2001 sounds like a diesel at 26000 miles any thoughts - 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 32 Old 10-13-2014, 12:31 PM Thread Starter
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2001 sounds like a diesel at 26000 miles any thoughts

i have a 2001 650 with 26000 miles on it. lately the motor sounds like a vw diesel engine. any thoughts or suggestions on where i might start looking? anyone with a similar experience?
thanks in advance,
mike
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post #2 of 32 Old 10-13-2014, 09:41 PM
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Is it the motor making the noise or the exhaust. Sounds to me like you may have a "tweetied" muffler.

My Kaw Barn - 2004 KLR, 2006 Concours (sold), 1997 Bayou 400.

"It's a friggen motorcycle, it's not supposed to be comfortable, quiet or safe. The wind noise is supposed to hurt your ears, the seat should be hard and riding it should make you shit your pants every now and then. "

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post #3 of 32 Old 10-14-2014, 12:12 AM
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I'd also need more detail as to the quality of the sound and location.
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post #4 of 32 Old 10-14-2014, 11:02 AM Thread Starter
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i bought the bike from a lady in sacramento who bought it from a guy that said he thought the do had been done. i have had the bike about 3 years now and have had no major issues. i have always been curious to know if it really had been done. the bike started making some noise that sounded like a chain in a tin can so i decided to dig. i found that the doo had not been done and just recently changed the doo. noticed the spring and the top of the doo are mia. i dug and searched for these pieces for about 2 hours but could only come up with the hook of the spring. i saw metal flakes in the oil filter. i am not sure if the metal flakes are from the doo parts or are from some other serious issue. some other threads say this is not good. i started the bike on sunday and it sounded alright but when i went for a short ride it makes a deep knocking noise that sounds like a diesel motor. i hear it mostly when i let off the throttle. the bike has some vibration to it that i think is excessive. i am going to pull the valve cover to see if there is anything obvious. i will look into the abyss to see if the spring is in there. maybe look into the cylinder to see what i can see. maybe a connecting rod bearing is bad or the rings are bad. i am not sure how to check to see if it is a tweeted exhaust. just not sure what the prognosis is right now and wondering if anyone had similar experiences. expecting the worst but hoping for the best.
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post #5 of 32 Old 10-14-2014, 11:05 AM Thread Starter
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the power is still there and the bike is not sluggish in any way. rides like normal but sounds terrible.
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post #6 of 32 Old 10-14-2014, 09:57 PM
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Spring pieces are usually in the oil pump pick-up screen. No harm in pulling the valve cover but would be pulling the left side covers for a good look.

Wishing you luck. There have been reports of the rear balancer shaft bearing failing and possible, I suppose that some debris got into there. I would be checking that possibility before running the engine further.
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post #7 of 32 Old 10-14-2014, 10:35 PM
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Read this thread and any threads referenced in it, and then investigate.

Tom

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post #8 of 32 Old 10-15-2014, 11:46 AM
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Just noticed that you recently did the doohickey.

You're going to have to go back in to check that balancer bearing - the rotor needs to come off again so that you can get the inner case off.

Not a real big deal, just a pain the gazitz.

You might want to look under the valve cover, though, to be sure that nothing is amiss with the cams, cam caps, or the KACR. It's easier to get to and you need to check it off the list anyway. Set the crankshaft to the lazy T and check that the cam timing is correct. That will pretty much insure that the chain didn't jump a tooth or two. Check the torque on the cam caps. Look at the inside of the valve cover for scoring and shredding from the KACR. Inspect the KACR for broken or missing spring and integrity of the rivet that holds the whole misbegotten mess together.

You need to find the source of the aluminum shavings; don't run it until you do.

Tom

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“On the way downtown I stopped at a bar and had a couple of double Scotches. They didn't do me any good. All they did was make me think of Silver-Wig, and I never saw her again.” -Philip Marlowe

“'Why' and 'How' are words so important they cannot be too often used.” -Napoleon Bonaparte

Sting like a butterfly.
Noli Timere Messorem

Last edited by Tom Schmitz; 10-15-2014 at 11:52 AM.
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post #9 of 32 Old 10-15-2014, 12:04 PM
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Tom posted: "Not a real big deal, just a pain the gazitz."

I feel the need to point out that Tom is incorrect in this instance. The use of a gazitz was discontinued in the change from KLR600 to KLR650, although it's possible that someone did a retrofit. If your gazitz is uncomfortable, perhaps it's because you're taking too much time in pulling your snorkel. There as a lot of that going around a while ago.

Running for cover. ;-)

Norm


P.S. I wonder if the occurrence of rear idler shaft bearing failures will increase as these bikes age? Thoughts?

It might follow that the probability of a failure must increase with bearing life although whether the increase will be significant is a difficult speculation.



Quote:
Originally Posted by Tom Schmitz View Post
Just noticed that you recently did the doohickey.

You're going to have to go back in to check that balancer bearing - the rotor needs to come off again so that you can get the inner case off.

Not a real big deal, just a pain the gazitz.

You might want to look under the valve cover, though, to be sure that nothing is amiss with the cams, cam caps, or the KACR. It's easier to get to and you need to check it off the list anyway. Set the crankshaft to the lazy T and check that the cam timing is correct. That will pretty much insure that the chain didn't jump a tooth or two. Check the torque on the cam caps. Look at the inside of the valve cover for scoring and shredding from the KACR. Inspect the KACR for broken or missing spring and integrity of the rivet that holds the whole misbegotten mess together.

You need to find the source of the aluminum shavings; don't run it until you do.

Tom
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post #10 of 32 Old 10-15-2014, 01:09 PM
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Norm is correct. The gazitz has been replaced by a tuchus. Oy vez mear, I'm not meshuggina, just bissela fertummelt is all.

And, to a hammer, everything looks like a nail.

tom

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“On the way downtown I stopped at a bar and had a couple of double Scotches. They didn't do me any good. All they did was make me think of Silver-Wig, and I never saw her again.” -Philip Marlowe

“'Why' and 'How' are words so important they cannot be too often used.” -Napoleon Bonaparte

Sting like a butterfly.
Noli Timere Messorem
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