ignition coils, maybe


Information and questions on GL1100 Goldwings (1980-1983)
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dwhite
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Motorcycle: 1982 GL1100I interstate

ignition coils, maybe

Postby dwhite » Mon Jun 28, 2010 11:18 pm



I'm new to goldwing. I have just recently purchased a 1982 GL1100I interstate with 35k miles. The gentlman that i bought it off of had taken pretty good care of the ol gal over the years. It has sat in his garage for the past 3 years. It now has new battery,fresh oil and filter, plugs, fuel and filter. When i went to start it, couldn't believe my eye's or ears, she started right up and sat there and idled. After warm up, I took her for a little ride, and after about 30 or 40 minutes it would lose power and miss. I nursed her back home, let cool down and tried again, and the same thing. Out of all the forums, this seems to be the logical place to start. Any other insight for anything would be a big help.

Thanks
Dave



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dingdong
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Re: ignition coils, maybe

Postby dingdong » Tue Jun 29, 2010 8:14 am

One thing I would check is the gas cap. They are vented and it is common for the vent to get clogged up. Next time the problem occurs remove the gas cap and see if it runs normally. Also run some Seafoam thru a tank of gas might clean out the carbs some.
Tom

A well regulated Militia, being necessary to the security of a free State, the right of the people to keep and bear Arms, shall not be infringed.

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WingAdmin
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Re: ignition coils, maybe

Postby WingAdmin » Tue Jun 29, 2010 11:20 am

Also check the dogbone (master) fuse. It can crack invisibly and cause problems when it warms up, then return to normal operation when it cools.

dwhite
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Re: ignition coils, maybe

Postby dwhite » Tue Jun 29, 2010 4:27 pm

Thanks for the comments, will check both. This for forum as been a big help all around.

cbach1981
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Re: ignition coils, maybe

Postby cbach1981 » Tue Jun 29, 2010 7:56 pm

I had this problem at the beginning of the season, and thought it was coil related as well. Mine turned out to be partially plugged screens in the fuel tank. The bike couldn't get enough fuel to fill the floatbowls and it would start to miss and loose power. Was remedied with a quick blast of air through the fuel line, just took it off at the filter, turned lever to "on" and gave a quick blow into the line. Felt resistance at first, then suddenly the pressure was gone and I heard it bubbling in the fuel tank. Might be worth a shot for you.
    You only need two tools in life - wd-40 and duct tape. If it doesn't move and should, use the wd-40. If it shouldn't move and does, use the duct tape!

dwhite
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Re: ignition coils, maybe

Postby dwhite » Thu Jul 01, 2010 7:11 pm

Ok, I have now changed the coils, the dog bone, checked fuel cap,and fuel line, and sync carbs. She definetly runs better , but only till she warm's up, still have loss of power and ticking noise in engine area, and now the idle goes up and down on its own. I'm lost. Any idea's is appreciated.

Thanks Dave

cbach1981
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Re: ignition coils, maybe

Postby cbach1981 » Thu Jul 01, 2010 8:42 pm

Did you blow thru the fuel line into the tank? As I posted earlier, mine was plugged in the screens inside the tank. I though everything was fine with the fuel system because all the lines were clear. The tank can rust inside and eventually that rust can cover those screens on the pickup tube. That's what happened to mine, so blowing thru the line back into the tank cleared the rust away.

As for the ticking, maybe bad exaust gasket? Mine ticks as well and I've traced it back to the exaust gasket. Figured it's not hurting anything as far as I can tell, so I'm not gonna mess with pulling the pipes from the engine to replace them. Hope you get it figured out!
    You only need two tools in life - wd-40 and duct tape. If it doesn't move and should, use the wd-40. If it shouldn't move and does, use the duct tape!

dwhite
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Re: ignition coils, maybe

Postby dwhite » Fri Jul 02, 2010 7:08 am

Yes i did blow through the fuel line from pump into the tank. When first start up, she runs great, wether it's up and down the the highway or just puttin around country roads,and then after 20 or 30 minutes she just runs rough with no power.

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RBGERSON
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Re: ignition coils, maybe

Postby RBGERSON » Sat Jul 03, 2010 7:31 am

You can't really "check " the fuel cap..just run with it lose if that solves your problem soak it in solvent to clean the vents in it. if not that then something is heating up, expanding and killing your engine. Check all ignition connections around the engine..not easy but worth a try you might try new plug wires or run the bike in the garage or at night spray some water on her ..see any arcing??? When she starts doing it pull over and check the plugs any or all black and sooty?? narrows your search to one of more cylinders??? Could be your pulser going out? Check your valve settings..dead cold..after over night sitting idle. Ain't this fun..not!
HAD LOTS OF GOLDWING 75-83
NOW INTO 1500'S..RIDING A 1998 SE

FAIR WINDS,
RB

dwhite
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Re: ignition coils, maybe

Postby dwhite » Sat Jul 03, 2010 9:11 am

I did run the cap loose and with it off, still no difference at wam up temp. I have also checked the valve clearence and i'm ok there to. The battery carries 12.4 volts before start up, and after she's running 15.5. Oh and by the way, thanks again to all who commented, excellent source of info.

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usabiker
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Re: ignition coils, maybe

Postby usabiker » Mon Jul 05, 2010 4:24 am

Is it smoking at all out the tail pipes when its acting up? check compression both hot and cold maybe the rings are going. could also be a head gasket issue. just some thoughts.

