KLR 650 Knocking at Idle to 3100 rpm - Kawasaki KLR 650 Forum
1987 to 2007 Wrenching & Mods For maintaining, repair or modifications of Generation 1 KLR's. 2007 and earlier.

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post #1 of 15 Old 05-03-2006, 05:56 PM Thread Starter
 
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KLR 650 Knocking at Idle to 3100 rpm

Just woundering, does anyone view or visit this forum? My KLR has a knocking noise from Idle to just about 3100 rpm. Could this be caused by the CDI unit or KACR unit? After reaching 3100 rpm the engine smooths out and runs like a bat out of heck.
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post #2 of 15 Old 05-03-2006, 10:19 PM
 
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The forum is here in case anyone wants to stop in and ask a question, I have so many other site that I have not had a chance to promote this one yet, but it will improve once I take the time to advertise it properly.

For the knocking, I'd be sure and check the oil level, I had a bike in here that was half a quart low and knocked terribley, but then with a full oil tank the knock disappered.
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post #3 of 15 Old 09-27-2006, 01:20 PM
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Hey Deacon,

Mine does that too. I've just acecpted it.
Dont know why it happens. and Havnt tried to figure it out.

This Place will get more active soon . and I'm sure others may have a better answer. (for us both)
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post #4 of 15 Old 09-27-2006, 01:54 PM
 
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Mine doesn't knock, but it has a "ticking" sound to it. Oil is full. The ticking sound is much more noticable one I put on a Moose Skidplate.
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post #5 of 15 Old 09-27-2006, 02:00 PM
 
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For Ticking: Take off your valve cover and check to see if your KACR is scraping the underside of the cover.

(Be super careful when putting the cover back on... if you do not head the in.lbs. in the manual, you will crack it.)
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post #6 of 15 Old 09-28-2006, 06:08 AM
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The KACR should kick out at 1000-1200 rpms.
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post #7 of 15 Old 09-28-2006, 08:47 AM
 
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Ticking and/or knocking is a normal condition in a single cylinder engine within boundaries.

Things to check; camchain tension, valve adjustment, balancer chain tension.

It could be top end carbon also. Treat the fuel with some Seafoam and ride a tank through it. Amazingly effective stuff.
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post #8 of 15 Old 09-30-2006, 05:35 PM
 
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I guess it's normal.

Mine has a little knock also. From just off idle to about 1800 rpm. I've quit worring about it though. The thing runs like a top.
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post #9 of 15 Old 09-30-2006, 08:47 PM
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this sound awefully familar

Steve - Tazmanian Devil
00 KLR
PTB - FTM - KTF
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post #10 of 15 Old 09-30-2006, 10:45 PM
 
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Knocking or ticking? If you lug the KLR it will knock in any gear, no harm though. If its ticking it could be anything from valves, to oil?

Its a 100mm piston! any cannon that size should knock. Plus it has a steel liner instead of plated, so your clearances has to be larger.
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