Hello to who ever reads this. As title above i have just fitted one of these clutches to my bike and though has any one used the 1 2 3 adjustment on these. I have just used number one and fitted the cover and before i fill up with new oil wondered about these adjustments. Having to drain the new oil and take off the cover and then have a chance of damaging the gasket for no gain is a no no  ergo why i thought  i would ask on here. Thank you. 

1 hour ago, larro said:

Hello to who ever reads this. As title above i have just fitted one of these clutches to my bike and though has any one used the 1 2 3 adjustment on these. I have just used number one and fitted the cover and before i fill up with new oil wondered about these adjustments. Having to drain the new oil and take off the cover and then have a chance of damaging the gasket for no gain is a no no  ergo why i thought  i would ask on here. Thank you. 

You can usually lean bikes on their side to work on the clutch without draining the oil

59 minutes ago, feetupfun said:

You can usually lean bikes on their side to work on the clutch without draining the oil

I've used that technique many times with conventional (wire spring) clutches. But I would not recommend it with the OSSA for two reasons.  1. There are 18 small, slippery screws that can easily be dropped.  2. A thrust washer at the end of the kick-start shaft that is likely to fall off when reinstalling the clutch cover with the bike is in that orientation.  In fact, I lean the bike in the opposite direction to ensure the washer stays put.

To the OP, the control ring number you select depends mostly on the thickness of your clutch pack.

https://www.ossa-efi.com/home/my-upgrades/clutch-control-ring

https://www.ossa-efi.com/home/engine/clutch

12 minutes ago, konrad said:

I've used that technique many times with conventional (wire spring) clutches. But I would not recommend it with the OSSA for two reasons.  1. There are 18 small, slippery screws that can easily be dropped.  2. A thrust washer at the end of the kick-start shaft that is likely to fall off when reinstalling the clutch cover with the bike is in that orientation.  In fact, I lean the bike in the opposite direction to ensure the washer stays put.

To the OP, the control ring number you select depends mostly on the thickness of your clutch pack.

https://www.ossa-efi.com/home/my-upgrades/clutch-control-ring

https://www.ossa-efi.com/home/engine/clutch

Yes Konrad i was going to say similar to you about the difference with the Ossa but you explained it much better. Regarding the control ring i have found the website from the said item manufacturer and it seems that the 1 2 3 adjustment is to take up the difference in clutch wear. That was through translation. Thank you for your input. Both of you.

Following on with clutch talk. Is it just trials bikes or just Ossa with clutch problems. The reason is that my Ossa has dragging on its clutch but my Suzuki 1000 road bike has no trouble and its has 27000 miles on it and i also had a KTM 300 EXC enduro which had two seasons of competition on it. Thanks.