Rough Running 1983 Interstate


Information and questions on GL1100 Goldwings (1980-1983)
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colemadad
Posts: 92
Joined: Tue Dec 08, 2009 7:07 pm
Location: Moncton, NB
Motorcycle: 1983 GL1100I Interstate

Rough Running 1983 Interstate

Postby colemadad » Wed Aug 17, 2011 4:12 pm



My engine recently started developing less power and the tach jumps up and down (200 RPM either way) at idle and somewhat less a higher speeds. I pulled the plug wires individually while the engine was running - no apparent effect when I pulled the #2 cylinder lead but the engine nearly stalled when any of the other were pulled. Any ideas other than a coil issue?



bfvc702
Posts: 20
Joined: Wed Sep 15, 2010 2:16 pm
Location: Bloomfield, NM
Motorcycle: 1983 GL 1100

Re: Rough Running 1983 Interstate

Postby bfvc702 » Sun Aug 21, 2011 6:28 pm

I have the same problem, but with # 3. There is an older thread from June or July started by some one with #4 issue. Lots of discussion. I'm addressing some other issues first, but I'm thinking sticking CV slide.

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WingAdmin
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Re: Rough Running 1983 Interstate

Postby WingAdmin » Wed Aug 24, 2011 2:05 pm

colemadad wrote:My engine recently started developing less power and the tach jumps up and down (200 RPM either way) at idle and somewhat less a higher speeds. I pulled the plug wires individually while the engine was running - no apparent effect when I pulled the #2 cylinder lead but the engine nearly stalled when any of the other were pulled. Any ideas other than a coil issue?


Keep in mind that your engine shares coils:

Goldwing Coil Wiring
Goldwing Coil Wiring


So when you pull the lead on #2, you are also killing cylinder #1. The fact that any others being pulled causes it to nearly stall rules out the problem being on the 3/4 circuit. The problem is with either cylinder 1 or 2.

Are you sure that pulling the #1 lead doesn't cause the engine to stumble like it does when you pull #2?


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