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Author Topic: I have some chain slap...  (Read 4087 times)
Le Pirate
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« on: June 09, 2008, 06:42:55 PM »

on take off or accelerating.

I'm pretty sure thats what it is, and my chain seems a little saggy?

is there any way to adjust it without a pit stand, cause I don't have one?
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jagstang
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« Reply #1 on: June 09, 2008, 07:19:28 PM »

my chain seems a little saggy?


That sounds like a personal problem.

Is your bike DSS or SSS?


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Augustus
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« Reply #2 on: June 09, 2008, 08:53:39 PM »

Not sure what model you have, but you don't need a pit stand for the s2r's, just loosen two nuts and use a special tool to tighten.  Oh, don't forget to torque the nuts back to spec.
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Speeddog
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« Reply #3 on: June 09, 2008, 10:34:59 PM »

Easier to do on a stand, but it's not mandatory.
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Le Pirate
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« Reply #4 on: June 10, 2008, 03:41:20 AM »

it's a DSS


03 m620



guess i should of included that tidbit of information in the first post cheeky
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johnster
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« Reply #5 on: June 10, 2008, 05:32:47 AM »

Obviously you want your chain tension adjusted properly, but avoiding driveline lash starts with smooth throttle control.  If your throttle off-to-on transition is too abrupt, you will get lash no matter how perfectly your chain is tensioned... It's just the nature of the bike (lots of engine braking + torque)..

-I like to practice this by letting the bike slow down via engine braking (usually in 2nd or 3rd gear), and veeeeery slowly crack the throttle open until you are acellerating again... If you are doing it right, you should feel little or no lash at all... Keeping your RPM's up helps too..

-Sorry about the threadjack, just throwing it out there.. Also, I adjusted my chain tension this weekend onthe sidestand w/no problems, just remember to measure the distance from the axle to the swingarm pivot on each side to verify the wheel is on straight..  Smiley
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scott_araujo
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« Reply #6 on: June 10, 2008, 06:34:52 AM »

http://www.calsci.com/motorcycleinfo/Chains.html

Scroll down to "Make your own rear tire stand".  Good for lubing the chain, passable for adjusting it. 

Or place a set of inexpensive car jackstands under the swingarm, one on each side.  Get one under and then rock the bike up and slip the other one under.

Scott
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erkishhorde
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« Reply #7 on: June 10, 2008, 02:12:51 PM »

I think my Haynes manual says to adjust chain slack while both wheels are on the floor. I push the bike forward before I check my tension to see what it is at the maximum tauntness. Then to adjust my sag I do it while the bike is on the floor as well so that I can measure while I adjust. Have I been doin' it wrong this whole time?
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« Reply #8 on: June 10, 2008, 08:13:20 PM »

I think my Haynes manual says to adjust chain slack while both wheels are on the floor. I push the bike forward before I check my tension to see what it is at the maximum tauntness. Then to adjust my sag I do it while the bike is on the floor as well so that I can measure while I adjust. Have I been doin' it wrong this whole time?

No, not the wrong way, but it is easier on a rear stand since the rear axle is higher and vertical.  The weight of the bike is still compressing the spring since the stand is under the swing arm.
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DuciD03
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« Reply #9 on: June 10, 2008, 09:24:12 PM »

I have a couple of observations / pointer from chain adjustments:  I have a dual sided swing arm or dss or a "biposto" which means the same thing in italian I beleive; (... it only swings right Smiley

you will find some areas of the chain "streched" so you have to find the point in the chain where its at its least slack point on the bottom; then loosen & adjust the chain.

better looser than too tight.

you need to grease the large axel nuts before torquing to the proper specification (you need a torque wrench to do this job; period).

the tension nuts at the end od the swing arm are good at tightening; but not loostening; watch when loosening; you may have to push in the axel or tension end bolts.  After final torquing of the axle bolts go back and put the proper torque on the tension nuts; I found one vibrated loose once.

Above someone mentioned to double check the rear wheel alignment points; also check after you have take the slack out of the axel nuts but haven't tightened; you may find things are aligned differently.

the whole jobs easier with a clean chain ....

Cheers D [moto]

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erik822
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« Reply #10 on: June 12, 2008, 06:46:08 AM »

According to the owners manual, you adjust the chain with the bike on the side stand. It's an easy, 5 minute job.

Using a rear stand helps with cleaning the chain, but you don't need one to tighten it.

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scott_araujo
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« Reply #11 on: June 13, 2008, 07:07:38 AM »

I have a couple of observations / pointer from chain adjustments:  I have a dual sided swing arm or dss or a "biposto" which means the same thing in italian I beleive; (... it only swings right :)xel nuts but haven't tightened; you may find things are aligned differently.

Just a note D, dss=dual sided swingarm but biposto means two seats.  Some Ducatis like the super sports can come in two configurations: one with a rider and passenger seat, "biposto", and one with a rider seat only and a fiberglass cowl over the rear end, "monoposto" if you will.  This is a fixed piece, not like a Monster cowl that can be removed.  If you look through some Ducati super sport threads you'll see many postings about converting one to the other and back.

Scott
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johnster
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« Reply #12 on: June 13, 2008, 07:32:58 AM »

I have a couple of observations / pointer from chain adjustments:  I have a dual sided swing arm or dss or a "biposto" which means the same thing in italian I beleive; (... it only swings right Smiley


That's  funny, I used to think the same thing when I first started learning about Ducatis when I was younger... cheeky

-Nope, it's 1 or 2 seats....monoposto=1, bip=2...
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2001 MS4; Full Termi w/airbox, ECU, SPS cams, CycleCat ClipOn Adapters, Apex clip-ons, CRG's, MW open clutch, Sargent Saddle, CF aplenty.. NOT RIDEABLE FOR A LONG TIME DUE TO MY STUPID LACK OF JUDGEMENT!!
DuciD03
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« Reply #13 on: June 15, 2008, 01:55:11 PM »

.... cheeky

I humbly stand corrected .... waytogo
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scott_araujo
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« Reply #14 on: June 15, 2008, 02:27:29 PM »

Dont feel bad, it took me months to figure out what "dss"meant Wink
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