Information and questions on GL1200 Goldwings (1984-1987)
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I need some help here. I got a 84gl1200 that I have had for a few years. But lately its been acting really weird. I just changed the air filter. Did a tune up and changed the fuel filter also rebuilt the starter. Also swoped out the factory radio for an after market one. But my issue is one day the bike runs perfect. The next it won't want to run at all. Wont idle. Back fires through the carbs and out the pipes. Has no power when it does this. Idk what the heck is going on!! It dont do it all the time. On days when it seems to run perfect ill occcasionly get a small pop that sounds like its from the carbs. But dont seem to affect running. Also it gets horrible fuel milage. Please help!!!
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- Joined: Fri Oct 03, 2008 4:16 pm
- Location: Strongsville, OH
- Motorcycle: 2000 GL1500 SE
1982 GL1100A Aspencade (sold)
1989 PC800 (wife's!)
1998 XV250 Virago (sold)
2007 Aspen Sentry Trailer
Check your dogbone (master) fuse. Don't just look at it, actually remove it and check it. Cracks can develop in it, causing the bike to run just off the battery, and not charge from the stator. When voltage is low, spark is weak, and this can cause backfiring and other problems.
The battery never dies. But I did look for a dog bone fuse by the battery and it seems someone already removed and by passed it. Dont seem to see a fuse there any place. Some days runs good others runs horrible. Also fuel milage is really low.
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- Joined: Tue Oct 01, 2013 10:04 pm
- Location: Cedar Rapids, Ia
- Motorcycle: 1984 GL1200 Aspencade
1989 GL1500 Aspencade
Assuming you haven't already gotten this fixed. Also assuming you don't have a voltmeter on the bike, just a light. On the days that it is running poorly, what is your battery voltage while it is running. If it is 12.6 or lower you have a charging system problem. (rough numbers) If fuse has been bypassed, then possibly the plug to the stator, or regulator, or the plug to the regulator. If voltage looks good, then maybe an intermittent problem in one or both of the coils.
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