2009 650A rear axle bolt questions - Stromtrooper Forum : Suzuki V-Strom Motorcycle Forums
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post #1 of 13 Old 07-09-2009, 04:47 PM Thread Starter
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2009 650A rear axle bolt questions

Howdy - long-time reader, first time question-asker.

I've got a DL-650A K9 (woof!) that I got in March. I'm still new to the world of chain maintenance, as my previous bike was belt-driven. I've done a couple of chain adjustments, but I run into difficulties with that big bolt on the right side of the rear axle. In previous years, I believe there was a cotter pin used to retain the bolt. But my bike has no pin, and no apparent place to put one. Here's a look:




See - no cotter pin. But there are a couple of funny-looking little flanges inside that bolt. See if you can see them in this close-up:



The owner's manual says to loosen than bolt prior to adjusting the chain. But it's REALLY tight - like stand-on-the-end-of-my-big-crescent-wrench tight. So I've taken to loosening the OTHER side - the left side - which looks like this:



It's tight, but nothing compared to the right side. Once loosened, I can adjust the chain and torque it all back down (I've been torquing that left bolt to 65 ft/lbs, per suggestions on this forum that the Suzuki 72-something spec is too tight).

So... What's the deal with that right-hand bolt? Are those mysterious flanges some sort of built-in locking mechanism? Is my lefty-loosey method OK? And if/when I ever have to remove that bolt (for tire changes, etc.) will I have any trouble getting it back together? Should I dab some anti-seize in there? (I do realize that the left bolt is threaded into the right one)

Thanks in advance for your collective wisdom. In exchange for your knowledge, I plan to post a super-easy method to attach & remove those pesky centerstand springs.
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post #2 of 13 Old 07-09-2009, 06:05 PM
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It's a fuji nut and the tabs are for keeping it in place. When you turn the other side, you are just turning the axle and the fuji nut is also turning on the opposite side. You have to hold the axle in place and turn the fuji nut to loosen the axle. You need to loosen the axle to adjust the chain. The old castellated nut had less surface area and liked to cold pressure weld, or gall, itself to the axle. I still like to use anti seize compound on the nut to prevent galling and torque it to 58lb-ft instead of the recommended 72.5lb-ft to account for the lubrication effect.

Pat- 2007 DL650A was ridden to all 48 contiguous states. I didn't quite make it to 17,000 miles on the 2012 DL650A.
Nicknames I use to lessen typing, Vee = 2002-2012 DL1000s. Vee2=2014-2016 DL1000s. Wee = 2004-2011 DL650s. Glee = 2012-2016 DL650s
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post #3 of 13 Old 07-09-2009, 07:32 PM
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Quote:
Originally Posted by greywolf View Post
It's a fuji nut and the tabs are for keeping it in place. When you turn the other side, you are just turning the axle and the fuji nut is also turning on the opposite side. You have to hold the axle in place and turn the fuji nut to loosen the axle. You need to loosen the axle to adjust the chain. The old castellated nut had less surface area and liked to cold pressure weld, or gall, itself to the axle. I still like to use anti seize compound on the nut to prevent galling and torque it to 58lb-ft instead of the recommended 72.5lb-ft to account for the lubrication effect.
Why is it recomended to use lower torque than 72.5lbs? I had never heard that untill the OP mentioned it.

[SIZE="1"]2006 V-Strom 650, 2005 KLR 650 (Sold), 1998 KLR 250 (Sold), 2000 Kymco Cobra Racer (Sold, it was a scooter - does that count?), 1978 YZ125 (Sold), 1989 KX 125 (Sold), 1984 DR 125 (Sold), Misc Mopeds (Sold)[/SIZE]
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post #4 of 13 Old 07-09-2009, 07:44 PM
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Quote:
Originally Posted by DblD View Post
Why is it recomended to use lower torque than 72.5lbs? I had never heard that untill the OP mentioned it.
If you lubricate the threads, you don't need as much torque to tighten the bolt. The recommendation for a specific lower value is based on observation and experience, and it's more than a guess.

Here's some info from a company named Valley Forge:


-Tom (DL650AL2) (KA1TOX) (E-I-E-I-O)

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post #5 of 13 Old 07-09-2009, 08:51 PM
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Thanks for the info. Very interesting indeed, something that never crossed my mind.

