Loose Sprocket Nut - Stromtrooper Forum : Suzuki V-Strom Motorcycle Forums
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post #1 of 12 Old 10-14-2010, 02:23 PM Thread Starter
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Loose Sprocket Nut

Just an FYI - ’09 Wee with 25K miles on the original chain and sprockets, and it’s time to change them. I wasn’t looking forward to getting that c’shaft sprocket nut off, but when I put the socket on I realized it was loose. In fact it had backed out a turn or two. Just lucky I guess, no harm - no foul, but you might want to check’em. I'll be keeping an eye mine.

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post #2 of 12 Old 10-14-2010, 02:49 PM
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That should not be possible on a 650. There is a washer under the nut that is keyed to the splines and should be bent over against one of the nut flats. See what is wrong with yours and get a new washer if the old one is damaged.

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 12 Old 10-14-2010, 03:59 PM
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Quote:
Originally Posted by greywolf View Post
That should not be possible on a 650. There is a washer under the nut that is keyed to the splines and should be bent over against one of the nut flats.
Despite the peened over washer, it's loosened up on Black Lab too, a couple of times, if I remember right.

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

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post #4 of 12 Old 10-14-2010, 04:03 PM
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I suspect the washer and splines were not properly lined up. Also, I like the 83lb-ft spec of the DL1000 instead of the 105lb-ft spec on the 650 that may destroy the washer. Red Loctite is a good idea though.

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 #5 of 12 Old 10-14-2010, 05:35 PM
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Mine still moves a bit. I tightened the nut to 105lbs, used "blue" Locktite, bent the washer over one of the flat surfaces of the countershaft nut.

The nut backed off a little bit after riding a couple of thousand miles. I re-torqued the nut, rebent the washer and ALSO bent the washer over the opposite "flat" surface of the nut.

It still has moved some.

I checked it this past Sunday, as part of my maintenance before leaving NJ for WV. The nut has moved a bit by the two areas that I flattened washer down on to the nut. What did I do? I flattened a third part of the washer.....

I am back home now. I will take a closer look at what is going on here over the next couple of days.

2007 DL-650 (I gave away in 2012 with 111,000 + miles)
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post #6 of 12 Old 10-14-2010, 06:35 PM
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Try red loctite ?

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post #7 of 12 Old 10-14-2010, 07:30 PM
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Quote:
Originally Posted by Black Lab View Post
Mine still moves a bit. I tightened the nut to 105lbs, used "blue" Locktite, bent the washer over one of the flat surfaces of the countershaft nut.

The nut backed off a little bit after riding a couple of thousand miles. I re-torqued the nut, rebent the washer and ALSO bent the washer over the opposite "flat" surface of the nut.

It still has moved some.

I checked it this past Sunday, as part of my maintenance before leaving NJ for WV. The nut has moved a bit by the two areas that I flattened washer down on to the nut. What did I do? I flattened a third part of the washer.....

I am back home now. I will take a closer look at what is going on here over the next couple of days.
That's really odd. I've had SV650 C/S sprockets on and off dozens (maybe hundreds??) of times and never had a problem. I just use blue locktite, hit them with the impact wrench and bend over the washer in one spot. Haven't had one loosen up at all.

Rich Desmond
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post #8 of 12 Old 10-14-2010, 08:35 PM
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I've got to wonder if the washer cogs are actually getting seated in the splines.

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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post #9 of 12 Old 10-14-2010, 09:39 PM
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Quote:
Originally Posted by greywolf View Post
I've got to wonder if the washer cogs are actually getting seated in the splines.
I've done a number of them at the track where the washer was all buggered up and didn't seat right on the splines, never a problem.

Blacklab is obviously a competent wrench, so I'm mystified.

Rich Desmond
'07 DL650, '01 DR-Z400S, '99 SV650 (race bike), '80 GS1000S, '85 RZ350, '08 Ducati 848
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post #10 of 12 Old 10-14-2010, 10:08 PM
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I will take a few photos tomorrow and share them. Maybe with some collective "head banging" the issue can be solved.

2007 DL-650 (I gave away in 2012 with 111,000 + miles)
"A word grows to a thought; a thought to an idea; an idea to an act. All the pieces are put together, and the whole is yours."
1942, Beryl Markham: "West With the Night"
"You can talk about doing a thing until everyone finally talks you out of it, or you can actually do the thing"
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