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KLX140L gear noise

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This weekend was the first time we took the bike out and rode it for more than five minutes. After the bike got good and hot I noticed a very loud whining noise that appeared to come from the transmission. It happened in first and second gear intermentently. I know some gear noise is probably normal but this was louder than the bike was at full throttle. Any ideas?

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Could it be clutch related? If you've ever ridden an old FZR600, the thing makes a mega whining noise that emits from the clutch. The bike has a warranty-- I'd let the dealer take a look at it. I hope mine doesn't start any nonsense like that.... ---L*64

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Thats probably what I am going to do, although I have heard of others having the same problem

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Man,

Ours is doing the same thing..it seems to only do it in 5th gear. When I shift down to 4th, it stops. It is a 2009 and it probably has about 4 hours on the clock. Almost sounds like a bad bearing or a bearing starving for oil. Keep us posted and I'll do the same.

Russ

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If you are speaking of the VERY LOUD noise, then there is

quite a bit of info here on the subject. I, as well as several

others have had the same issue. The good news is that is

does stop doing it following several rides. The bad news is

that most of us have not had any luck in the dealership

being given authorization by Kawi to do any detailed investigation

of the noise. I took my sons new 2009 klx140l to the dealer

following our first 20 min ride, and having the noise happen.

The dealer had my sons NEW bike for several days. They said

they were unable to "recreate" the issue, and as a result Kawi

said to have the customer come get the bike and, quote,

"go enjoy it and quit worrying about it".

I threw a fit, made calls to Kawi customer service, met with

the owner of the dealership etc etc. The dealership, at

their own expense, drained the oil just to see if any shavings

etc were in it. There was not. I then took the bike home and

have since made several warm up, ride, and cool down

cycles, changed the oil again, and have not had the noise

repeat since.

I thought maybe it was a starter engaging. No, its not. The

starter will not engage once the bike starts. I thought it

was possibly clutch related. No again. Clutches are fine.

The only info I have to what may have been the issue, is

the conversation between the dealership service manager

and the Kawi support tech. The tech made one "general"

comment about the fact that "it may have just been a

bearing that was not properly lubed during assembly and

during initial riding corrects itself".

Not sure why the tech would make such a "generalized"

comment about such a "specific" issue, unless they are

aware of it and do not want to begin to pay for tear downs

of new bikes when they know the problem will resolve itself.

I have since disregarded the issue and my boy is enjoying

the new bike. I guess at the very least, I now have a

service report on the issue.

Good luck and I hope this info helps.

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Don't I remember that the bike has a "two stage clutch"? God only knows what that means in a mechanical sense... but its' supposed to make it a semi- auto clutch somehow. I'm wondering if that has anything to do with it. Like something centrifugal maybe? ---L*64

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One more thing... I think I may have heard that noise before, and I was thinking that it was the chain on the slider. It may go away after the slider wears in some. I remember having that problem on my KLX that has a BBR swinger. Cut the engine at like 50 MPH, and see if you still hear it. --L*64

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Actually Kawi has authorized a tear down to inspect the starter motor, I just haven't had the time to do it. I really hope this goes away after a couple of rides. I bought this bike to be a low maintenance bike that me and my wife can have fun on. I started the bike and pushed the starter button, and the sound was very similiar to what I heard while riding. And don't let it fool you, if there is a problem with this bike, Kawi knows about it.

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Actually Kawi has authorized a tear down to inspect the starter motor, I just haven't had the time to do it. I really hope this goes away after a couple of rides. I bought this bike to be a low maintenance bike that me and my wife can have fun on. I started the bike and pushed the starter button, and the sound was very similiar to what I heard while riding. And don't let it fool you, if there is a problem with this bike, Kawi knows about it.

Oh, I agree that they know about it. They just arent jumping

to let anyone know. I know for us, Kawi refused to do ANYTHING.

They said if the dealership could not get the bike to reproduce

the noise, then, basically, too bad.

Like I said, they didnt even pay the dealership for the oil change,

general inspection etc.

You may very well have a starter issue, but I really dont think

that was our issue. When the bike is running and I hit the

starter button, I can barely even here the electric motor

turning. It does not engage at all. I guess if for some reason

the starter IS engaging, then the sound would be very close.

I know for us, the noise was extrememly loud. I could hear

it underneath my helmet while riding my 250 with FMF

NON quit exhaust, and my son was on the 140 a fair

distance behind me. I stopped my bike and way yelling

"shut the motor off". I thought it was about to sieze up.

Anyway.....again, good luck. Whatever you find out be

sure and post up for the rest of us. I can assure you that

there are several others reading this and waiting to see

if you find something new out.

Later.