[SIZE="1"]2006 V-Strom 650, 2005 KLR 650 (Sold), 1998 KLR 250 (Sold), 2000 Kymco Cobra Racer (Sold, it was a scooter - does that count?), 1978 YZ125 (Sold), 1989 KX 125 (Sold), 1984 DR 125 (Sold), Misc Mopeds (Sold)[/SIZE]
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post #6 of 13 Old 07-10-2009, 11:39 AM Thread Starter
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Thanks for the info. Yes, I realized that I needed to hold that bolt on the right in order to loosen the one on the left. Originally, I was using my Big-Ass (tm) crescent wrench, but I've since discovered that I can literally hold that bolt with my fingers while loosening the one on the other side. Same for tightening; I can hold it with my fingers while ratcheting up the left bolt until it starts getting tight, then it holds still all by itself while I apply the torque wrench.
Next time I'm in there I'll apply some anti-seize. Don't know if you folks know about it, but the auto parts store near me has little 5-gram packets (about the size of a ketchup packet) of Permatex anti-seize up by the register. Much more toolbox friendly than that one-pound jug from the motorcycle shop.

Thanks again! Spring story coming as soon as I take the pictures.
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post #7 of 13 Old 07-10-2009, 11:59 AM
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A crescent wrench is the wrong tool for the job as you've probably discovered. Limit it to plumbing use.

Pat- 2007 DL650A was ridden to all 48 contiguous states. I didn't quite make it to 17,000 miles on the 2012 DL650A.
Nicknames I use to lessen typing, Vee = 2002-2012 DL1000s. Vee2=2014-2016 DL1000s. Wee = 2004-2011 DL650s. Glee = 2012-2016 DL650s
See https://www.stromtrooper.com/general-...nicknames.html

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post #8 of 13 Old 07-10-2009, 12:30 PM
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Question Axle bolt or bolts?

Recently I adjusted my chain for tightness (tension). The lower portion was too loose as I could push it upward (@ the half way span spot) about 1&1/2 inches, (1.5"). I loosened the axle nut on the right side, after removing the cotter pin. As I began the loosening process, I noted the poundage reading on my old time torque wrench. It showed about 75# just as the nut started to loosen. So I felt OK about that, per the Manual instructions.

I did HAVE TO hold the left side bolt head to do this. That implied to me that there is ONE thru bolt, threaded at the end to receive the castle nut on the right side. Typical of so many bicycle axles I've had in my lifetime.

Until I read this Thread, I thought nothing unusual. Now I am wondering if there are 2 bolts, (the left bolt threaded INTO the right bolt INSIDE the wheel housing) or simply 1 bolt with a head on the left & a nut on the right.

Incidentialy, this does not count the nut who is writing this.

My V-Strom 650 is a 2008 model.

Thanks for info.
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post #9 of 13 Old 07-10-2009, 12:34 PM
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Grey wolf is right

Ditch the plumbing tool. I.e. the crescent wrench. You should be using a good "click" type 1/2 drive foot pound torque wrench loaded with the proper sized socket to fit the nut side of the axle bolt and a proper sized combination end wrench on the hex head of the axle bolt itself. Sears (craftsman) is a pretty good source of affordable qulaity tools. Start building a basic tool set to work on your bike with. It doesn't take many for basic maintenance work.

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post #10 of 13 Old 07-10-2009, 12:37 PM
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Quote:
Originally Posted by Montana73 View Post
Until I read this Thread, I thought nothing unusual. Now I am wondering if there are 2 bolts, (the left bolt threaded INTO the right bolt INSIDE the wheel housing) or simply 1 bolt with a head on the left & a nut on the right.
That's why I posted what I did about it being just an axle with a hex head on one side and a nut on the other.


Pat- 2007 DL650A was ridden to all 48 contiguous states. I didn't quite make it to 17,000 miles on the 2012 DL650A.
Nicknames I use to lessen typing, Vee = 2002-2012 DL1000s. Vee2=2014-2016 DL1000s. Wee = 2004-2011 DL650s. Glee = 2012-2016 DL650s
See https://www.stromtrooper.com/general-...nicknames.html

Please vote in the poll on what Strom(s) you have at https://www.stromtrooper.com/informat...-you-have.html
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