Information and questions on GL1100 Goldwings (1980-1983)
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have a 1981 gold wing Gl1100. bike idles and reves up to 2000 rpms but then backfires, reves smoothly up to 3000 rpms then backfires, reves smoothly up to 4000 then backfires. can anyone tell me what causes this? Had carbs done, timing belt, pick up coils, cdi (both). Thanks!
- Posts: 1050
- Joined: Wed Nov 30, 2011 4:17 pm
- Location: Hermansville, Mich
- Motorcycle: 1990 Gold wing Trike
Does it bacfire thru the intake or exhaust? Does it backfire once then run ok? Is this only cold or warm too? Possible vacuum leaks, old lines cracked?If you can fedl around the rubber hoses whild it's running and listen flr an engine change or a different whistle start that is where your leak is.
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Thanks guys! had compression test done. all seems to be okay. it idles without backfire and don't backfire til it gets to 2000 rpms, then reves good up to 3000 rpms and then it "pop" "pop" "pops" reves up to 4000 rpms then "pop" "pop" "pop". will check to see if it thru intake or exhaust and if it does it cold or warm . will also check vacuum leak and lines.
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