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Old 04-21-2009, 12:33 AM   #1
destrillt
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Chain jerks when accel or deccel. How do I tighten it?

Is it normal for it to feel like the chain is jerking everytime i let off throttle or give it throttle?

My other bike didn't feel like this, atleast this extreme.

How does the chain tightener on the swingarm work? Never tightened my chain before really, never had any problems with it.

Last edited by destrillt; 04-21-2009 at 12:39 AM.
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Old 04-21-2009, 12:35 AM   #2
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Re: Chain jerks when accel or deccel. How do I tighten it?

+1 help some noobs ppl
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Old 04-21-2009, 12:38 AM   #3
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Re: Chain jerks when accel or deccel. How do I tighten it?

If your not going to help don't post
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Old 04-21-2009, 12:41 AM   #4
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Re: Chain jerks when accel or deccel. How do I tighten it?

put your bike on a rear stand. check to see if the chain is still in good condition by spinning the rear wheel. if there are tight spots and loose spots in your chain, you might need a new one.
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Old 04-21-2009, 12:44 AM   #5
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Re: Chain jerks when accel or deccel. How do I tighten it?

ok..well its supposed to be loose to where you can feel it jerking around and if it is that loose you def need to adj and if u dont have a rear stand you might want to investg in one.... but its simple loosen the axle nut loosen both ten mill nuts on iether side of swing arm with a twelve mill turn the adjusting nuts to tighten or loosen which ever u prefer to do and re tighten the lockin nuts ten mill.... once u tighten the chain u should have 1.5 to 2in of play (slack up-down) on the chain too tight will damage chain and cause pre mature wear....make sure u adj chain evenly so that u dont leave rear wheel crooked...
if u think ur not able to do this task have a pro do it....
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Old 04-21-2009, 01:21 AM   #6
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Re: Chain jerks when accel or deccel. How do I tighten it?

hmm. I feel it jerk when i accel and decel, not sure if its too much or not =/

I know my chain is in very good condition and is the sprockets.


hmmm I'd like to tighten it a little.

I just don't get how these "bolt" works..

Any photos or something?

It seems like their is only one "nut" that u can loosen or tighten, When you loosen or tighten that nut is it tighten/loosen the chain?

Or do you loosen it, then adjust , then tighten it? Seems like theres only one nut that can be tightened or loosened
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Old 04-21-2009, 01:24 AM   #7
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Re: Chain jerks when accel or deccel. How do I tighten it?

Quote:
Originally Posted by destrillt View Post
If your not going to help don't post
quit being a douchebag...he simply stated he needs help on the subject too. How about you take your shit to the search bar or find a service manual instead of posting stupid ass threads all the fucking time.
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Old 04-21-2009, 02:23 AM   #8
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Re: Chain jerks when accel or deccel. How do I tighten it?

Ok after loosening your axle nut you want to loosen your chain tensioner lock nut its a 12mm then slowly tighten the smaller one which is a 10mm . do that to both sides and match it up to the notches they have to make sure your wheel is straight then tighten up the 12mm lock nut on both sides and your axle nut back up. Also you want your chain to have some play inch in a half to two inches.

Make sure there are no loose and tight spots and always clean and lube your chain with o-ring safe lube.






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Old 04-21-2009, 07:20 AM   #9
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Re: Chain jerks when accel or deccel. How do I tighten it?

Quote:
Originally Posted by destrillt View Post
If your not going to help don't post
Sounds like he was asking for some help for himself as well.
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Old 04-21-2009, 07:57 AM   #10
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Re: Chain jerks when accel or deccel. How do I tighten it?

Quote:
Originally Posted by buddy179 View Post
quit being a douchebag...he simply stated he needs help on the subject too. How about you take your shit to the search bar or find a service manual instead of posting stupid ass threads all the fucking time.
+1. Read your manual instead of relying on others to take the time to explain things to you.
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Old 04-21-2009, 09:37 AM   #11
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Re: Chain jerks when accel or deccel. How do I tighten it?

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Old 04-21-2009, 09:51 AM   #12
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Re: Chain jerks when accel or deccel. How do I tighten it?

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Originally Posted by i never sleep View Post
+1. Read your manual instead of relying on others to take the time to explain things to you.
and adjust your chaing using the kickstand and not on a bike stand.
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Old 04-21-2009, 10:20 AM   #13
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Re: Chain jerks when accel or deccel. How do I tighten it?

This really doesnt sound like a loose chain issue to me. It sounds like the notorious "herky jerky" issue to me.

To the OP:

Does it do this everytime?
Does it do it in lower gears and then fade away or become less noticable in the higher gears and higher RPMs?
How loose is your chain?
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Old 04-21-2009, 11:35 AM   #14
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Re: Chain jerks when accel or deccel. How do I tighten it?

It seems to do it whenever I shift without very lightly easing the clutch off..

It does it in all gears when the speed of the engine is not exact with the wheel


The chain is not super tight, I think its a little loose .. I even had a biker comment I need to loosen my chain like yours.. It has a slight droop in the middle. I think ill tighten it like two notches and see if it fixes the problem..


What is the herky jerky issue
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Old 04-21-2009, 11:41 AM   #15
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Re: Chain jerks when accel or deccel. How do I tighten it?

Quote:
Originally Posted by cuinhel View Post
This really doesnt sound like a loose chain issue to me. It sounds like the notorious "herky jerky" issue to me.

To the OP:

Does it do this everytime?
Does it do it in lower gears and then fade away or become less noticable in the higher gears and higher RPMs?
How loose is your chain?
+1

Do a search on "herky jerky" and see if you recognize the symptoms.
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Old 04-21-2009, 11:59 AM   #16
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Re: Chain jerks when accel or deccel. How do I tighten it?

Quote:
Originally Posted by destrillt View Post
I think ill tighten it like two notches and see if it fixes the problem..
on the swingarm?
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Old 04-21-2009, 12:26 PM   #17
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Re: Chain jerks when accel or deccel. How do I tighten it?

Is it definitely coming from the chain? could be head bearings or something if it is just a crude jerk when the power is delivered. I could be wrong but its worth a look.
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Old 04-21-2009, 01:05 PM   #18
destrillt
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Re: Chain jerks when accel or deccel. How do I tighten it?

Its sounds kind of like the herky jerky issue, in corners when i let off the throttle completely it jerks a little... but its not anything with the engine. The engine never runs bad or anything like some of the people in the herky jerky thread are saying.

So I don't think its the TPS, I think its the chain , I can feel it. Its the chain grabbing , seems like the slack is whats doing it.

i think ill tighten the chain a little and see what that does

Last edited by destrillt; 04-21-2009 at 01:07 PM.
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Old 04-21-2009, 01:15 PM   #19
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Re: Chain jerks when accel or deccel. How do I tighten it?

be more smooth with the throttle.
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Old 04-21-2009, 01:24 PM   #20
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Re: Chain jerks when accel or deccel. How do I tighten it?

Quote:
Originally Posted by destrillt View Post
It seems to do it whenever I shift without very lightly easing the clutch off..

It does it in all gears when the speed of the engine is not exact with the wheel

sounds like you need to learn how to ride..
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