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Just gotta say: I LOVE THESE EARLY YAMAHA 650 TWINS! BEST BIKES EVER! Having sorted everything out last week, yesterday, the weather was gorgeous (clear & in the lower 70s), so I took her out into the mountains and fell in love all over again. Easily, the best investment I've ever made. Thanks...

Update: Non-flashing flasher due to broken wire between headlight bucket and flasher assembly. Fixed. Thanks again, All!

Standard OEM 1156. Were it not for the steady-ON tach indicator, I wouldn't fret. So I thought it best to ask before I lose the rest of the weekend. I'll try to swap or replace the bulb tomorrow. Many thanks!

Turns out there's an addendum to this story (it's always something :confused:)... Tonight, I took the bike out for the first time since getting it back from the shop. The left-hand flasher/turn signal isn't working—the rear flasher stays ON, as does the yellow indicator in the tach, but the...

Final Update: Just got the bike back from the shop and the charging problem's gone. Not definitively solved, just not a problem anymore. After essentially repeating all of the troubleshooting steps I'd done, the shop was as confounded as I was as to the cause. So we decided it was time to just...

Interesting you mention this. I've actually used chrome brite polishing pads previously, but because the rings've been black for years (and the alternator worked fine) and the problem began IMMEDIATELY after I replaced the clutch cable, it never occurred to me to try polishing again. But I'll...

Sorry for the delay in replying, but our email server's modem died and, for some strange reason, the forum blocked me from posting because I needed to re-verify my email. Comcast just replaced the modem and I was able to login and verify my email which removed the block. Re the rotor rings: I'd...

Got it. I'll try to do that tomorrow. Thanks!

For the record, I did not say I didn't "think getting the stator exact was important". What I said was that I don't think having it slip because of a missing key would result in 0 output from the alternator.

Do you mean running a jumper wire from the battery + to the screw the green wire's connected to on the stator?

If it doesn't rain tomorrow evening, I'll try to check for 12VDC at that green wire. Thanks! The reason I haven't checked the regulator is that it appears to require a bit more work than I'm able to do in the dark and without drawing too much attention from the Karens. The other checks pretty...

Questions = argumentative? Sorry if I inconvenienced you.

Yes, but for some reason, it's not... And therein lies the $64,000 question: What's the faulty component? I think the only thing I haven't done any testing on is the regulator.

Could terrible timing produce 0 output from the alternator?

I get what you're saying, but since the problem (0 output from the alternator) began with the original stator and was unaffected with the installation of the NOS stator....well, it just doesn't follow logically. But I could be wrong.

1972 XS2.

Yes, that's in the service manual.

Was your alternator producing 0 output before resetting the pin in the slot? Again, the stator's held in place by two large screws, so it cannot slip. I reckon that pin is simply there to be sure you don't install the stator upside-down or similar.

Thanks and I can check it tomorrow, but since the NOS stator didn't behave any differently than the original, I don't think it's a key or slippage issue. That said, I took photos of the stator before removal to be sure the new one went on in the exact same position. It did.

That pin's on the rotor shaft, which I haven't removed. So I can't imagine it's slipping. And it'd have to be slipping 100% to produce 0 output, which is what I'm getting. Or, not getting.