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JBurf
Member
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Posted: Thu Aug 28th, 2008 01:40 am | 1st Post |
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Praise to the answer guru's once again... I have a dilemma in search of the answer.
GL1200 was charging at 14.5 or 14.6V at speed... then I noticed she was at 12.5 or so... Oh oh.... checked battery and was very low on fluid. Replenished with water... is charging just the same. Did the stator test (continuity to each yellow, none to ground) = OK. Assumed it was regulator/rectifier. Bought a new one. Same low V charging.
Questions are:a) what component gets screwed up with 1/2 full battery cells? and b)is this my problem?
Many thanks
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JBurf
'84 Aspencade...Finally got the bike of my dreams!
Past rides:
1978 Kawasaki KZ400
1972 Honda CB350
1968 Honda CD90
4HP minibike
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mikef
Moderator
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Posted: Thu Aug 28th, 2008 01:43 am | 2nd Post |
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You may have a battery issue. It doesn't take long to kill those little suckers when you run them low on water.......
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Mike
93 Aspy
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johnmac
Very Active Member
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Posted: Thu Aug 28th, 2008 03:15 am | 3rd Post |
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If your battery checks out OK, check the AC voltage coming out of the 3 Yellow wires. Its possible to have a shorted phase in the stator. It would read as having continuity. You should get 30 volts or more of AC voltage across all pair combinations when the engine is reved up.
John
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John
1996 GL1500 SE
Past bikes
1985 Aspencade 1200
1978 Honda GL 1000
1974 Honda 350 Four
1974 Yamaha TY 250 Trials
1973 Yamaha 360 RT3
1971 Honda SL 100
1968 Honda Trail 50
3 1/2 HP mini bike
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chris in va
Very Active Member
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Posted: Thu Aug 28th, 2008 04:35 am | 4th Post |
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Mine does the same thing, with a new battery and healthy stator test (17-65v). Only thing I can think of is the R/R, but you said it's new.
I had a similar issue on my 99VFR. There was a writeup on how to run extra ground wires off the negative battery terminal, and also a positive going...somewhere, can't remember. I did all that and it really solidified voltage at idle, around 14v. Bad connections really suck the voltage down.
Might as well take the battery in to get it tested. Battery mart can test MC versions.
Last edited on Thu Aug 28th, 2008 04:36 am by chris in va
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Whiskerfish
Senior Guru
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Posted: Thu Aug 28th, 2008 04:37 am | 5th Post |
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| Check your ground cable where it hooks to the engine. Just a bit of corrosion there can drop your voltage enought to screw things up good.
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Whiskerfish
1978/9 Nekid Streetfighter 50k miles
1978 Dressed Daily Rider w/150k plus miles
1976 Windjammer dressed SOLD
1975 Nekid Recently Acquired (next street bike project)
1975 Nekid 22k miles running, Currently use as engine test stand
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JBurf
Member
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Posted: Thu Aug 28th, 2008 01:00 pm | 6th Post |
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Will have battery checked at local bike shop and will do the hot and ground connections tonight. If no diff, I'll check the AC V.
Thanks gentlemen.
____________________
JBurf
'84 Aspencade...Finally got the bike of my dreams!
Past rides:
1978 Kawasaki KZ400
1972 Honda CB350
1968 Honda CD90
4HP minibike
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redneck
Senior Member
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Posted: Thu Aug 28th, 2008 03:39 pm | 7th Post |
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| whilst your checking around with the wires, make sure the stator plug connecter at the left side of the battery is in good shape and no signs of burnt wires, also check out the plug at the top of the solenoid to see if its not fried,also check the wires around the rectifier especialy the yellow wires
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irlp node # 5386....MB7IAG
GØSVH........... call me sometime
1986 GL1200 INTERSTATE (adopted )....1986 GL1200 ASPENCADE
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JBurf
Member
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Posted: Thu Aug 28th, 2008 04:05 pm | 8th Post |
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Good advice... already had done the job of soldering the yellows bypassing the rec/reg plug, and the other connector down near battery you speak of, so they are good to go. Cleaned and greased the plug for the rest of the wires out of the rec/reg too so I don't suspect it either. All wires are still colored properly, and flexible (i.e. not fried) so it looks as though the stator is OK. I don't know the symptoms of a failing battery other than it can't be charged... so so far, the battery makes the most sence to me, and I will ensure that all other grounds and main power connections have good integrity as well.
I tell a LOT of people about this forum and how exceptional it is. Well done to everyone who contributes!
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JBurf
'84 Aspencade...Finally got the bike of my dreams!
Past rides:
1978 Kawasaki KZ400
1972 Honda CB350
1968 Honda CD90
4HP minibike
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JBurf
Member
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Posted: Sun Aug 31st, 2008 03:42 am | 9th Post |
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Well, I found the problem. Battery tested bad, replaced, still same problem ... low V. Today re-did stator test but checked for AC V output from stator while not plugged into anything... one phase gives 1.3v, the other two are OK (40-65 or so depending on rpm). Conclusion: time to pull engine and replace stator.
Need advice: Who makes the best replacement or is there a permanent fix made by anyone? ..Honda or aftermarket product (Electrosport or RM or some other)
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JBurf
'84 Aspencade...Finally got the bike of my dreams!
Past rides:
1978 Kawasaki KZ400
1972 Honda CB350
1968 Honda CD90
4HP minibike
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