'86 Royale shorted battery

[Terry NB]

  On 7/13/2021 at 12:11 PM, Marcarl said:

http://jbmindustries.com/Yamaha650.html

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Same size for 650cc and 1300cc?

[Patch]

Hmm so just the diaphragms?

[Marcarl]

  On 7/13/2021 at 1:37 PM, Terry NB said:

Same size for 650cc and 1300cc?

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You'll have to check the site for size and type. They also have the slides I think. Just a suggestion, my experience is that they work well.

[Patch]

Given the age I don't doubt they may need replacing.

However, if the slides don't need replacing and the needles are true? How can the cup be the cause? I don't remember reading vacuum leads in the thread.

Take a picture and post it or x 4

Note from which carb they come from

[Terry NB]

  On 7/13/2021 at 4:12 PM, Patch said:

Given the age I don't doubt they may need replacing.

However, if the slides don't need replacing and the needles are true? How can the cup be the cause? I don't remember reading vacuum leads in the thread.

Take a picture and post it or x 4

Note from which carb they come from

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Needs complete carburetor  diaphragm assemblies (diaphragm and slides)

[Patch]

if that be the case it will need jets too. I consult the Diamond guy perhaps someone can post a link

[Patch]

I found the link, well worth discussing this over with Mike.

@eusa1 

[Terry NB]

Well the bike is in the shop.

Has 4 new new diaphragms

I purchased a used CDI from a person in the Forums and ends up it is not a fully functioning CDI.

I will bring the original CDI to the bike shop for them to try.

They state that it is the Grey Wire from the CDI/EMU that is the issue, as when they change cylinders, the trouble follows the wire.