GL1200 GW/SEi battery undersize


Information and questions on GL1200 Goldwings (1984-1987)
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Rusty Bike
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Location: New castle, PA
Motorcycle: 86 GL1200 SEi, 78 Yamaha XS750SE, 86 Honda XL125, 4.5 HP belt drive Minibike my dad built, foot clutch!

GL1200 GW/SEi battery undersize

Postby Rusty Bike » Sat Sep 17, 2016 12:27 pm



I have come to the conclusion that Honda gave us undersized battery on our bikes. I have a 6 mo old Excide 260 CCA batery in my SEi. If I crank this engine more that a couple of times, the battery dies. I had it load tested by a real alternator shop here in town. Battery is strong and putting out above rated amperage. I rebuilt the starter and the bike is making 14.4 VDC on the road so no problems with the bike. SO, I went to the Battery Warehouse site and ordered The Big Crank, 340 CCA sealed AGM battery Made in USA. I ordered it at midnight Thursday night. I just received it a few minuets ago. That's like 36 hours! WOW. Next I am going to put a kill switch on at least the head light and maybe all lights. This should be a standard feature. A time delay for the lights would work also, not on until engine is running. The lights should not be on when starting these bikes. The whimpy ass battery can not support the load! Anyone else dealing with this problem, what's your fix?...Rusty



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roadwanderer2
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Motorcycle: 83 GL1100A aspencade, previously owned, 1981 honda GL500i silverwing interstate, 1974 yamaha xs400, 1974 Honda cb450 twin cam, 1983 honda vt30, 1982 honda 700 shadow, 1972 cb750four, and my first bike, a brand new 1982 honda CM400e. and a new to me 1986 GL1200 aspencade SEi
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Re: GL1200 GW/SEi battery undersize

Postby roadwanderer2 » Sat Sep 17, 2016 5:51 pm

i had the same problem with my SEi. the battery was under rated. i went to my local auto parts store and bought this bad boy and haven't had a problem since and that was a year ago.........http://www.oreillyauto.com/site/c/detai ... +batteries

i also got one for my 83 1100 because of all the added lights i put on it.

stuart.

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dingdong
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Re: GL1200 GW/SEi battery undersize

Postby dingdong » Sun Sep 18, 2016 8:16 am

Rusty Bike wrote:Next I am going to put a kill switch on at least the head light and maybe all lights. This should be a standard feature.Rusty


Rusty Bike. This is a standard feature. The headlights are already designed to power off when pressing the starter button. If yours isn't then you have a bad switch.
Tom

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Rusty Bike
Posts: 270
Joined: Sun Feb 28, 2016 1:55 pm
Location: New castle, PA
Motorcycle: 86 GL1200 SEi, 78 Yamaha XS750SE, 86 Honda XL125, 4.5 HP belt drive Minibike my dad built, foot clutch!

Re: GL1200 GW/SEi battery undersize

Postby Rusty Bike » Sun Sep 18, 2016 9:35 am

Thank you DD, I'll check that out. The new battery seems to make a difference in performance which seems weird because the old one tests strong. I guess I should take a look at the ignition coil primary voltage also.

Put a hundred miles on it yesterday before the storms moved in. This bike is running better every time I take it out. Running "Red Line" fuel injector cleaner in it right now. That may be helping.

CrystalPistol
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Motorcycle: 1985 GL1200A
1997 GL1500SE Lehman Trike

Re: GL1200 GW/SEi battery undersize

Postby CrystalPistol » Sun Sep 18, 2016 2:26 pm

There is a mod that can be made to the 1200's starter that will really increase starter performance. It involves disassembly of starter and adding a grounding link of braided copper from brush holder plate to starter housing. Stock, the plate is simply a squeeze fit and it's steel and the housing is aluminum .... corrosion happens.

My guess it's listed among the 1200 tips .... it's a mod I did 15 or more years ago and suddenly found my starter to be much stronger in application. I also suggest new brushes when in there.

The battery size is not a problem. I use Odyssey PC680 batteries now myself ..... but I've gotten several years out of Walmart regular wet cells with no issues.
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SilverDave
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Motorcycle: 1985 GL1200 GoldWing Aspy

Re: GL1200 GW/SEi battery undersize

Postby SilverDave » Sun Sep 18, 2016 11:06 pm

I Agree with CrystalPistol:

The battery " size" is just fine .. I have several times pulled a trailer with lots of running lights, and had all my bike lights on , and " gone shopping " with 7 or 8 stop-startsin a couple of hours.. and it still starts real easy .

If it doesn't start effortlessly... I'd clan up all the grounds ( Especially the braided ground cable ) , test the starter relay and its posts ... and clean and rebirths the starter motor . You will probably find its completely ful of oily carbon dust , after all those years .

The inside-the -starter grounding cable addition will help a bit ... but not as much as overall ground and starter cleanup .

SilverDave




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