Chain tension - Stromtrooper Forum : Suzuki V-Strom Motorcycle Forums
DL1000A - 2014-2016 DL1000A - 2014-2016 (L4-L6)

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post #1 of 19 Old 07-02-2017, 03:44 PM Thread Starter
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Chain tension

Hi Group!

I was surprised yesterday when checking the chain tension on my DL1000A 2014. As indicated in the instruction manual, I am able to move the chain (midway between the two sprockets) 20-30mm up/down when on the side stand (actually 30mm on my bike). Then I made a person my size sit on the bike in an upright position. The chain was like a guitar string!

Is this normal? Since the swingarm axle is offset from the drive sprocket axle there will always be a difference in chain slack depending on load, but shall it ever be this tight? I would suppose a lot of unnecessay wear on both sprockets.
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post #2 of 19 Old 07-02-2017, 06:20 PM
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Had the same doubt on my bike. Later, the mechanic explained that when we sit on the bike, the chain is resting on the rubber dumpeners of the front sprocket, giving us impression that the chain is too tight. I don't know it it's true but replaced my chain and front sprocket on 20.000 km's and both were like new. 28.000 km's on the clock now and no problems at all. And, all the time I respected 20-30mm slack on the side stand as per book.
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post #3 of 19 Old 07-02-2017, 06:33 PM
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I always have a bit more slack - around 40 mm. I am always aware of it being better to have it adjusted bit slack rather than too tight.
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post #4 of 19 Old 07-03-2017, 03:47 PM Thread Starter
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Good to hear that this in kinda normal and that no excessive wear can be expected
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post #5 of 19 Old 07-03-2017, 04:08 PM
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Inch and a half (38mm) of slack at it's tightest point while on the center stand is what I've found to be the sweet spot.
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post #6 of 19 Old 07-03-2017, 06:32 PM
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I go with 25mm (1 inch) and I've never had a problem. I clean and lube the chain and check tension every 1000km (~621 miles). If there is too much slack, it takes a lot of a beating as it oscillates between slack and tension.

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post #7 of 19 Old 07-03-2017, 07:28 PM
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[QUOTE=VSrider;4735265]Inch and a half (38mm) of slack at it's tightest point while on the center stand is what I've found to be the sweet spot.[/QUOTE

I do the same after I adjusted on the side stand put it on center stand and checked

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post #8 of 19 Old 07-03-2017, 09:15 PM
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Quote:
Originally Posted by VSrider View Post
Inch and a half (38mm) of slack at it's tightest point while on the center stand is what I've found to be the sweet spot.
Curious, when you have it at that sweet 38mm on the center stand - what does the slack become when you put it on the side stand ? I don't have a center stand and realize that you might never have bothered to do the side stand measurement. Like I said, curious. Thanks

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post #9 of 19 Old 07-04-2017, 08:53 PM
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Whether there is a difference between the center and side stand depends on whether, and how much, the suspension compresses on the side stand. I think my rear suspension is barely, if at all compressed on the side stand, so there wouldn't be much difference between the two. I adjusted mine today and on the center stand and it was about 1.25", but upright on both wheels (no rider) there was maybe 1/2" or less, so I readjusted to 1.5" on the center stand and was much more comfortable with the slack with the suspension slightly compressed.

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post #10 of 19 Old 07-04-2017, 09:30 PM
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Originally Posted by NVDucati View Post
Curious, when you have it at that sweet 38mm on the center stand - what does the slack become when you put it on the side stand ? I don't have a center stand and realize that you might never have bothered to do the side stand measurement. Like I said, curious. Thanks
Seems to be only about a quarter of an inch difference with the bike unloaded so inch and a quarter on the side stand. With luggage etc. that would change because the suspension would compress more.
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