Thundercat
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Re: ignition coils, maybe

Postby Thundercat » Fri Jul 09, 2010 11:38 am

First of all I'm new to forum which I might add is an excellent forum for info. About 18 yrs. ago I used to own an 85' V30 magna. It developed same simptoms as was your dealing with what it turned out to be was the CDI box causing the problem run great cold but once it would warm up it would cause intermittent running and die but once it got cold it fire back up and run great till it got hot again. My best friend who is an electrician took out the CDI box after it was hot and tested it out with a magger. He opened the box did some soldering in it put it back together and didnt have problem after ran for years after. Sold it and now have an 83' Interstate since 94'. Hope that helps that's my 2 cents worth.

dwhite
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Re: ignition coils, maybe

Postby dwhite » Sun Jul 11, 2010 6:31 pm

ok, after working on the bike , i have come to find out that the regulator recterfier gets hot, hot enough that you can not touch it. Does anyone know if this is normal and could this cause the rough running when at operating temp.


thanks again, dave

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Re: ignition coils, maybe

Postby WingAdmin » Mon Jul 12, 2010 9:45 am

The regulator/rectifier does get extremely hot during normal operation. This is because the stator generates full output at all times. The regulator allows through the power required to run the motorcycle and charge the battery, and any excess power not required is shunted to ground and dissipated as heat.

dwhite
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Re: ignition coils, maybe

Postby dwhite » Mon Jul 12, 2010 9:06 pm

thanks for the info wingsadmin, can you tell me where i can find info about the electonics end of it, what voltage on which plugs, ohms or resistance ect. ect.

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Re: ignition coils, maybe

Postby WingAdmin » Tue Jul 13, 2010 12:05 pm

dwhite wrote:thanks for the info wingsadmin, can you tell me where i can find info about the electonics end of it, what voltage on which plugs, ohms or resistance ect. ect.


Are you talking about the regulator?

dwhite
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Re: ignition coils, maybe

Postby dwhite » Tue Jul 13, 2010 12:39 pm

anything to do with the electric side of things, i have worked with electric for many years and my issue just act like its electrical. i took the shelter off and have been riding with it off and i can ride 10-15 min longer than with shelter off, thats why i believe it to be electrical, something is heating up to cause this

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WingAdmin
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Re: ignition coils, maybe

Postby WingAdmin » Wed Jul 14, 2010 8:56 am

Well as far as the regulator, you should be seeing the stator input on the three yellow wires, and a constant 13-14 volt output on the red wires. That's where I would start.

The stator input, btw, should be about 48 VAC three-phase (so the same voltage between each pair of the three yellow wires) at 2500 rpm and above.

dwhite
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Re: ignition coils, maybe

Postby dwhite » Wed Jul 14, 2010 4:33 pm

okay, i have 6.7 volts (dc) on each wire from the stator and only 11.6 volts (ac) steady as a pair, does not matter what the rpm's are.

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WingAdmin
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Re: ignition coils, maybe

Postby WingAdmin » Thu Jul 15, 2010 2:27 pm

Oh, that's not good.

With the bike off, disconnect the stator and measure the resistance (ohms) between each of the three pairs of yellow wires, and then from each yellow wire to ground.

dwhite
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Re: ignition coils, maybe

Postby dwhite » Thu Jul 15, 2010 6:46 pm

okay, on the regulator side as a pair, full resistance and each one to ground same thing. Now on the stator side as a pair, no resistance and each one to ground, full resistance

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WingAdmin
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Re: ignition coils, maybe

Postby WingAdmin » Fri Jul 16, 2010 12:12 pm

On the stator side, between each pair you should see around 1-2 ohms (set your meter to the lowest setting). Between each wire and ground, you should see at least 10 KOhm, the higher the better (set your meter to the highest setting).

dwhite
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Re: ignition coils, maybe

Postby dwhite » Fri Jul 16, 2010 3:57 pm

on the stator side i had 1.4, 1.1, and 1.4, and on the regulator side i had 5.4 on all three, double checked the regulator clamp and made sure it had good ground and it did , next, and thanks for all the help

goldtr6c
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Re: ignition coils, maybe

Postby goldtr6c » Sat Jul 17, 2010 5:08 pm

Well I think I know the problem but haven't yet pulled the carbson mine.
Just about the same time you posted your symptoms, mine started doing the same exact thing. I have followed your thread here and done most of the tests and "cures" listed except the altrnator stuff. I just put the multimeter to my new battery and the voltage has been good, no problem. The last thing I did today was blow out the screens in the tank. The problem still persists. Just the flow from gravity should be more than enough on mine. It still starves for fuel. If I make it back to the driveway on cylinders, I can just keep it running and it will start firing on the wayward cylinders again and sound quite good. I was missing something.
Then It hit me. On my 76 Wing I had two cylinders that quit due to no fuel. Turns out the culpret was a small basket shaped screen located under the float needle seat that was clogged withcrap that made it past the filter over the years. You can't buy these seperately without buying the whole float valve assembly. Honda's proud of them. They can be cleaned and reused so long as you don't **** one up as I did.
I will pull minedown and let you know what I find. The only thing left after this is a 5lb brick of C4.

dwhite
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Re: ignition coils, maybe

Postby dwhite » Tue Jul 27, 2010 7:32 am

Time for a update, about time. Even though it's not fixed yet, I now know the problem to fix. VALVES. When she would warmup, the valves are expanding a little to much and would stick on the intake side. I have a light on the other side of the tunnel. Thanks again to all who have commented and helped.




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