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Curious if anyone has any updates. My son's bike made the same loud noise on the initial ride. I had him stop and I took the bike for a spin, running it up through the gears and the noise would not repeat.

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Curious if anyone has any updates. My son's bike made the same loud noise on the initial ride. I had him stop and I took the bike for a spin, running it up through the gears and the noise would not repeat.

I did the same thing, only I had it repeat 2 more times during that

outing.

Only other news I have is that the bike has not done it since.

I have heard a couple other, much less loud, noises, but nothing

like the first outing. Just sucks to "worry" about what might

happen on the trail while my son is on a BRAND NEW KAWISUCKI.

Just pisses me off that I go and spend 3000 dollars on a new

bike to have that type fo noise issue. Then have Kawi act like

they know nothing about it and refuse to do anything about it.

I requested they check the starter as well....but no go.

After all this Im not sure I will buy another Kawi. I was looking to

possibly get a KX450, but I dont think I will. I will put my money

into Yamaha.

I hope Kawisaki reps are on here and read some of this BS their

customers are dealing with. I also hope they see that by their

lack of customer service they will drive some of us away. And

yes you read that correctly. I am not looking to leave Kawi

because of the issue, I am looking to take my business elsewhere

due to Kawis lack of customer service.:bonk:🤣:eek:

Good luck kawi in a declining economy, where less and less dollars

will be spent on "luxury" purchases, when you dont take care of

those of us who are still spending right now.:lame:

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Is your bike actually broken now, we have been with kawi for years, and never had an issue with any kind of warranty, you will often find its the dealer that gets things done for you, they handle all direct contact with kawi reps, we have a great dealer, rainbow cycle in rogers Ark, they have always taken care of our issues through kawi, and kawi has never failed once to handle a problem or concern we have had, we have a klx 140 and have never heard a noise as some of you have described, not to say its not happenin, and I would be sure to contact kawi direct about it.

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Is your bike actually broken now, we have been with kawi for years, and never had an issue with any kind of warranty, you will often find its the dealer that gets things done for you, they handle all direct contact with kawi reps, we have a great dealer, rainbow cycle in rogers Ark, they have always taken care of our issues through kawi, and kawi has never failed once to handle a problem or concern we have had, we have a klx 140 and have never heard a noise as some of you have described, not to say its not happenin, and I would be sure to contact kawi direct about it.

Ive contacted Kawi direct. The guy told me that he would show on their

computer system the approval for work, and to have the dealership

call in on their number. Then when the dealership called, they told him

that there was not going to be an approval and to just have me come

"pick up the bike and quit worrying about it". The guys over here in

Broken Arrow (just outside of Tulsa) at M&W are great and the last

quotes from Kawi is exactly what the dealership told me they said.

The dealership proceeded to do some work for free following another

call to Kawi at which point Kawi told the dealership that no approval

for work was going to be given. Im telling you, this bike made one

hell of a racket (screaming, grinding type noise) that should not have

been heard on a new bike. Just makes me wonder what damage may

have been caused internally with that level of noise. But Kawi will

not make any effort to investigate the issue at all. What makes me

even more aggravated is that they KNOW something is going on.

There cant be the numbers of questions on here about the same

thing, and kawi not be hearing about it themselves.

Whatever it is that caused this issue, I would agree it must not

be consistent since every bike is not doing it. But I also know

there is enough of this issue going around that kawi needs to

take a bit of responsibility and address the issue for their customers.

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There is no kickstarter on this bike. My son's bike only made the loud gear whine noise once. Everything's been fine since.

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I have not had any problems with our 140L and we beat it to death.

We have had the Engines Only 160 big bore kit in ours since day one, almost a year now i think and have just beat on this thing and it has been bulletproof.

I even shift it with out the clutch a lot of the time.

your noise i would bet came from either hitting the starter button with the motor running or maybe a bad starter gear return spring.

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I bought my wife an 09 140 a few months ago. I was aware of this issue from forum browsing and have been listening for it on my "test rides". I heard it once for about three seconds and haven't heard it since. Bike runs fine otherwise.

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Some one over here had the same issue but the noise did'nt go away.

Kawasaki (Thailand) changed the engine. Fixed.

They know about it for sure.

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I haven't heard the noise since the first ride, so as long as it doesn't resurface i'm happy. Great little bike to have fun on. Zadok, did the noise on yours go away?

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I haven't heard the noise since the first ride, so as long as it doesn't resurface i'm happy. Great little bike to have fun on. Zadok, did the noise on yours go away?

As of now the noise has NOT returned. I hope it doesnt. My son

has now ridden the bike quite a bit, so I would guess the noise

wont come back at this point. I continue to change the oil about

every other ride, and the filter every other oil change. So far

everything looks good. Still dont have any real good idea as to

what it was.

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