Jerking Motion at 4K-5K rpm - Kawasaki Versys Forum
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post #1 of 15 (permalink) Old 06-30-2016, 12:52 PM Thread Starter
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Jerking Motion at 4K-5K rpm

Has anyone experience this? When I am cruising at 40-45 mph, just before shifting to the next gear starting at 4k rpm, the bike goes on slight jerking motion, then subsides after I shift. Then it repeats until I shift again.

This happens in the middle gears then quiets down at 6th. I have a 2013, 17.5K miles. I have not had a valve adjustment, haven't checked the air filter... I need to adjust the slack in my chain. Could these be contributing factors?

Any feedback is greatly appreciated.
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post #2 of 15 (permalink) Old 06-30-2016, 12:56 PM
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Quote:
Originally Posted by ESE_VERSYS2013 View Post
I have not had a valve adjustment, haven't checked the air filter... I need to adjust the slack in my chain.
Could these be contributing factors?
Yes!
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post #3 of 15 (permalink) Old 06-30-2016, 01:13 PM
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Could be a loose chain.
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post #4 of 15 (permalink) Old 06-30-2016, 02:11 PM
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Quote:
Originally Posted by ESE_VERSYS2013 View Post
I need to adjust the slack in my chain.
Quote:
Originally Posted by zirconx View Post
Could be a loose chain.

Really?
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post #5 of 15 (permalink) Old 06-30-2016, 02:13 PM
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Really?

Easy there..L
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post #6 of 15 (permalink) Old 06-30-2016, 02:34 PM
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Yup adjust your chain, and check your tension along the chain's length to see how many tight and loose sections you have. I just replaced my chain and sprockets for this exact reason, although at 26000km, (original chain) mine was WAY worse, but the exact description OP listed. Get ready to change your chain and sprockets together.
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post #7 of 15 (permalink) Old 07-07-2016, 02:08 PM
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New chain and probably sprockets and she will fee like ya got shaft drive.
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post #8 of 15 (permalink) Old 07-09-2016, 07:03 PM Thread Starter
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chain and sprockets.... fit or "unfit" my 2013 V?

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Originally Posted by unstable_rider View Post
New chain and probably sprockets and she will fee like ya got shaft drive.
Yes or No?
https://www.amazon.com/dp/B006O85UNE...I15EB14OOE4GSJ

https://www.amazon.com/dp/B004ZIV61U...I2OMUYI5BHJLUW

https://www.amazon.com/dp/B004ZIWM3G...I1P2JX432LIR9O

Clip Master Link or

Rivet:
https://www.amazon.com/dp/B006O85R3C...I1XJOIXUT1NJOG


Thanks again for your input.
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post #9 of 15 (permalink) Old 07-09-2016, 07:22 PM
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Looks like you are on the right track. Sometimes if you hunt around, there are package deals where they include the sprockets/chain together.

Not sure if this saves anything over what you posted (I have been drinking )

https://www.amazon.com/D-I-D-DKK-005.../dp/B00E0IK3LY

You asked about master link or rivet.... it's subject to opinion. I am fine using master clip-links on a 650. Others will have other opinions.

Do the rivet thing if you are comfortable with that.... or not..

Oh... lastly... some of us favor the rubber loaded front sprockets.... stock from Kawi. Others will say it don't matter.

Last edited by unstable_rider; 07-09-2016 at 08:43 PM.
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post #10 of 15 (permalink) Old 07-09-2016, 09:57 PM
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Search for snapped chain threads or Google it. Not something you want to experience.

My Versys Travels:


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post #11 of 15 (permalink) Old 07-09-2016, 10:56 PM
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Send a message via Skype™ to silviefox
ive never had any problem with my clip style master link
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post #12 of 15 (permalink) Old 07-10-2016, 09:45 AM
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I've run clipped links for nearly 35 years without incident...well one, I put the new chain together with link but forgot the clip. That didn't end well.

Cheers,

Charlie


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post #13 of 15 (permalink) Old 07-10-2016, 09:22 PM
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While you have it apart, go ahead and change your drive cushions behind the rear sprocket. They are not that expensive and will only compliment your chain and sprocket replacement.
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post #14 of 15 (permalink) Old 07-16-2016, 04:15 AM
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If your speedo read 2-3 digits up and down at constant speed (57-60), replace the chain due to sticky links. Jerking will be gone.
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post #15 of 15 (permalink) Old 07-19-2016, 10:00 AM Thread Starter
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Unhappy The jerking motion lives...

I adjusted the chain slack, moved the rear tire a notch back, aligned the chain with the motion pro guide... rotated the wheel, good slack in most places, but had a tight spot. took it out for a short test ride and it's still there and there was a grinding noise to boot.

So I ordered the did chain, front and rear sprockets (15-46 combo). Arriving at the end of the month. Wish me luck!
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