1998 TZ250U,1990 TZR250,1990 KR1S 250,1986 XR250 340 big bore kit,1991 KX250, 1993 KX125,1991 YZ250, TS250X RH,1974 CR250M Elsinore

  8. #8
    apriliaforum expert VR-8's Avatar
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    With that long welded/bolted connection to the radiator I would be worried about vibrations causing fatigue and over time a crack.....looks good though.

    /J

  9. #9
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    Ya I figured so, well, bigger it goes I guess! Thank you.

    Quote Originally Posted by KiwiRSV1000 View Post
    Well, if the suction side is like the hydraulic systems I've worked on, then you don't want to restrict it. The move volume it can supply, the better.
    Shane

    Are you referring to the "Oil Outlet"? if so, that is the OEM line, the AN male end at the end of the line is only where it is welded.. As long as good welds, they should not crack, as many hot rods or off-road vehicles have the same setup.

    Quote Originally Posted by VR-8 View Post
    With that long welded/bolted connection to the radiator I would be worried about vibrations causing fatigue and over time a crack.....looks good though.

    /J

  10. #10
    apriliaforum expert jess67's Avatar
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    Nice work, it's looking good. I have seen a photo somewhere of the pipe that runs under the motor in photo #9+10, replaced with a braided line that looked pretty cool. There is also a photo of an alloy fabbed oil tank that looked good as well but probably expensive.

  11. #11
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    That anodized blue looks great on aircraft so there's no reason not to put it on a bike too! Are you building your own hoses or are you using prefabbed stuff?
    Current: '07 Aprilia RSVR, '01 Suzuki Bandit 1200, '09 Aprilia Dorsoduro 750
    Past: '04 KTM 625 (I miss you...), '03 CBR F4i, '01 Suzuki Bandit 600
    '03 Yamaha YZF426, '94 Honda CR250 (mistakes were made...)
    '13 Honda CBR 250r

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    apriliaforum expert ned's Avatar
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    Nice project there and well worth putting pics up for us all to see.
    Ive done something very similar with the oil feed on my turbo falco and had persistent problems with the f
    Outlet on the crank case in your pic 11 and12.
    Because you no longer have the spigot which holds the o ring on the back of this fitting it will constantly weep oil and or come loose .
    This is not good for an oil feed that sees close to 100 psi pressure.
    For me the easiest and best fix was to tap a 1/4" npt thread into the outlet orifice then fit an npt to -6 straight in there.
    Just make sure its tapped as deep as you can go and straight.
    You dont even need to drill it if i remember rightlyClick image for larger version. 

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  13. #13
    apriliaforum expert kzmille's Avatar
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    Quote Originally Posted by ned View Post
    This is not good for an oil feed that sees close to 100 psi pressure.
    Not sure if you are doing something unusual with this line such as feeding your turbo but in the original configuration this is the return line from the scavenge pump and going through the oil cooler's and then to the oil tank. There is no real restriction in this line and it is under very little pressure.

    The line from the tank directly to the engine case is a suction line so no pressure there either. One very good thing about the Rotax engine is that it has no high pressure external oil lines.
    This is America. Use your turn signals or WE WILL KILL YOU

  14. #14
    apriliaforum expert ned's Avatar
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    For my application this line goes straight from the crank case to the oil tank with a T off to the turbo.there is a restrictor in my line to ensure enough pressure goes to the T and a pressure gauge which shows over 80 psi on start up.
    This pressure drops to 15 -20 psi once warm and rises with rpm.
    My restrictor in this setup is obviously what is causing my abnormal pressure reading.
    If apriliarsvr1000 has a more free flowing line than me them hopefully he wont get the weeping 0 ring problems i suffered.
    It would be interesting to see him fit a gauge inline to see what kind of pressure his cooler is exposed to

  15. #15
    apriliaforum expert kzmille's Avatar
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    You know that oil is unfiltered, right?
    This is America. Use your turn signals or WE WILL KILL YOU

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