Author Topic: Torque specs  (Read 5345 times)

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Offline BDI

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Torque specs
« on: April 17, 2009, 10:44:03 AM »
I have had an idea for a while now and I wanted to see what you guys think. I know it's bad jew jew to post manuals online do to copyright stuff. What I would like to start is a section that deals with torque specs for bikes. Not just KX 500 but all bikes, Now I know this would be a lot of work but what I'm picturing is a clean section with zero discussion. If you have a manual for a yamaha 660 what you would do is go through and list every toque spec for every bolt in the bike and word it just like in the manual. What do you guys think :? to much work :? would it be illegal :? I think it would be cool and would add even more value to are site. It would have to be orginzed some how and get dangers stamp of approval.
« Last Edit: April 17, 2009, 10:47:20 AM by BDI »
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Offline kxpegger

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Re: Torque specs
« Reply #1 on: April 17, 2009, 12:07:40 PM »
Honda torque specs are notorious for being wrong (way to high). They also mix up units like using foot pound when they mean inch pound. They can't even agree on fluid quanities between what the owners manual says and the service manual on my son's "04" CRF. I use my Suzuki or Kawi torque specs for the Honda.

I think you've got a good idea but where Honda is concerned as one example I think it would be hard to come up with accurate values.
North Las Vegas

"05" RMZ450, "08" KX500AF "11" KTM 450SX-F "12" KTM 250SX "15" KTM450SX-F

Offline BDI

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Re: Torque specs
« Reply #2 on: April 17, 2009, 03:06:57 PM »
Well I would just go with what ever was in the manual for that bike but judging by the overall response it's probably a stupid idea anyway. What about a general toque guide I know I have seen stuff before that said for this size bolt or nut with this thread it should be torqed to this.
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Offline BDI

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Re: Torque specs
« Reply #3 on: April 18, 2009, 06:50:40 AM »
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Offline Danger4u2

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Re: Torque specs
« Reply #4 on: April 18, 2009, 07:10:16 AM »
Yes, it would be good to have an area to look up specs.  It can't look like the copyrighted book.
The CR500Riders have a good set up. You have to own a CR500 to be a member.
Let me see (tonight) if I can find what I'm talking about and put a link here.
Then see if you can link to it.

Here it is,  http://cr500riders.net/parts_ref/1_index_ref.htm
« Last Edit: April 18, 2009, 07:12:06 AM by Danger4u2 »
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Offline maddoggy

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Re: Torque specs
« Reply #5 on: April 24, 2009, 05:30:58 AM »
danger and BDI, maybe i could type up the torque values for metric and standard fasteners as found in the manuals at my work for the "un-named" big yellow heavy equipment. let me know if you want it and i'll get to working on it.                     
                                                                         MADDOGGY

Offline blueoval

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Re: Torque specs
« Reply #6 on: December 11, 2009, 03:23:21 PM »
From what I understand about fasteners it is for the most part independent of what they are used for.  The torque of any fastener is determined by the fastener itself like the size of it and whether or not a type of lube is used on the threads.  I could be wrong, but that is how we did when building race cars.  That leads me to a point I wanted to ask opinions about.  I was always taught to tighten fasteners using ARP lube or other type of lube on the bolts and then torque to the appropriate specification for that particular bolt or fastener.  To not tighten them dry, unless there was a compelling reason.  More accurately on connecting rods I would use a stretch gauge instead of a torque wrench with the appropriate lube on the threads.  Just wondering if anyone torques the fasteners with ARP lube in places like the handlebar clamps, etc.  Sounds like all the bolts eventually fall out of the K5, so maybe it just doesn't matter.  B.O. 
If some is good, and more is better, then too much is JUST RIGHT!  B.O.

Offline ShadeTreeFab

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Re: Torque specs
« Reply #7 on: December 12, 2009, 03:43:59 AM »
on a k5 my bolt lube is blue loctite

Offline blueoval

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Re: Torque specs
« Reply #8 on: December 12, 2009, 03:49:04 AM »
ShadeTreeFab, that is what I thought.  Are there any bolts that don't get locktite?  I am asking that in all seriousness.  B.O.
If some is good, and more is better, then too much is JUST RIGHT!  B.O.

Offline ShadeTreeFab

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Re: Torque specs
« Reply #9 on: December 12, 2009, 04:08:12 AM »
only the ones you want to replace every ride :-D, I don't LT anything in the perch's, gas tank and very light on the nut serts in sub frame. all brake bolts and drain plug get safety wire.

Offline Friar-Tuck

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Re: Torque specs
« Reply #10 on: December 12, 2009, 05:00:26 PM »
      
Quote
BlueOval..  From what I understand about fasteners..snip
 
That's exactly the way I see it.   That (I think) is also what Maddoggy was eluding to by downloading the torque value chart    from work...

 The only thing I do different is Dap (the caulking) on the non critical stuff.
   
Quote
the perch's, gas tank
  etc.
   No, it's not very scientific... but so far ..so good...
               
Quote
brake bolts and drain plug get safety wire.
  I should probably do more of this! This is good advice..(ShadeTree)
    Tuck\o/
   
« Last Edit: December 12, 2009, 06:48:57 PM by Friar-Tuck »
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Offline jfabmotorsports.com

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Re: Torque specs
« Reply #11 on: December 13, 2009, 01:40:47 AM »
I would be very careful when not useing the Kawasaki specs. I don't think a general torque spec takes into account that the fastener is in aluminum or steel. For instance, the fork clamps on my 450 get torqued to different specs..top clamp 17 ft-lb and the lower 15 ft-lb same bolt size and in the same material. In this case they don't want the tube crushed where the piston slides. I would buy a manual.

JFAB
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Offline BDI

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Re: Torque specs
« Reply #12 on: December 13, 2009, 06:14:58 AM »
I now have a program called all data that gives all the critical torque specks for every motorcycle made. It also gives oil capacities and types of oil. You can also use it to calculate repair times.
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Offline jfabmotorsports.com

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Re: Torque specs
« Reply #13 on: December 13, 2009, 08:14:00 AM »
http://www.shopmanualdownloads.com/rip/index.php

I'm not sure how they get past the copy right but you pay the price and you get the PDF in less than a min.
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Offline Friar-Tuck

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Re: Torque specs
« Reply #14 on: December 13, 2009, 08:14:40 AM »
  Jerry,
  I guess in the scheme of things, 
 Getting a bike specific service manual is the best answer for the average guy servicing his bike.
   Having a general or basic understanding of the limits of common stuff like fasteners and their application can help  keep said average Joe  from mucking up some expensive parts.
   (There have been times the service manuals had a mis-print or whatever. and questioning something that doesn't look quite right should be investigated)
 
  And how the heck I got so far off track  on this thread is beyond me....
Back to the intent of the original posts...having a database with lot's of different atv's & bikes would be another place to gather info,  bringing this up again has generated some discussion,
  and given me another opportunity ramble on and prove it takes me four lines and an hour on a computor to say......nothing much at alll... :-o :oops:
     Tuck\o/   
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