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Thread: How Fucked Am I?

  1. #1
    apriliaforum newb
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    Exclamation How Fucked Am I?

    Sooo I was putting the stock exhaust back on my V7 II Stone and this happened.....


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    Now I realize I dun goofed here, but I'm wondering just how bad I goofed. Can I just pull the exhaust off again and fish that sheered screw out from inside the engine through the exhaust hole? Or am I going to have to pull the engine apart to get to that screw?

  2. #2
    apriliaforum Member
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    From the look of the pics you should be able to just take the exhaust back off and have enough of the bolt sticking out to grab with a pair of vice grips and remove. If not and broken flush with head then an E-Z out will get it, no biggie.

  3. #3
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    when i get new bikes i usually try to remove the studs, or bolts on my more recent stuff, and copaslip them up. So next time easier to remove. I do it with my chain adjusters as well.

    But i agree with Zoombyu when you take exhaust off might have enough to get hold of it and twist it off. Spray some release agent to give you a chance as well. A little heat wont hurt either but if it gets desperate i have seen people welding something on to get them out.
    Last edited by marc.r1; 03-19-2019 at 04:45 AM. Reason: extra info

  4. #4
    apriliaforum expert rdbandkab's Avatar
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    fish that sheered screw out from inside the engine through the exhaust hole?
    As stated above, if you "snapped" the stud off while tightening the fastener, you have nothing to fish. Pull the exhaust (and exhaust flange) off and try to grab the exposed stud and extract it.
    Is part of the stud still in the nut you tightened (looks like they use a round nut with a hex head)


    I'm going to check out a parts diagram to verify this system is like most....
    Last edited by rdbandkab; 03-19-2019 at 07:25 AM.
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  5. #5
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    Thanks for the tips guys. On a side note, does anyone know what this particular bolt is called so I can buy a replacement?

  6. #6
    apriliaforum expert rdbandkab's Avatar
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    https://www.af1racing.com/store/Scri...i+-+All+Models

    Pick your model, click the OEM catalog and find the part you need from the diagram. Record the number. AF1 is your friend.


    *Might want to edit the thread title also?
    Last edited by rdbandkab; 03-19-2019 at 11:33 AM.
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  7. #7
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    Question

    Quote Originally Posted by rdbandkab View Post
    https://www.af1racing.com/store/Scri...i+-+All+Models

    Pick your model, click the OEM catalog and find the part you need from the diagram. Record the number. AF1 is your friend.


    *Might want to edit the thread title also?
    So I took a look at the Moto Guzzi V7 OEM catalog last night and I couldn't find that particular bolt on the exhaust diagram and I'm not sure which one it is on the engine diagram.

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    It looks like it could be #5, Stud Bolt but I'm not sure...

  8. #8
    apriliaforum expert pete roper's Avatar
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    The smallblocks use 6mm exhaust studs, it's very easy to snap them by overtightening. As the others have said remove the exhaust and see if you can grab the remains of the stud with vice grips. My guess though is that it will of broken off flush.

    The easiest way to remove the rest of the stud would be to take the head off and tackle it on the bench. Smallblock heads are so quick and easy to remove this is hardly a chore but I can understand you not wanting to. If you are inexperienced in removing snapped bolts I'd suggest getting a professional involved. Most places will have a specialist who does this, usually travelling in a van. Our local bloke is very good but is the most miserable bloke in the world as he knows that every job he goes to is going to be a bastard! Usually compounded by having been screwed around with by a hammer chewer before he gets to it!

    Pete
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  9. #9
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    Question Is this is?

    Quote Originally Posted by rdbandkab View Post
    As stated above, if you "snapped" the stud off while tightening the fastener, you have nothing to fish. Pull the exhaust (and exhaust flange) off and try to grab the exposed stud and extract it.
    Is part of the stud still in the nut you tightened (looks like they use a round nut with a hex head)

    I'm going to check out a parts diagram to verify this system is like most....
    yeah there's a small section of screw still stuck in the nut.

    So from what everyone's saying it sounds like this particular part is called a stud bolt?
    I'm guessing its the #5 part in this diagram. Can anyone confirm? I wanna get this part ordered ASAP so I can get back on the road.

  10. #10
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    JPremo,

    It looks like it to me but that is the stud that goes into the head so you will need the nut as well, unless you were able to get that off the snapped one.

  11. #11
    apriliaforum expert rdbandkab's Avatar
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    You can probably find a good YouTube vid on stud removal (might not be on a Guzzi, but you'll get the idea). And they'll usually have tips, tricks, or tools to recommend that make the job easier.
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  12. #12
    apriliaforum expert WadeS02's Avatar
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    If there's a Guzzi exhaust stud plate, that will make life easier.
    Windmill cancer survivor.
    I don't care about my apathy.

  13. #13
    apriliaforum expert shekel's Avatar
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    Many decades ago as a callow and very inexperienced 18 year old I snapped an exhaust stud on my'62 VW Beetle. With the help of an ezy out tool, removal of the broken stud was a doddle. Maybe I was just lucky.
    Gil
    'Its only rock n roll but I like it....'

  14. #14
    apriliaforum Junkie
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    Penetrating oil, try home made 50% acetone 50% ATF may help.

    But I have had trouble drilling studs for tap use and keeping drill hole on centre.

  15. #15
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    One of those had loosened and fallen off at some point before the initial service on my V7II. No idea how long I had been riding around without it but it certainly wasn't noticeable. Hopefully yours is an easy fix.

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