spark ignitors


Information and questions on GL1100 Goldwings (1980-1983)
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squirrel
Posts: 346
Joined: Thu Jan 31, 2013 10:19 am
Location: portsmouth uk
Motorcycle: 1982 gl1100c (interstate)

spark ignitors

Postby squirrel » Sat Mar 09, 2013 1:46 pm



hi all. would a failing/failed spark ignitor be a possible cause of the engine being difficult to start (sluggish ) when warm/hot. starts great from cold starter motor good/battery+all connections good solonoid good
thanks



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virgilmobile
Posts: 7663
Joined: Sun Sep 19, 2010 5:39 pm
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: spark ignitors

Postby virgilmobile » Sat Mar 09, 2013 4:52 pm

I'll believe anything....but....
Pay attention to the cranking speed of the starter between cold and hot.
If it's much slower when hot,the starter may be dragging.
This will draw a excessive amount of power from the battery and lower the voltage.
A significant drop will lead to a poor spark and difficult starting.
If it does crank slow,remove and service the starter.Clean,lube and ensure the brush mounting plate has a really clean mechanical contact with the housing.Remove any paint on the casting and mounting ears that could be corroded.Get the best electrical connections possible.
While your mucking about that area,look for corrosion in the 4 wire pulse plug and the 3 yellow stator plug.there to the left of the battery.
I've had many gl's and never had a bad ignition module.A few cracked coils tho.

tunaboy
Posts: 144
Joined: Sun Aug 05, 2012 8:46 pm
Location: Milwaukee, Wisconsin
Motorcycle: 1980GL1100 NICE!

Re: spark ignitors

Postby tunaboy » Sat Mar 09, 2013 5:26 pm

My 1100 did not have spark on one side. Saw little drops of black plastic on the garage floor. I was looking on eBay and someone mentioned the plastic drops on the floor. Looked around the internet and found this site. I think I paid about $55 for a good used set and was SO happy to get my bike back after about 3 years. I still remember what great buzz it was to be riding again.

Tuna

User avatar
virgilmobile
Posts: 7663
Joined: Sun Sep 19, 2010 5:39 pm
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: spark ignitors

Postby virgilmobile » Sat Mar 09, 2013 5:50 pm

Well used modules can cook themselves but it's rare that they fail.when they do quit,they usually quit completely.
My 80 cooked the black 'tar'. I just picked out as much as I could and silicon the case back full.There still running.
The factory stuff just sealed the electronic from moisture and vibration.It has no effect on heat transfer.




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