New wing owner


Information and questions on GL1000 Goldwings (1975-1979)
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jackal2
Posts: 17
Joined: Fri Jul 15, 2011 8:04 pm
Motorcycle: 1977 GL 1000

New wing owner

Postby jackal2 » Sat Jul 16, 2011 9:28 pm



Hi, just purchased a '77 wing from a neighbor. It isn't running right now. He tried to start it earlier this week and it would only run briefly so he charged the battery, added new gas, and changed the plugs. Now it does not run at all. There is no spark in any cylinder. I know I should find the coil and see if it is receiving voltage when the key is on but it does not look too accessible. The other thing is that before the key is turned to the "on" position the neutral light and other lights come on and you are able to spin the starter over, but if you turn the key all the way to "on" the lights go off and you are not able to spin the starter...Should I start with a new ignition switch? He said that it has always been like that. The next thing is he says that the carbs are off an 1100 and has been that way as long as he owned it. Is there a way to check the carbs out to verify this? Thanks for any help that you might give me...



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jackal2
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Motorcycle: 1977 GL 1000

Re: New wing owner

Postby jackal2 » Sat Jul 16, 2011 9:30 pm

Just to clarify the ignition switch problem, when the key is rotated from "off" towards "on" the neutral light comes on and if you continue to rotate the key all the way to "on" it will turn off...thx

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virgilmobile
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Re: New wing owner

Postby virgilmobile » Sat Jul 16, 2011 11:07 pm

All of a sudden no spark? wiggle that 34 year old kill switch first.
Using 1100 carbs on a 1000 is OK.The 1000 used 1 air cutoff valve,the 1100 uses 4,one on each carb.
A bad air cutoff valve will cause popping when decelerating.
Here's a pix of both sets
Attachments

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jackal2
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Joined: Fri Jul 15, 2011 8:04 pm
Motorcycle: 1977 GL 1000

Re: New wing owner

Postby jackal2 » Sun Jul 17, 2011 6:15 pm

definitely looks like the carbs on the bottom...the tops are smooth...I would like to get spark to see if the carbs need work. Are the points in the cover on the back of the left cylinders by the shifter? I would like to see if it is still points or electronic...thx

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virgilmobile
Posts: 7659
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Location: Denham Springs,La.
Motorcycle: 1988 GL1500 I
Previously owned
78 GL1000
81 GL1100
82 GL1100 I
83 GL1100 I
83 GL1100 standard
84 GL 1200 I

Re: New wing owner

Postby virgilmobile » Mon Jul 18, 2011 3:16 pm

Original equipment is points on the left head.The ignition system does not have a separate fuse.It's wired direct from the ignition switch.It uses a ballast resistor feeding 12 volts to the coils from the KILL switch.

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detdrbuzzard
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Re: New wing owner

Postby detdrbuzzard » Tue Jul 19, 2011 6:46 am

if you look close at the ignition switch farthest to the right is a " p " for park. the tail light should come on and nothing else. bike will not start with the key in this position. welcome to the froum also
'99 ST1100, '93 se
'75 cb750k, '79 cb 750f, '79 cb750 superK
cb 450sc, sunL70
'06 st1300a
.... william

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jackal2
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Motorcycle: 1977 GL 1000

Re: New wing owner

Postby jackal2 » Sat Aug 20, 2011 9:35 pm

Well I had time to do a little more work and here is what I found; It has the Dyna S ignition, there is power through the kill switch, there is power on both sides of the ballast resistor and there is power to the coil. Still no spark. I did check the resistance from boot to boot on the coils and it is about 30k...weird because a few days earlier the previous owner had it so it would fire up, but it wouldn't run long...after he changed the plugs it wouldn't spark at all...don't know what he could have done to it...any help?

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Fred Camper
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Motorcycle: 1977 GL1000, 1976 LTD GL1000

Re: New wing owner

Postby Fred Camper » Sun Aug 21, 2011 4:54 pm

There are resistors in the plug boots, if they are missing then no spark will be seen. To eliminate the resistors, a jumper must be used. Could it be that simple? I suggest you pull the plugs and ensure you have spark before you put them back in. With the plug installed in boot but just laying on the cylinder head, you should see a strong spark during cranking and it will crank faster with the plugs removed.

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jackal2
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Re: New wing owner

Postby jackal2 » Sun Aug 21, 2011 6:32 pm

Not sure what you mean by a jumper on the plug wire..they are all NGK boots and there are NGK DR8ES-L plugs in it that the previous owner installed...cranked it over with all the plugs in the boots and no spark on any of the plugs but there is power to the coil...the coil ohm readings from 1-2 and 3-4 are 26k ohms. The ballast resistor has a piggyback resistor that I am assuming was put on when the Dyna S ignition was installed. Don't know what else to do when there is power to the coils and the coil ohm rating checks....

RexAubrey
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Re: New wing owner

Postby RexAubrey » Sun Aug 21, 2011 8:12 pm

were all the plugs grounded when you tried to see a spark? if they are not you will not see a spark. it is what is called a wasted spark system and plugs 1 and 3 need to be grounded when checking them. plugs 2 and 4 need to be grounded when checking them. if you are checking 1 and 3 is not grounded you will not get a spark. ETC...
Rex
1983 GoldWing Interstate, 1982 GoldWing Aspencade, 1981 Yamaha 550 Maxim, 1979 Yamaha 650 Special

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Fred Camper
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Re: New wing owner

Postby Fred Camper » Mon Aug 22, 2011 8:26 pm

Inside a stock boot, there is a resistor that can be removed by use of a brass screw (a cap for the resistor). If you remove the resistor and do not install a jumper shunt, then no spark will find its way to the plug. Not sure if you NGK boots have them but NGK makes identical boots with the exception of the brand marking.

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jackal2
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Motorcycle: 1977 GL 1000

Re: New wing owner

Postby jackal2 » Sat Aug 27, 2011 8:58 pm

I will check the boots, but seeing that I am getting a resistance reading from boot to boot, I doubt that the resistors are removed leaving an open circuit...What would be the next step?

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Fred Camper
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Re: New wing owner

Postby Fred Camper » Sat Aug 27, 2011 9:27 pm

I would check out those coils. 35 year old coils can fail, particularly if one plug is disconnected as they are a wasted spark system and the plugs must be connected in pairs (1 and 2 on one coil, 3 and 4 on the other) to protect the coil from failure. So perhaps Dyna coils are in order to complement the Dyna S ignition. If you run Dyna coils and the Dyna ignition, then the ballast resistor can be bypassed and full voltage can flow to the spark plugs all the time. Dynatech coils are not inexpensive, so do be sure your coils are bad before you go that route.

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jackal2
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Joined: Fri Jul 15, 2011 8:04 pm
Motorcycle: 1977 GL 1000

Re: New wing owner

Postby jackal2 » Sun Aug 28, 2011 4:30 pm

well I checked out the resistors in the boots and they were ok...started looking at the ignition wiring and I figured there should be voltage going to the ignition but there wasn't...no power where it was spliced into the turn signal relay so I checked out the fuse panel and there was fuse that was open but didn't show that it was blown. switched that out and noticed that my radio would go on now also...might be a short in the fuse panel somewhere, but I now had voltage to the ignition...So I fired it up...ran real slow at first, but when it warmed up it ran real good...I will have to see how it fires up cold the next time. Front brakes are real spongy so I will look into that next...is there a rebuild kit for the calipers? How much is a new fuse panel?




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