Very High Idle


Information and questions on GL1000 Goldwings (1975-1979)
  • Sponsored Links
Post Reply
User avatar
TechSpeaker
Posts: 18
Joined: Fri Dec 29, 2017 12:18 pm
Location: Stephenville TX
Motorcycle: 1978 GL1000

Very High Idle

Post by TechSpeaker » Thu Jun 13, 2019 11:07 pm



Hey guys, A couple weeks ago I got my '78 goldwing running. It had an idle of around 3k initially, which I figured I could fix later and not be too worried about. However, after hooking up the throttle cables and messing with some stuff (the idle adjustment screw seems to be doing nothing) my idle is now at about 6k. Next thing I'm going to do is a carb sync. Any other suggestions?



User avatar
kwild
Posts: 108
Joined: Wed Oct 10, 2012 10:44 am
Location: Anaheim Calif.
Motorcycle: 84 Standard
85 Aspencade

Re: Very High Idle

Post by kwild » Fri Jun 14, 2019 6:53 pm

Check the simple stuff first, possible the fuel filter is hitting the linkage and keeping it from retracting to idle position????
84 Standard
85 Aspencade

If God didn't want us to eat animals, why did he make them out of meat?

User avatar
ekvh
Posts: 390
Joined: Thu Apr 29, 2010 9:52 am
Location: Grand Forks, ND
Motorcycle: 1977 gl1000

Re: Very High Idle

Post by ekvh » Sun Jun 16, 2019 11:03 am

Cables can bind in the sheaths. Try starting it and removing or loosing the cables from the bellcrank at the back of carbs. If you can get the idle down that way, you found an issue.

Did you bench sync the carbs. This can be done with carbs on the bike. Just remove the elbows. They’ll come off easier if hot. I bench sync with throttle plates as close to fully closed as I can. Try and show half of the hole in the throat of the carb.

User avatar
TechSpeaker
Posts: 18
Joined: Fri Dec 29, 2017 12:18 pm
Location: Stephenville TX
Motorcycle: 1978 GL1000

Re: Very High Idle

Post by TechSpeaker » Sun Jun 16, 2019 2:46 pm

ekvh wrote:
Sun Jun 16, 2019 11:03 am
Cables can bind in the sheaths. Try starting it and removing or loosing the cables from the bellcrank at the back of carbs. If you can get the idle down that way, you found an issue.

Did you bench sync the carbs. This can be done with carbs on the bike. Just remove the elbows. They’ll come off easier if hot. I bench sync with throttle plates as close to fully closed as I can. Try and show half of the hole in the throat of the carb.
I'm not sure what bench syncing is, I'm going to get a sync kit and with the vacuum testing method where you screw the vacuum tubes into the ports on the elbows. It can't be the cables because it's had this problem since before I installed them a couple days ago.



Post Reply