Valve clattering - 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 5 Old 07-02-2008, 02:22 PM Thread Starter
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Join Date: Oct 2007
Location: Clovis, CA
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Valve clattering

My bike has 7070 miles on it, and just a couple of days ago I noticed when starting from a complete stop there is a noise that sounds like valves clattering. I am wondering if this is a sign that the valves are out of adjustment. I haven't noticed it while riding even under a load, just when starting from a stop. Now, if I bring up the RPM's slightly there is no noise when starting out.
FYI valves were last checked by PO at 500 miles and were within limits.
Any input would appreciated.

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post #2 of 5 Old 07-02-2008, 09:57 PM
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Location: Richmond, Ky
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Should not be the valves. The valves get quieter on the KLR's with mileage. A quiet KLR is not a good thing. Slappy Valves are Happy Valves. Has the doo been changed? Have you been adjusting it with your oil changes?

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Looking to get back into KLR's sometime soon.

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post #3 of 5 Old 07-02-2008, 11:43 PM
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Try using high octane gas in it and see what it does.
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post #4 of 5 Old 07-03-2008, 08:36 AM
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Agree with trying higher octane gas.

Remember, we're dealing with "summer blend" gas now. Less energy per unit. Gas milage will probably drop 10% or so. I can really tell it in the hemi, not so much in the Dakota. Haven't been riding enough to tell --- bad back episode going on for a couple of weeks.
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post #5 of 5 Old 07-03-2008, 09:13 AM
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You might also have picked up some gas spiked with ethanol. I was driving in the midwest last month (Kan, Iowa, Minn) and found that some retailers are selling "regular" that contains some ethanol at regular prices (the regular ethanol blend, named "Super Unleaded" was 10 or 15 cents less but ran like crap). I'm pretty green, but ethanol is not the answer.

Sorry for using a post for this, but for some reason the site won't let me insert the above as an edit.

Last edited by BIGIRON; 07-03-2008 at 09:54 AM.
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