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550 clutch in 500

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gary123:
Loads of chatter across various forums on the internet about this, but can it be done. Has anyone on here done it ? I have everything I need except the pinion gear.
Biggest issue seems to be the shape of the case not making a seal, but I reckon I can sort that.
Before I buy a gear does anyone know if the gear and clutch will mesh correctly in 500 cases.

Trigger:
Why would you want to try. Different clutch, gear box, crank cases and engine cases  ;)

Oddjob:
Will they mesh, yes.

Tried to do it back in the 70s but as you say the cases are ever so slightly a different shape and all the oil would just run out.

I can see the attraction, the 500 clutch can be heavy if not set up right, so can the 550 TBH.

My 500 clutch was really really light, everything was well greased and set up perfectly, cable routed and oiled correctly, pivot on the lever greased etc.

I'm also looking at an hydraulic conversion to make it even lighter but it's still in the planning stage.

You need a 550 pinion gear let me know, I should have one.

gary123:

--- Quote from: Trigger on July 31, 2023, 11:10:26 PM ---Why would you want to try. Different clutch, gear box, crank cases and engine cases  ;)

--- End quote ---

Im missing some vital parts for the 500 but have everything I need for the 550. It also adds a bit of a challenge and as the bike will be far from standard it wont really matter.
If it doesn't work out can always go back.

gary123:

--- Quote from: Oddjob on August 01, 2023, 04:01:29 AM ---Will they mesh, yes.

Tried to do it back in the 70s but as you say the cases are ever so slightly a different shape and all the oil would just run out.

I can see the attraction, the 500 clutch can be heavy if not set up right, so can the 550 TBH.

My 500 clutch was really really light, everything was well greased and set up perfectly, cable routed and oiled correctly, pivot on the lever greased etc.

I'm also looking at an hydraulic conversion to make it even lighter but it's still in the planning stage.

You need a 550 pinion gear let me know, I should have one.

--- End quote ---


Think Ive sorted the case shape issue, Ill put a pic up later.

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