Lightech Chain Adjusters Sloppy? Crooked Axle and Funky Sprocket Wear Pattern - Page 2 - BMW S1000RR Forums: BMW Sportbike Forum
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post #11 of 16 (permalink) Old 08-19-2019, 09:21 AM
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There is play front to rear with most adjusters so when tightening axle you need to apply forward leverage on wheel (same way chain wants to pull on wheel towards motor) to make sure it sits hard against both adjuster stops. I find with my S1000RR the swingarm pulls in allot before it starts to clamp axle spacers/wheel so need to keep forward pressure on wheel until there is some clamping force so nothing moves before I properly torque the axle. You also need to make sure the Lightech adjusters installed correctly within swingarm channel. It might be an idea to check rear wheel alinement is correct with the alinement marks on Lightech adjusters.
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post #12 of 16 (permalink) Old 08-19-2019, 01:30 PM
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Quote:
Originally Posted by zRoYz View Post
There is play front to rear with most adjusters so when tightening axle you need to apply forward leverage on wheel (same way chain wants to pull on wheel towards motor) to make sure it sits hard against both adjuster stops. I find with my S1000RR the swingarm pulls in allot before it starts to clamp axle spacers/wheel so need to keep forward pressure on wheel until there is some clamping force so nothing moves before I properly torque the axle. You also need to make sure the Lightech adjusters installed correctly within swingarm channel. It might be an idea to check rear wheel alinement is correct with the alinement marks on Lightech adjusters.
On my previous bike (TL1000R), I swapped the axle and blocks so that it inserted from the gear shift side of the rear wheel. This way, when tightening the axle nut, the applied torque would push towards the adjusting screws in the swingarm rather than away from them and increasing the chain tension.

Can I do this on the S1000RR without screwing something up? Sure would make it easier to properly adjust chain tension.

Last edited by Baron Samedi; 08-19-2019 at 02:41 PM. Reason: Because I'm an idiot sometimes. I'd like the axle to insert from the gear shift side.
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post #13 of 16 (permalink) Old 08-19-2019, 04:23 PM
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An easy way is to stick a round screwdriver between the chain and the sprocket, and roll it up on the sprocket...that will tighten the chain and pull the wheel forward...then torque the axle...much easier than trying to push it forward...

A good idea might be to also check your distance independently of the adjusters to see if they are working correctly...
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post #14 of 16 (permalink) Old 08-19-2019, 09:07 PM
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I have a set of Lightecs on my XR and also have a chinese knock-off set ($50) my R:
1) there is definitely a quality difference
2) the lightecs have no movement in them
3) whilst the Chinese knockoffs have 3-5mm play

I just swapped the sets over to the opposite bike and the results are the same. The Lightecs are rock solid, Chinese have 3-5mm play.
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post #15 of 16 (permalink) Old 08-20-2019, 01:20 AM Thread Starter
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Originally Posted by zRoYz View Post
There is play front to rear with most adjusters so when tightening axle you need to apply forward leverage on wheel (same way chain wants to pull on wheel towards motor) to make sure it sits hard against both adjuster stops. I find with my S1000RR the swingarm pulls in allot before it starts to clamp axle spacers/wheel so need to keep forward pressure on wheel until there is some clamping force so nothing moves before I properly torque the axle. You also need to make sure the Lightech adjusters installed correctly within swingarm channel. It might be an idea to check rear wheel alinement is correct with the alinement marks on Lightech adjusters.
Quote:
Originally Posted by Baron Samedi View Post
On my previous bike (TL1000R), I swapped the axle and blocks so that it inserted from the gear shift side of the rear wheel. This way, when tightening the axle nut, the applied torque would push towards the adjusting screws in the swingarm rather than away from them and increasing the chain tension.

Can I do this on the S1000RR without screwing something up? Sure would make it easier to properly adjust chain tension.
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Originally Posted by skydivr View Post
An easy way is to stick a round screwdriver between the chain and the sprocket, and roll it up on the sprocket...that will tighten the chain and pull the wheel forward...then torque the axle...much easier than trying to push it forward...

A good idea might be to also check your distance independently of the adjusters to see if they are working correctly...
I did jam it with a screw driver to eat up the slack before I tighten the nut last time. I just wonder did I jam it hard enough to eat up the slack, or the axle nut got loose and couldn't hold alignment.

I would love to try that flip the axle thing, but with the chain adjuster in place that's not something I can do
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post #16 of 16 (permalink) Old 08-20-2019, 01:25 AM Thread Starter
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Originally Posted by SimonUK View Post
I have a set of Lightecs on my XR and also have a chinese knock-off set ($50) my R:
1) there is definitely a quality difference
2) the lightecs have no movement in them
3) whilst the Chinese knockoffs have 3-5mm play

I just swapped the sets over to the opposite bike and the results are the same. The Lightecs are rock solid, Chinese have 3-5mm play.

I purchase these chain adjusters brand new from Revzilla, I tend to think Revzilla is not an outfit that sells counterfeits. With no axle in place there is a slight slop that allows the axle block on the Lightech adjuster to move back and forth though. With the axle lock in place by the axle nuts of course there will be no slop to be felt..
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