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Thread: How-To proceedures

  1. #61
    apriliaforum newb
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    I am a little confused my bike appears to sxv 550 engine #03190 2007 model with up graded starter gears and orange sealant !! Can't see any orange sealant !! could this mean it has being already sealed by a authorized dealer ?? where should I see the orange sealer ?

  2. #62
    apriliaforum Junkie J_B's Avatar
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    It has most likely been re-sealed by now.
    The seal in question is the one that seals the two case halves together - down the center-line of the engine.

  3. #63
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    Hi All! As this is the "How to" section, just thought I would put in a little hint. Get yourself a fine point permanent black marker, and use it to go over the oil level marks on the oil tank, like I have done here:

    Click image for larger version. 

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    Makes it heaps easier to see where the oil level is, especially when you have a Mecasystem radiator guard fitted!

  4. #64
    apriliaforum expert swerver's Avatar
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    Starter Motor reconditioning/info thread:

    http://www.apriliaforum.com/forums/s...-Motor-Brushes

  5. #65
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    Awesome post Joe as usual; this should be a standard reference for anyone looking to fiddle with their oil system!

  6. #66
    just another Aprilia fanatic amauri's Avatar
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    JOE,

    As I see it, your modified drawing has a flaw.

    You have the rear valve cover breather #5 venting to the airbox as it should.
    But you also have the return hose #6 capped off instead of draining back to the crankcase hose #4 or into a catch tank.

    This will result in excess oil in the airbox and the need to constantly drain clear hose "D" in your diagram.
    Never accept mediocrity, always demand competence.

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  7. #67
    apriliaforum Junkie JOEDOTCOM's Avatar
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    Quote Originally Posted by amauri View Post
    JOE,

    As I see it, your modified drawing has a flaw.

    You have the rear valve cover breather #5 venting to the airbox as it should.
    But you also have the return hose #6 capped off instead of draining back to the crankcase hose #4 or into a catch tank.
    This will result in excess oil in the airbox and the need to constantly drain clear hose "D" in your diagram.
    hi
    i originally had it like you said return hose from air box to 4
    but because the crankcase breather is pulsed it made a mess in the airbox
    ive had it like that for over two years and i dont get any oil in my airbox and it dont use any oil
    if you look at the kit from af1 it comes with a tee, i assumed it suppose to go in line 1 then to 4 like in the diagram
    if not where the tee go
    just looked theres a second tee, the airbox drain also be teed into line 4

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    Last edited by JOEDOTCOM; 10-04-2014 at 02:50 PM.

  8. #68
    apriliaforum Junkie JOEDOTCOM's Avatar
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    hi
    I know the standard ones right, but is the modified one

    Click image for larger version. 

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  9. #69
    apriliaforum Junkie JOEDOTCOM's Avatar
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    hi
    it would be nice to see the proper instructions for fitting the rear cam cover breather and the tee kit above from af1
    does any body have the instructions they can post up

  10. #70
    just another Aprilia fanatic amauri's Avatar
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    Quote Originally Posted by JOEDOTCOM View Post
    hi
    I know the standard ones right, but is the modified one
    Looks better now, but I prefer to leave the hose #6 in it's original connection without the "T" fitting kit.

    Quote Originally Posted by JOEDOTCOM View Post
    hi
    it would be nice to see the proper instructions for fitting the rear cam cover breather, does any body have the instructions they can post up

    There's not much too it.

    -Remove the old valve cover.
    -Lock the camshaft with the 6mm pin and replace the old sprocket bolt with the new type supplied in the kit (no need to worry about cam timing moving).
    -Install the new valve cover with vent fitting pointing at about 5 o-clock, see photo bellow.
    -Remove the vent hose that connects the RH top side of the oil tank to the RH top of the airbox, cap it off at the oil tank end only.
    -Now install a new longer hose from the valve cover fitting to the top RH side of the airbox.

    That's it, you're done.
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    Last edited by amauri; 10-04-2014 at 04:13 PM. Reason: spelling
    Never accept mediocrity, always demand competence.

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  11. #71
    apriliaforum Junkie JOEDOTCOM's Avatar
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    hi
    cheers
    is there any info on/instructions on the af1 oil line kit

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  12. #72
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    The reason hose 4 pulses, is because the proper engine breather hose that goes to the oil tank, the big hose that allows big volumes of air to move through it, now has no where to breathe to as the oil tank is now a sealed container...

    So the engine now only has a little tiny hose, that was designed to drain oil down by gravity, to breathe through...

    With the rear rocker cover breather mod it helps, but not being direct from the crank area there are some restrictions, so the engine still tries to use the hose 4...

    I have 23,000km on the stock Aprilia breather system with never a problem...

    Yes, I do see oil in the clear air box drain tube, this is exactly what it was designed for and why it is the only clear hose, so you see that little bit of oil and drain it...

    If you are getting large volumes of oil in the air box this is a symptom of a problem and re routing hoses doesn't fix the problem it just hides the symptom...

  13. #73
    just another Aprilia fanatic amauri's Avatar
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    Thanks for confirming what I've been trying to convince everyone of for the last 8 years.

    "If you are getting large volumes of oil in the air box this is a symptom of a problem and re routing hoses doesn't fix the problem it just hides the symptom..."

    Quote Originally Posted by S4R View Post
    The reason hose 4 pulses, is because the proper engine breather hose that goes to the oil tank, the big hose that allows big volumes of air to move through it, now has no where to breathe to as the oil tank is now a sealed container...

    So the engine now only has a little tiny hose, that was designed to drain oil down by gravity, to breathe through...

    With the rear rocker cover breather mod it helps, but not being direct from the crank area there are some restrictions, so the engine still tries to use the hose 4...

    I have 23,000km on the stock Aprilia breather system with never a problem...

    Yes, I do see oil in the clear air box drain tube, this is exactly what it was designed for and why it is the only clear hose, so you see that little bit of oil and drain it...

    If you are getting large volumes of oil in the air box this is a symptom of a problem and re routing hoses doesn't fix the problem it just hides the symptom...
    Never accept mediocrity, always demand competence.

    Certified Aprilia Moto Service in Southern California
    Call me at 714 892-4056 for appointment

  14. #74
    apriliaforum expert Allen Noland's Avatar
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    Quote Originally Posted by S4R View Post
    If you are getting large volumes of oil in the air box this is a symptom of a problem and re routing hoses doesn't fix the problem it just hides the symptom...
    AMEN! Funny how engines need to breath too. My sister's boyfriend had a modded, turbocharged, lowered, blacked out Ford Escort that he was absolutely in love with. After one of his "improvements", it started pumping oil up the dipstick tube with enough pressure to blow the dipstick out and cover the engine compartment with most of the engine oil. Instead of fixing the crankcase breather issue he had created, his solution was to throw the dipstick away, drill a hole in the oil fill cap and run a hose (braided stainless of course) from the dipstick tube to the oil fill cap. Eventually the fuel vapors contaminated the oil and it put a rod through the side of the block.
    Noland Trans-World Cycle
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  15. #75
    just another Aprilia fanatic amauri's Avatar
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    Smile

    Quote Originally Posted by Allen Noland View Post
    Eventually the fuel vapors contaminated the oil and it put a rod through the side of the block.
    Hah, problem solved.
    His crankcase is venting very well now
    Never accept mediocrity, always demand competence.

    Certified Aprilia Moto Service in Southern California
    Call me at 714 892-4056 for appointment

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