Clutch refit problem.

Macflurry · 13-03-2019, 09:25 PM

Hi guys, I've followed the good old Haynes manual for a clutch refit. I've got to the point where I've done the six spring loaded bolts up and I can see that the last friction plate has enough space to move out of the basket and spin... I'm guessing that's bad...

All plates are in as per the manual ( 2x steel, 1x friction, 1x dished with dot on outside, alternating friction/steel, last plate being steel). 7 came out, 7 new ones went back in.

When I put the push rod in it didn't locate to the back easily and needed a bit of a tap to move all the way and the rod does activate with the clutch lever. The pressure plate is located with the marks in place and all screws done up.

I've removed the basket and replace the seal behind it today and then built everything back up. Has anyone else had this before as I'm not sure what would hold it further out?

Thanks,
Stu.

Macflurry · 13-03-2019, 09:37 PM

I also noticed I didn’t have the circlip (number 4) when it came apart/back together.

Flip · 13-03-2019, 09:42 PM

That’s the early dry clutched 750 motors’ set up not that of a 900

Macflurry · 13-03-2019, 09:45 PM

Ha, helps if I have the right page then...

Thank you.

The 900 section didn't actually have a diagram. But there's still a lot of slack for the plates.

Macflurry · 13-03-2019, 10:35 PM

Took the rod back out as that was fouling the pressure plate and it has dragged out a small spacer/seal from the slave side somewhere. I'll try and ID it on the Ducati parts pages and hope it can be refit easily...

Macflurry · 14-03-2019, 11:08 AM

Here’s the part it dragged out. When it came out it was between the two o-rings and you can just make out where it has carved a groove in the one on the right and that’s just from fitting it as these were new.

Macflurry · 14-03-2019, 11:12 AM

I thought it may be the part of the oil seal on the slave cylinder end but when it’s next to my spare seal they look different

Dukedesmo · 14-03-2019, 11:28 AM

Looks lke the oil seal from the clutch end of the shaft?

Macflurry · 14-03-2019, 11:28 AM

Maybe the centre of the bearing for number 20? When the rain eases up I’ll head out and take it apart again.

Dukedesmo · 14-03-2019, 11:32 AM

Look at the parts diagram for the gearbox, there’s a small bearing and oil seal in the end of the shaft.

Seal is cheap and easy fix, bearing is cheap but can be a pig to remove.

Macflurry · 14-03-2019, 11:52 AM

Quote:

Originally Posted by Dukedesmo

Look at the parts diagram for the gearbox, there’s a small bearing and oil seal in the end of the shaft.

Seal is cheap and easy fix, bearing is cheap but can be a pig to remove.

Ahhhh, sneaky, sneaky. Thank you!! I had visions of having to crack open the casing on my drive to get into this. Definitely wasn't looking forward to it. This looks a lot more promising.

Cheers!!

Dukedesmo · 14-03-2019, 12:24 PM

If it is the seal, make sure you fit it the right way round (lip facing outwards) otherwise it will leak oil into your clutch.

Don’t ask how I know...

Dukedesmo · 14-03-2019, 02:23 PM

Quote:

Originally Posted by Dukedesmo

If it is the seal, make sure you fit it the right way round (lip facing outwards) otherwise it will leak oil into your clutch.

Don’t ask how I know...

Should be lip facing inwards - Oops...

Probably why mine leaked.

Macflurry · 14-03-2019, 12:53 PM

Here’s what I’ve got. Flat side, left, and lip side, right. Does this look right to you?

Dukedesmo · 15-03-2019, 12:29 PM

Quote:

Originally Posted by Macflurry

Here’s what I’ve got. Flat side, left, and lip side, right. Does this look right to you?

I'm not sure it should have exposed steel showing through? Maybe it's rubbing against something?

Could be the little bearing in there has gone? they're cheap enough (can get from bearing suppliers in case Ducati want silly money) and they're easy to fit but can be tricky to remove.

I've changed a couple, one pulled out with not too much bother the other I had to cut through the cage with a dremel - whilst taking care not to damage the inside of the shaft.

