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brush holder question

Started by axldk6, May 20, 2026, 02:08:00 PM

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axldk6

is there supposed to be isolation spacers any where for the brush holders ? left side or right side, does the wires from brushes touch wires to the green/leftside  and orange/rightside, and then bolt directly to the stator cover through the holder? trying to diagnose charging issues. TIA,
been wrenching for many years, still need help some times
1974 RD 350A ( full project bike)
2002 Kawasaki  ZRX 1200R  ( 99% complete)

axldk6

So nobody knows? can somebody take a pic from the top side and front. I have tried to look up old micro fich but all the pics are sketchy . John@ economy sent me a pic but it was a front view and still can't really tell. 
been wrenching for many years, still need help some times
1974 RD 350A ( full project bike)
2002 Kawasaki  ZRX 1200R  ( 99% complete)

m in sc


so-cal-sdr200

Does this help?

BlueR32

I'm very interested in this topic as I also have charging issues. On a previous post of mine I found that the green wire had a bare patch and was shorting:
https://www.2strokeworld.net/forum/index.php?topic=7029.msg57821#msg57821
So I joined the green and black wires directly together, bypassing the whole phenolic washer arrangement.

m in sc

^ and thats ok as well, it will work fine. ive done that in the past as well

axldk6

ok, thanks for the help. Man, I was getting to the point of thinking about just selling , seems every time I fix one thing some thing else goes bad.it was charging 3 weeks ago,( after new battery and a Ricks reg/rec.) about had my carbs dialed in , sat for 3 weeks then the dreaded no charge AGAIN! going to put new brushes in then go from there. :rolleyes:   
been wrenching for many years, still need help some times
1974 RD 350A ( full project bike)
2002 Kawasaki  ZRX 1200R  ( 99% complete)

axldk6

Soooo, to recap on this. The other 74 I sold , caught up to that owner ( and yes his is charging) and pulled the points cover and wham! The correct way to stack the positive brush holder /screw. :whistle:
been wrenching for many years, still need help some times
1974 RD 350A ( full project bike)
2002 Kawasaki  ZRX 1200R  ( 99% complete)

m in sc

i dont have a remotely close ro stock charging system on any of my rds or I would of taken a pic

axldk6

That's cool Mark, the last check I need to do is output of the stator wires . Do I put the meter leads one on a wire and the other on the battery ground to see if I am getting 30-40 VAC per wire? 
been wrenching for many years, still need help some times
1974 RD 350A ( full project bike)
2002 Kawasaki  ZRX 1200R  ( 99% complete)

m in sc

che k each white lead to earth, dont rev ober 2k, unplugged from regulator