Almost There

[Uncle Frank]

Well I'm just about at the end of my current project - an XS650C with a rebuilt 256 engine. I don't know the history of the engine so I don't know which type or year of stator is fitted. I have replaced the brushes and brush holder with new ones from Geoffs XS here in Oz and I am using a solid state rectifier/regulator from XS650 Direct. The wiring is complete apart from the critical wiring of the stator to the rec/reg. The stator wires are green/black and I have them running into the rec/reg wires which are green/brown. Where I'm unsure is do I wire the green from the stator into the switched positive on the rec/reg as per post 1980 diagrams I have seen on this site or do I wire the black from the stator onto the earth wire. In either case I assume I will need to use the nylon screws on the inner brush?
Thanks in advance.

 

[jaybar6]

Well I'm just about at the end of my current project - an XS650C with a rebuilt 256 engine. I don't know the history of the engine so I don't know which type or year of stator is fitted. I have replaced the brushes and brush holder with new ones from Geoffs XS here in Oz and I am using a solid state rectifier/regulator from XS650 Direct. The wiring is complete apart from the critical wiring of the stator to the rec/reg. The stator wires are green/black and I have them running into the rec/reg wires which are green/brown. Where I'm unsure is do I wire the green from the stator into the switched positive on the rec/reg as per post 1980 diagrams I have seen on this site or do I wire the black from the stator onto the earth wire. In either case I assume I will need to use the nylon screws on the inner brush?
Thanks in advance. View attachment 342133View attachment 342134View attachment 342135

The green wire goes to the green wire. the brown wire goes to the brown wire. the black wire goes to the black wire.
The brown wire is the 12 volt power supply and is what the regulator is measuring. the green wire is to switch on or off the magnet on the generator. the black wire is the earth or ground.
Don't put the brown wire on the black wire, it will short out the power.

 

[5twins]

You'll need to make sure you bought the right kind of regulator for your system. There were two versions of the charging system used, an early one up through '79 and the later version from '80 on. The difference is in how the brushes are wired. The early system like yours grounded the inner brush full time and needs a regulator than feeds and controls power to the outer brush. The later system is kinda the opposite - the inner brush is powered all the time and a different type of regulator that feeds and controls a ground signal to the outer brush is needed. Details are here .....

https://www.xs650.com/threads/diy-reg-rec-5twins-and-jim.55842/

 

[Jan_P]

You'll need to make sure you bought the right kind of regulator for your system. There were two versions of the charging system used, an early one up through '79 and the later version from '80 on. The difference is in how the brushes are wired. The early system like yours grounded the inner brush full time and needs a regulator than feeds and controls power to the outer brush. The later system is kinda the opposite - the inner brush is powered all the time and a different type of regulator that feeds and controls a ground signal to the outer brush is needed. Details are here .....

https://www.xs650.com/threads/diy-reg-rec-5twins-and-jim.55842/

Yes Sir but I believe we in Europe and Oceania is One year later
I have 1980 -s With Points and older system charging Stock and ordered for that year model 1980 from China
Fried probably immediately the regulator inside Excellent help from the seller after

So please don't hook it up before sure

 

[Uncle Frank]

You'll need to make sure you bought the right kind of regulator for your system. There were two versions of the charging system used, an early one up through '79 and the later version from '80 on. The difference is in how the brushes are wired. The early system like yours grounded the inner brush full time and needs a regulator than feeds and controls power to the outer brush. The later system is kinda the opposite - the inner brush is powered all the time and a different type of regulator that feeds and controls a ground signal to the outer brush is needed. Details are here .....

https://www.xs650.com/threads/diy-reg-rec-5twins-and-jim.55842/

The people at XS650 Direct have assured me that this is the correct regulator for the earlier system.

 

[Uncle Frank]

You'll need to make sure you bought the right kind of regulator for your system. There were two versions of the charging system used, an early one up through '79 and the later version from '80 on. The difference is in how the brushes are wired. The early system like yours grounded the inner brush full time and needs a regulator than feeds and controls power to the outer brush. The later system is kinda the opposite - the inner brush is powered all the time and a different type of regulator that feeds and controls a ground signal to the outer brush is needed. Details are here .....

https://www.xs650.com/threads/diy-reg-rec-5twins-and-jim.55842/

So given that it is the earlier type regulator I should wire it up like this?

 

[5twins]

Yes, that looks correct. If that combined unit gives you problems, I highly recommend going the DIY route. It's much cheaper and very reliable.

 

[Uncle Frank]

Yes, that looks correct. If that combined unit gives you problems, I highly recommend going the DIY route. It's much cheaper and very reliable.

Thanks mate. Will I need to do the nylon screw mod as well?

 

[Jan_P]

Thanks mate. Will I need to do the nylon screw mod as well?

Not read Through
Provided the Right regulator for the older style Alternator I dont believe there is a need for Nylon in there

 

[5twins]

No, you won't need the nylon screw mod if your regulator is the correct power switching type (type B). You only do that when adapting a type A (ground switching) regulator for use on your older style system because it also involves rewiring the brushes and making the inner one "hot" all the time. If you didn't change it's mounting screws to nylon, it would simply short out.

 

[Uncle Frank]

No, you won't need the nylon screw mod if your regulator is the correct power switching type (type B). You only do that when adapting a type A (ground switching) regulator for use on your older style system because it also involves rewiring the brushes and making the inner one "hot" all the time. If you didn't change it's mounting screws to nylon, it would simply short out.

Cheers and beers 5twins.