GL1000 Cold front manifold runners???


Information and questions on GL1000 Goldwings (1975-1979)
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Reedcutter
Posts: 32
Joined: Sat Jun 22, 2013 4:42 am
Location: Derby, England, United Kingdom
Motorcycle: 1977 GL1000

GL1000 Cold front manifold runners???

Postby Reedcutter » Sat Jul 06, 2013 12:27 pm



Hi all. Has anyone ever had the manifold to carb, runners for cylinders 1&2 go ice cold? It's running rough . I've had all plugs out and turned it over on starter. It's gushing fuel out the plug holes on those two cylinders. I've taken carbs off today and checked float valves and they are all fine. I'm stumped!



dudeboy
Posts: 13
Joined: Tue Jun 18, 2013 9:51 am
Location: Orlando, Florida
Motorcycle: 1984 goldwing interstate wineberry

Re: GL1000 Cold front manifold runners???

Postby dudeboy » Sun Jul 07, 2013 1:36 am

Is it running smoothly at idle? that could be from a rush of air to the carbs. check the screen filters at the intake to the tubes. with airplanes it is called carb icing.

Reedcutter
Posts: 32
Joined: Sat Jun 22, 2013 4:42 am
Location: Derby, England, United Kingdom
Motorcycle: 1977 GL1000

Re: GL1000 Cold front manifold runners???

Postby Reedcutter » Sun Jul 07, 2013 2:01 am

I've just looked in the plenum to check screens and a lot of fuel pooling in bottom of it during running. Not running smooth at all. I can get it to idle at about 2500 rpm but seems to be trying to pull up and stop now and again. Got grey/black smoke puffing out the exhaust. Choking the neighbours lol. They were laughing about it so not being a nuisance yet.

Reedcutter
Posts: 32
Joined: Sat Jun 22, 2013 4:42 am
Location: Derby, England, United Kingdom
Motorcycle: 1977 GL1000

Re: GL1000 Cold front manifold runners???

Postby Reedcutter » Sun Jul 07, 2013 7:44 am

Well I pulled the carbs and have set All the floats. Just balanced carbs and running sweetly. Going out to enjoy this lovely sunshine we are having in Scotland at the mo. thanks for your idea as it steered me in the direction of looking in the plenum. Safe riding .kev

Reedcutter
Posts: 32
Joined: Sat Jun 22, 2013 4:42 am
Location: Derby, England, United Kingdom
Motorcycle: 1977 GL1000

Re: GL1000 Cold front manifold runners???

Postby Reedcutter » Sun Jul 07, 2013 8:27 am

Just adding that I have done an oil and filter change also due to the amount of petrol going in to the crankcase.

dudeboy
Posts: 13
Joined: Tue Jun 18, 2013 9:51 am
Location: Orlando, Florida
Motorcycle: 1984 goldwing interstate wineberry

Re: GL1000 Cold front manifold runners???

Postby dudeboy » Sun Jul 07, 2013 9:24 am

Now see how you are! your out riding while my wing is still apart. Good luck and safe riding. :P

Reedcutter
Posts: 32
Joined: Sat Jun 22, 2013 4:42 am
Location: Derby, England, United Kingdom
Motorcycle: 1977 GL1000

Re: GL1000 Cold front manifold runners???

Postby Reedcutter » Sun Jul 07, 2013 11:33 am

Problem well and truly solved! Thanks. I did notice during oil change that there was a slight glitter to it which prob means some damage has been done in the engine. Il pull the engine out in winter and overhaul if poss. But for now shel do.




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