Difficulty starting


Information and questions on GL1500 Goldwings (1988-2000)
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roadhawg
Posts: 22
Joined: Tue Apr 20, 2010 8:00 pm
Location: Zebulon, NC
Motorcycle: 1993 GL1500A Aspencade

Difficulty starting

Postby roadhawg » Wed Apr 20, 2016 8:22 am



Hey Goldwing Techs, out of the blue my 1993 wing has started giving me fits starting. I went for a short ride last night and stopped and shut it off for a bit. When I tried to start it back up it wouldn't fire at all. I messed with the kill switch, kickstand, anything I could think of. When I tried starting it again it backfired like a shotgun. When it finally started it was weak and pitiful I had to work the throttle ever so gently to finally bring it to life. Now it is also acting sluggish/rough accelerating, but seems fine when running at speed. A few years back the wire from the pulse generator broke at the back of the plug above the cooling fan housing on the right side, and it behaved a little like this, it would sometimes start, sometimes backfire, and when riding the slightest bump would cause it to die. I am going to check this out but I don't think this is the issue; too many dissimilar issues. My first thought was the possibility that one or more of the ignition coils could be bad because of the sluggish/rough acceleration as well as the fact that it seems to start fine when cold. I know that coils, when bad, will do fine until they get hot and then they will cause an engine to run rough and even sometimes die. What do you think? Anyone out there had experience with bad ignition coil?



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bohdan
Posts: 189
Joined: Thu Apr 12, 2012 7:39 am
Location: Venice, Florida
Motorcycle: 1977 GL1000
1977 GL1000
1977 GL1000
1993 GL1500
2013 GL1800
2013 GL 1800 trike
2009 Yamaha

Re: Difficulty starting

Postby bohdan » Mon Apr 25, 2016 7:03 am

Hey Roadhawg. I had the exact same symptoms. I was at a loss. I think my backfire one time was so severe, that it blew a hole in the muffler. I too was at a loss of actions. Ultimately, I checked my auto fill valve and it didn't hold. Replaced that componenet for a mere $160 bucks and it runs like a charm. Don't ask me why replacing that item created a backfire, but it did.

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virgilmobile
Posts: 7649
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: Difficulty starting

Postby virgilmobile » Mon Apr 25, 2016 9:08 am

You need to isolate the problem to either lack of spark or the engine being flooded.
When it fails,pull one plug cap and attach a spare spark plug,crank the engine and verify for spark.

roadhawg
Posts: 22
Joined: Tue Apr 20, 2010 8:00 pm
Location: Zebulon, NC
Motorcycle: 1993 GL1500A Aspencade

Re: Difficulty starting

Postby roadhawg » Mon Apr 25, 2016 8:38 pm

Thanks for the feedback, I did check the fire and it seems to come and go. I haven't checked the fuel yet but I hope to get back on it soon. It has been a busy couple of weeks.




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