13-03-2019, 09:25 PM	#1
Macflurry Registered User Join Date: Mar 2018 Location: Blakeney Bike: M900 Posts: 134	Clutch refit problem. Hi guys, I've followed the good old Haynes manual for a clutch refit. I've got to the point where I've done the six spring loaded bolts up and I can see that the last friction plate has enough space to move out of the basket and spin... I'm guessing that's bad... All plates are in as per the manual ( 2x steel, 1x friction, 1x dished with dot on outside, alternating friction/steel, last plate being steel). 7 came out, 7 new ones went back in. When I put the push rod in it didn't locate to the back easily and needed a bit of a tap to move all the way and the rod does activate with the clutch lever. The pressure plate is located with the marks in place and all screws done up. I've removed the basket and replace the seal behind it today and then built everything back up. Has anyone else had this before as I'm not sure what would hold it further out? Thanks, Stu.

13-03-2019, 09:42 PM	#3
Flip Registered User Join Date: Mar 2010 Location: Beachtown Bike: M900 Posts: 2,188	That’s the early dry clutched 750 motors’ set up not that of a 900 __________________ You're perfect, yes, it's true- But without me you're only you!

13-03-2019, 09:45 PM	#4
Macflurry Registered User Join Date: Mar 2018 Location: Blakeney Bike: M900 Posts: 134	Ha, helps if I have the right page then... Thank you. The 900 section didn't actually have a diagram. But there's still a lot of slack for the plates. Last edited by Macflurry; 13-03-2019 at 10:01 PM..

14-03-2019, 11:08 AM	#6
Macflurry Registered User Join Date: Mar 2018 Location: Blakeney Bike: M900 Posts: 134	Here’s the part it dragged out. When it came out it was between the two o-rings and you can just make out where it has carved a groove in the one on the right and that’s just from fitting it as these were new. Last edited by Macflurry; 14-03-2019 at 11:26 AM..

14-03-2019, 11:28 AM	#8
Dukedesmo Registered User Join Date: Sep 2010 Location: Leics Bike: M900 Posts: 2,898	Looks lke the oil seal from the clutch end of the shaft? __________________ M900, 916, LeMans II.

13-03-2019, 09:37 PM	#2
Macflurry Registered User Join Date: Mar 2018 Location: Blakeney Bike: M900 Posts: 134	I also noticed I didn’t have the circlip (number 4) when it came apart/back together.

13-03-2019, 10:35 PM	#5
Macflurry Registered User Join Date: Mar 2018 Location: Blakeney Bike: M900 Posts: 134	Took the rod back out as that was fouling the pressure plate and it has dragged out a small spacer/seal from the slave side somewhere. I'll try and ID it on the Ducati parts pages and hope it can be refit easily...

14-03-2019, 11:12 AM	#7
Macflurry Registered User Join Date: Mar 2018 Location: Blakeney Bike: M900 Posts: 134	I thought it may be the part of the oil seal on the slave cylinder end but when it’s next to my spare seal they look different

14-03-2019, 11:32 AM	#10
Dukedesmo Registered User Join Date: Sep 2010 Location: Leics Bike: M900 Posts: 2,898	Look at the parts diagram for the gearbox, there’s a small bearing and oil seal in the end of the shaft. Seal is cheap and easy fix, bearing is cheap but can be a pig to remove. __________________ M900, 916, LeMans II.

14-03-2019, 12:24 PM	#12
Dukedesmo Registered User Join Date: Sep 2010 Location: Leics Bike: M900 Posts: 2,898	If it is the seal, make sure you fit it the right way round (lip facing outwards) otherwise it will leak oil into your clutch. Don’t ask how I know... __________________ M900, 916, LeMans II.

14-03-2019, 12:53 PM	#14
Macflurry Registered User Join Date: Mar 2018 Location: Blakeney Bike: M900 Posts: 134	Here’s what I’ve got. Flat side, left, and lip side, right. Does this look right to you?