Steve Saunders Goldwing Forums - View Single Post - Hunting idle, dead spot off idle

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post #18 of (permalink) Old 04-16-2019, 12:51 PM
Jerry Burns
Member
 
Join Date: Jan 2015
Location: Selma, California
Year: 1993
Make: Honda
Model: 1993 GL 1500
Posts: 347
Garage
The vacuum hose from the left cylinder head does cause the idle to do what you said. Surge from 750 to 1200 rmp. The hose gets hard and will start leaking. If your bike ran good for all those years and just started this you have a vacuum leak. The bike is over 30 years old and rubber goes bad with heat. Sometimes you can trim that hose back a little at the head and get the hose to seal up. Good Luck!
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