M 620 ie wet clutch noise

Started by mr.freezer, May 23, 2013, 02:24:10 AM

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mr.freezer

Hello, I am new here and I am not a native speaker so maybe it will be difficult for me to explain my problem.. I've just bought ducati monster 620 ie 2003. As I know there is wet clutch. When I start it I hear a little noise from clutch. When I grab the clutch lever this noise stops. Is it normal wet clutch to be so noisy?? thanks a lot

stopintime

I don't know how noisy your "noisy" is, but yes it's normally easy to hear it - even if you have loud exhaust. It's the same thing that happens on bikes with a dry clutch, but less loud because it's closed and covered in oil.

It's very unlikely, but IF the noise is "too loud" (ask another wet clutch Duc owner or a dealer) it CAN indicate that the clutch gears are worn. I wouldn't worry about it - especially since the noise changes with clutch lever pulled - which is to be expected.
252,000 km/seventeen years - loving it

mr.freezer


stopintime

Yes, quite normal  ;)

Is it working well?
How many miles?
What kind of oil and how often do you change it?
252,000 km/seventeen years - loving it

mr.freezer

i've just bought it... it has 34000 km on tacho... i am going to oil change next week... i don't know what oil was used in it before.

stopintime

Reasons I asked are:

If it's very old, the gaps between teeth on plates and their notches in basket CAN become large enough to cause rattle. Probably/maybe not on a 34K bike...

If the oil is old/bad it will make more noise.

If it doesn't function well, the plates might be worn/warped = more noise, but then you'd probably have functional issues.

My third clutch lasted 40K km with semisynthetic 15/50 (could go with 20/50) after the first two clutches both quit at 25K km with synthetic 10/40.  This topic has many opinions.  If your bike is parked outside in freezing temperatures - maybe 10/40 is better.
252,000 km/seventeen years - loving it

mr.freezer

it is not parked outside in freezing temperatures. now it is around 15 °C and it is the temperature i start riding at. so you recommend semisynthetic 15/50?? i think there is even less noise with oil with higher viskosity..

ducpainter

Ducati recommends 10W/40 because of the plain bearing heads.

I'd stick with that.

If you can find a moto specific, or a non energy conserving oil (one with no friction modifiers) you'd be good to go.

I like synthetic moto specific because they seem to do better in transmissions.

Have you read our oil thread?
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mr.freezer

i 've started to read the oil thread but i got lost after a while...

kokis

Sorry for braking in your thread.
But I had similar problem on 696. I got new plates 20-50 Motul oil which i use for about 2k miles. And once on red light I heard loud noise that I never heard before. Just like at your video with difference that I have no noise at all at normal conditions. I turned off engine and gear seems to be stuck, and only after several attempts I've got it to neutral. What was it? Bad clutch pack installation?
I am not pro in tech questions, but as any rider have some experience that I can share without claiming to absolute truth. Please use my advices responsibly.

LowThudd

Shift fork return spring? Just a guess.

mr.freezer

#11
i've just found this video... and as i was watching it, there was a noise vere similar to mine clutch..... watch this video at 06:00... this is probably the thing that makes the noise in my clutch... 

kokis

Quote from: LowThudd on May 28, 2013, 10:38:34 AM
Shift fork return spring? Just a guess.

Hm, Gotta check. I have new rearset pegs or whatever it called. Thanks.
I am not pro in tech questions, but as any rider have some experience that I can share without claiming to absolute truth. Please use my advices responsibly.

memper

Quote from: mr.freezer on May 28, 2013, 12:00:46 PM
i've just found this video... and as i was watching it, there was a noise vere similar to mine clutch..... watch this video at 06:00... this is probably the thing that makes the noise in my clutch...
No vid...
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mr.freezer

oh sorry.. i've just edited it..