79 gl1000 engine revs itself up to 3000 rpm and rough idle


Information and questions on GL1000 Goldwings (1975-1979)
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arcross
Posts: 9
Joined: Tue Sep 09, 2014 2:07 pm
Location: Vancouver, British Columbia, Canada
Motorcycle: 1979 gl1100

79 gl1000 engine revs itself up to 3000 rpm and rough idle

Postby arcross » Wed Sep 24, 2014 7:18 pm



Hey hope someone can help me out I recently got my 79 gl1000 and notice that periodically when stop at light or couple times when cruising along engine gets stuck at 3000 rpm drops back down if I wait it out or as soon as I hit the shifter what could be causing this the guy I got it from told me about rough idle said the carbs need to be balanced which I'm planning to do soon as I get a manometer or make one could it be the carbs causing it to rev up aswell thanks in advance for any thoughts or info you can share with me



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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: 79 gl1000 engine revs itself up to 3000 rpm and rough id

Postby virgilmobile » Wed Sep 24, 2014 10:26 pm

Check for sticking slides, vacuum leaks at the head, throttle return spring not set right(not closing the throttle plates.
Its the spring at the back center of the carb...held by a 6mm bolt.


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