1984 GL1200I No Power


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Moorco
Posts: 4
Joined: Mon Aug 03, 2015 12:59 pm
Location: Central, Ohio
Motorcycle: 1984 GL1200I

1984 GL1200I No Power

Postby Moorco » Mon Aug 03, 2015 1:48 pm



Hello Guys, First time posting. Inherited a 1984 GL1200I from long time Goldwing rider. Bike had carbs off of it when he passed on. I am new to bike repair but put it all back together balanced them and it starts great and idles great. When the bike is shifted into gear it has very little power to pull itself. I took it down the road and it will only get up to about 35mph and that's the top speed in 3rd gear, and it takes a good minute to get it up to 35. If I shift up again it starts slowing down. I only had 1 issue when trying to put it back together with a vacuum line that i was not sure of, coming from the carbs diagram looked like it connected to the vacuum line coming down from the front of the bike. Wasn't sure what this line coming down is but connected it to it. Any help with this issue would be greatly appreciated to get a new Wing rider on the road.



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virgilmobile
Posts: 7650
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: 1984 GL1200I No Power

Postby virgilmobile » Mon Aug 03, 2015 2:21 pm

There's lots of info on this site.But first you might repost this in the "tech talk" or gl1200 forum rather than "for sale".
The 1200 should be able to get to 35mph in 1st gear in just a few seconds.You definatly have a problem.That it starts and idles ok is a good sign that there's spark and compression.
About all that's left is fuel flow and air flow.
I will suggest going by the book to check the fuel pump flow.
That's disconnecting it from the carbs and applying power directly to it.This will confirm that the carbs have enough fuel to rev the engine.From there,it's back into the carbs and seals.
Also before you go too far,start the bike from dead cold,let it idle for 8 seconds and shut it down.Lightly tap each header to feel if each one is equally warm.i have seen a wing idle on just 2 cylinders too.Lack of spark.

Moorco
Posts: 4
Joined: Mon Aug 03, 2015 12:59 pm
Location: Central, Ohio
Motorcycle: 1984 GL1200I

Re: 1984 GL1200I No Power

Postby Moorco » Mon Aug 03, 2015 2:59 pm

Thank You, I will check the listed items.

Moorco
Posts: 4
Joined: Mon Aug 03, 2015 12:59 pm
Location: Central, Ohio
Motorcycle: 1984 GL1200I

Re: 1984 GL1200I No Power

Postby Moorco » Mon Aug 03, 2015 5:34 pm

Sorry Guys, I moved it to the correct forum.




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