Knocking - Kawasaki KLR 650 Forum
2008+ KLR650 Wrenching & Mod Questions For repair, maintaining or modifying discussions related to the newly updated 2008 and beyond, Generation 2 KLR650 Motorcycle.

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post #1 of 12 Old 11-07-2013, 12:46 PM Thread Starter
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Knocking

My girlfriends 2011 KLR has a knocking from the Doo Hick area on idle around 1000/1100 rpm. It goes when the revs are raised. The bike has done 20,000 easy miles and has been looked after. The Doo Hick hasn't been done but I'm planning on doing it soon. Could the knocking be related a loose Doo Hick spring ???
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post #2 of 12 Old 11-07-2013, 12:48 PM
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yes, get that done for sure.

Never ride faster than your angels can fly
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post #3 of 12 Old 11-07-2013, 02:07 PM
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Originally Posted by UKbri View Post
Could the knocking be related a loose Doo Hick spring ???
Just asking . . . ever ADJUST the balancer chain tension?

As in, remove plug, loosen 8 mm doohickey tension bolt, tighten 8 mm doohickey tension bolt, restore plug?

This maintenance procedure (in Owner's Manual) might eliminate the "knock;" if not--you might check balancer chain spring tension.
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post #4 of 12 Old 11-07-2013, 03:41 PM Thread Starter
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Quote:
Originally Posted by Damocles View Post
Just asking . . . ever ADJUST the balancer chain tension?
As in, remove plug, loosen 8 mm doohickey tension bolt, tighten 8 mm doohickey tension bolt, restore plug?
This maintenance procedure (in Owner's Manual) might eliminate the "knock;" if not--you might check balancer chain spring tension.
Nope never done it. I thought the Gen 2 had slack/too long springs so would adjusting it make any difference ?
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post #5 of 12 Old 11-07-2013, 03:55 PM
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book says every 7500 miles adjust
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post #6 of 12 Old 11-07-2013, 05:39 PM
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Nope never done it. I thought the Gen 2 had slack/too long springs so would adjusting it make any difference ?
Worth a shot, IMHO!

Will take maybe 5 minutes total.

I think a statistical chance may exist your girlfriend's bike's balancer chain tension spring actually has some tension. Maybe, just maybe; following the adjustment procedure will solve the instant problem (eliminate/reduce "knock").

If not, you're no worse off than when you began the adjustment procedure.

Go on. CHANCE it!
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post #7 of 12 Old 11-07-2013, 06:02 PM
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Quote:
Originally Posted by UKbri View Post
Nope never done it. I thought the Gen 2 had slack/too long springs so would adjusting it make any difference ?
Maybe not, but it's easy enough to try. Don't loosen it too far, and it only has to be tightened enough to hold (I have 6 ft-lbs written down in my manual, but I tend to just use small wrench and snug it.)
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post #8 of 12 Old 11-07-2013, 07:07 PM
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I loosen about 1/4 turn, then I smack the bottom of the case with a rubber mallet a few times, then tighten to 69 inch pounds, yes inch pounds, do not over tighten.
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post #9 of 12 Old 11-07-2013, 07:58 PM Thread Starter
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Thanks for the tips guys. I didn't know you could do an external adjust on the KLR (It's not my bike). I went to do the adjustment and found the bolt to be loose !!! Lucky it didn't fall out. Gave it a few taps, locked it up and hey presto the knocking has gone. Will adjust again in a day or so just to make sure it's settled in. Double happy

You can follow our adventures on ww.sturgischick.com OR ww.onepistononeworld.com
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post #10 of 12 Old 11-07-2013, 08:18 PM
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Quote:
Originally Posted by UKbri View Post
Thanks for the tips guys. I didn't know you could do an external adjust on the KLR (It's not my bike). I went to do the adjustment and found the bolt to be loose !!! Lucky it didn't fall out. Gave it a few taps, locked it up and hey presto the knocking has gone. Will adjust again in a day or so just to make sure it's settled in. Double happy
Excellent! I love easy solutions. Having all that loose could certainly cause a noise or two.

As far as I know, virtually all doohickey springs aren't tight enough on the gen2s, like you said. If I had a gen2, I'd likely change it out. (Changed it out on my gen1 with much help--thanks tech day guys!)
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